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ProtoThrottle
MANUALUpdated 6/18
www.protothrottle.com
IOWA SCALED ENGINEERING – ELECTRONICS MADE EASY!
Thank you for purchasing the ProtoThrottle.
Our goal was to design and develop a wireless throttle that provides the diesel modeler with the most realistic experience operating their model locomotives.
The ProtoThrottle mimics a standard EMD control stand including full detent throttle and reverser handles, a spring-loaded horn handle, a push-on/push-off bell button, and fully programmable front and rear head- lights with a setting for ditch lights. In addition, the ProtoThrottle comes with a robust faceplate machined from aluminum, including prototype bezels, and anodized to give the look and feel of a real control stand.
The ProtoThrottle comes with our commitment to your satisfaction. We warranty the throttle from manufacturing defects for one year, and if you should have any questions or issues with the ProtoThrottle, please contact us.
Scott Thornton Michael Petersen Nathan Holmes
www.protothrottle.com
Table of Contents
ProtoThrottle Controls & Battery Install 4
Quick Start Guide 5
Main Screen 6
Engine Menu 7
Tonnage Menu 8
Load / Save Configuration Menus 9
Set Locomotive Menu 10
Force Function Menu 11
Configuration Function Menu 12
Notch Configuration Menu 14
Options 15
Threshold Calibration Menu 17
Communication Configuration Menu 18
Preferences Menu 19
Diagnostics Menu 21
Menu Map 23
Electronics Schematic 24
Licensing / Support 25
Open Source Development 26
Notes 27
Menu button
Auxiliary button
Status light
Select button
Bell button
Brake handle(Note: to apply the brake
move the handle to the right; all the way to the right optionally applies the emergency brake)
Rear lights switch
ProtoThrottle Controls & Battery Install
www.protothrottle.com
Up button
LCD screen
Horn handle
Down button
Throttle handle
Reverser handle(Note: centered position allows no directional movement; to the right is forward; to the left is reverse. You can remember the prototypical directions by referencing the lights below. e.g.: “front” is forward, “rear” is reverse. The directions can be reversed for, e.g. consists, see page 16 under Reverser Swap.)
Front lights switch
Lanyard attachment
The ProtoThrottle is powered by 2 AA batteries (not included). The batteries can be alkaline or rechargeable NiMH.
To access the battery holder, unscrew the 4 phillips head screws on the corners of the throttle’s faceplate; remove the box; IMPORTANT: when removing the batteries from the holder, use one hand to hold both sides of the holder to prevent it from bending away from the printed circuit board; insert batteries and reattach the box. Do not over tighten the screws.
To conserve battery life: make sure the throttle handle is in “idle” position and the reverser handle is in “centered” position when not in use. This will cause the throttle to go to sleep after 5 minutes.
5
Quick Start Guide
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The ProtoThrottle will work with any scale and with sound- or non-sound decoders (though using sound enhances the control stand experience signifi-cantly). Any DCC decoder compatible with the NMRA standards will work with the ProtoThrottle because it uses standard DCC commands and functions via your command station.. The ProtoThrottle is not a DCC system and will not replace the system you use.
Check the Iowa Scaled Engineering website for the most current list of supported DCC command stations: www.iascaled.com
1. Configure your ProtoThrottle receiver using the instructions provided with the receiver.
2. Make sure the base address of the ProtoThrottle matches that of the receiver. (See page 18.)
3. If using multiple ProtoThrottles, set each throttle to a unique ID. (See page 18.)
Using your DCC system, set acceleration momentum (CV3) mid-range to moderately high so that the ProtoThrottle will need to “notch up” to get the train moving.
Set deceleration momentum (CV4) high or maximum. This will allow the train to “coast” when the throttle is in the idle position requiring the use of the brake to slow or stop the train.
Input the locomotive number into the ProtoThrottle:
NOTE: the ProtoThrottle function settings are set to standard DCC function numbers by default. If you need to change any function number, the steps are explained below:
NOTE: if the ProtoThrottle is in ”sleep” mode the LCD screen will
be dark, click any of the LCD buttons to wake the throttle.
To check or set the horn, bell, and brake function numbers:
Enjoy operating your locomotive!
1
3
2
4
5
SET
�- LOCO
CONFIG
�- FUNC
0003
HORN
F02
4003
HORN
F07
4003 ^
4795 ^
SAVED!
1. Click the Menu button 5 times
1. Click the Menu button 7 times
Please read the entire manual to familiarize yourself with all the features of the ProtoThrottle. See our website for more specific instructions on programming lights and our future tonnage feature.
In addition, our website has detailed operational scenarios developed by professional locomotive engineer, Tim Garland. If you are not familiar with prototype operation from a engineer’s perspective, Tim’s scenarios will give you insight on how to operate more realistically using the ProtoThrottle.
2. Click the Select button once
2. Click the Select button once
3. Use the Up and Down buttons tochange numbers
NOTE: see page 10 for how to set a short (primary) address.
3. Click the Up or Down button to change the function number
4. Use the Menu button to move cursor right
SAVED!5. Click the Select button to save all changes
BRAKE
F10
4. Click Menu button to toggle through the other function choices. Repeat step 3 to change additional function numbers.
5. After number is input, click Select button to save
6
Main Screen
ELEMENT DESCRIPTION
0250
12:00�
�
�
Locomotive Address. Long (extended) addresses are displayed directly (e.g. 0250 0000 9999). Short (primary) addresses are displayed with an ‘s’ prefix (e.g. s003 s000 s127).
In certain situations the locomotive address may be replaced by an alert message:
EMRG Emergency stop is active! Note: move the brake handle all the way left to deactivate. REV! Reverser was moved with the throttle not in idle
The ProtoThrottle acts as a secondary display for Iowa Scaled Engineering’s wireless fast clocks www.iascaled.com/store/MRB-FCM or the fast time provided by the NCE Cab Bus.
� 12-hour mode AM indicator� � 12-hour mode PM indicator
No AM or PM indicator when in 24-hour mode.
Battery Status� Batteries good � Batteries low � Replace batteries
Up/Down Button Status. On the main screen, the Up and Down buttons can be assigned to functions. The on/off status of those assigned functions are displayed on the LCD screen.
� Function off� � Function on
Note: pressing and holding the Menu button (upper left LCD button) momentarily will return you to the main screen from any of the main menus.
� 0250 �
12:00��
www.protothrottle.com
LCD Screen
Advance to Engine Menu Up
Toggle backlight on / off Down
NOTE: these buttons can be assigned a function using the Configure Function menu
7
Engine Menu
DESCRIPTION
The behavior of the Engine menu depends on the configuration of the ENG ON and ENG STOP settings in the Configure Function menu. For DCC decoders that take a single function on/off to turn the prime mover on/off (such as ESU Loksound or TCS WOWSound decoders), configure ENG ON to that function number and set ENG STOP to off (F--). The Engine menu will then change between OFF and ON when pressing the Up and Down buttons.
If a decoder is edge triggered instead (requires a function on/off transition) to turn the prime mover on and off (such as Soundtraxx Tsunami2), set both ENG ON and ENG STOP to the appropriate function numbers. In this case, the Engine menu will display STARTING and STOPPING be-tween the ON and OFF settings as the assigned functions are sent to the locomotive decoder.
If the throttle is not in idle when attempting to turn off the prime mover, a warning will be displayed and the ENG STOP function will not be sent. Move the throttle back to idle to continue.
Example #1, F8 for ESU Loksound or F12 for TCS WOWSound:ENG ON = F08 ENG ON = F12ENG STOP = F-- ENG STOP = F--
Example #2, F5 (on, RPM+) and F6 (off, RPM-) for Soundtraxx Tsunami 2:ENG ON = F05ENG STOP = F06
LCD Screen
Advance to Tonnage Menu Start or turn on prime mover
Return to Main Screen Stop or turn off prime mover
ENGINE
OFF
ENGINE
OFF
ENGINE
ON
ENGINE
OFF
ENGINE
STARTING
ENGINE
ON
ENGINE
STOPPING
ENGINE
OFF
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ENGINE
NOT IDLE
8
Tonnage Menu
LCD Screen
Advance to Load Configuration Menu Increase tonnage value
Return to Main Screen Decrease tonnage value
LIGHT
ENGINE
LOW
WEIGHT
MEDIUM
WEIGHT
HEAVY
WEIGHT
�
�
�
�
�
�
ÿ
ÿ
www.protothrottle.com
Note: the tonnage feature is a future release. Watch our website for updates.
9
Load / Save Configuration Menus
LCD Screen
LOAD CNF: Advance to SAVE CNFSAVE CNF: Advance to Set
Locomotive Menu
Increase configuration number
Load selected configuration (and return to Main Screen) or
Save current configuration(and return to Main Screen)
Decrease configuration number
LOAD CNF
01: 0250
SAVE CNF
01: 0250
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Load / Save Configuration Sub-Menu
01: Configuration Number. Up to 20 distinct configurations (locomotive address, function mappings, throttle notch settings, options) can be stored in the ProtoThrottle and loaded quickly using this menu.0250 Locomotive Address. This is the locomotive address associated with the selected configuration number.
Save Configuration screen saves the current loaded configuration (with any changes you’ve made) into whatever configuration slot is on the screen. In order to copy an established configuration, you must load it into the throttle first before “saving” it to another slot.
Both the Load Configuration and Save Configuration functions will ask you to confirm before executing by pressing the Down button. To cancel, click the Menu button.
LOAD CNF
01: 0250
LOAD CNF
01: 0250
CURRENT
CONFIG
CONFIGS
1-20
SAVE CNF
01: 0250
ELEMENT DESCRIPTION
SAVE CNF
01: 0250
CONFIRM
LOAD? -~
CONFIRM
SAVE? -~Load configuration
Save configuration
10
Set Locomotive Menu
Set Locomotive Sub-Menu
ELEMENT DESCRIPTION
0250
^
Locomotive Address.
Digit Selector.
LCD Screen
Move Digit Selector to the next digit Increase selected digit.
Save locomotive address and return to Set Locomotive Menu
Decrease selected digit.
NOTE: To set a short (primary) address, press the decrease button once more when the first digit is zero. You will see an “s” which indicates “short”. Move the digit selector to enter the remaining numbers. For example, a single digit address would be entered “s003”, a two digit address “s025”, etc.
LCD Screen
Advance to Force Function Menu None
Enter Set Locomotive Sub-Menu None
SET
�- LOCO
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0250
^
11
Force Function Menu
Force Function Sub-Menu
ELEMENT DESCRIPTION
F00
---
Function Number. Available range from function 0 to function 28.
Function Setting.--- Function can be controlled by a ProtoThrottle button or lever ON Function forced on, regardless of any other button or controlOFF Function forced off, regardless of any other button or control
LCD Screen
Cycle through Function Numbers Cycle through Function Settings
Save function settings and return to Force Function Menu
Cycle through Function Settings
LCD Screen
Advance to Configure Function Menu None
Enter Force Function Sub-Menu None
FORCE
�- FUNC
www.protothrottle.com
F00 ---
NOTE: The Force Function menu allows any of the 29 standard DCC functions to be turned ON or OFF, regardless of any other ProtoThrottle lever or button. These can be used to test functions or control additional features of the decoder such as auxiliary, class, or lesser used lights.
12
Configure Function Menu
Configure Function Sub-Menu
ELEMENT DESCRIPTION
HORN
F00
Control Name. The name of the ProtoThrottle button or handle to which a function can be assigned.
HORN Horn leverBELL Bell buttonBRAKE Brake lever, when brake is activatedBRK OFF Brake lever, when in the full left position AUX Aux buttonENG ON Prime mover ON/start function (see Engine menu for details)ENG STOP Prime mover stop function (see Engine menu for details)THR UNLK Function which, when active due to another control, allows the throttle to send speed commands when the reverser is in centered position. (e.g. Loksound Drive Hold)REV SWAP Function which, when active due to another control, flips the direction of the reverserF.HEAD Front headlight; active in the Bright and Ditch Lights settingsF.DITCH Front ditch lights; active in the Ditch Lights settingF.DIM #1 Front dim headlight function #1; active in the Dim settingF.DIM #2 Front dim headlight function #2; active in the Dim settingR.HEAD Rear headlight; active in the Bright and Ditch Lights settingsR.DITCH Rear ditch lights; active in the Ditch Lights settingR.DIM #1 Rear dim headlight function #1; active in the Dim settingR.DIM #2 Rear dim headlight function #2; active in the Dim settingUP BTN Main screen Up buttonDOWN BTN Main screen Down button
Function Number. The function to be activated when the associated ProtoThrottle button is pressed or control is moved. Available settings are none (F--) and functions 0 (F00) to 28 (F28).
Continued on next page
LCD Screen
Advance to Notch Configuration Menu Up
Enter Configure Function Sub-Menu Down
CONFIG
�- FUNC
HORN
F02
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13
LCD Screen
Cycle through Control Names Increase Function Number
Save function settings and return to Configure Function Menu
Decrease Function Number. Pressing this button when the Function Number equals zero turns the function off – no function will be activated when the control is operated.
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Configure Function Sub-Menu
UP BTN
F00 MOM
Continued from previous page
MOM Momentary / Latching Function. Only appears for the Up and Down button assignments.
MOM Momentary – the function is only active while the button is pressedLAT Latching – the function toggles on and off with each press of the
button
14
Notch Configuration Menu
Notch Configuration Sub-Menu
ELEMENT DESCRIPTION
#
102
Notch Number.
Speed Step. The speed step to send when the throttle is in the selected Notch Number. Range from 1 to 126 (128 speed step mode only). Idle is always speed step zero.
LCD Screen
Advance to Options Menu None
Enter Notch Configuration Sub-Menu None
NOTCH
�- CFG
NOTCH #
102
LCD Screen
Cycle through Notch Numbers Increase Speed Step
Save notch settings and return to Notch Configuration Menu
Decrease Speed Step
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15
Options Menu
Options Sub-Menu
ELEMENT DESCRIPTION
Variable Brake. When set to ON, the brake effect will be proportional to the brake handle position. It is recommended to disable the emergency brake when variable braking is enabled. When set to OFF, the brake will be a simple on/off function.
Control status: � PULSE braking� STEP braking (works with TCS WOWSound function)
Pulse braking. The brake function will be pulsed at a duty cycle cor-responding to the brake handle position, simulating varying amounts of braking force. Step braking. This feature is for use with TCS WOWSound decoders only. As the brake handle is moved to the right, a greater percentage of the brake is applied.
NOTE: the only way to disengage the brake is to fully release the brake handle completely to the left. Also, the emergency brake feature must be disabled for step braking to work correctly. Continued on next page
LCD Screen
Advance to Threshold Calibration Menu None
Enter Options Sub-Menu None
OPTIONS
�-
VAR BRK
ON
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VAR BRK
OFF
BRK TYPE
PULSE
Brake released
To disengage brake, handle must befully released to the left.
20%0%
40%60%
80%100%
Brake fully applied
16
LCD Screen
Cycle through Options Increase or set option value
Save setting and return to Options Menu
Decrease or set option value
Options Sub-Menu
Continued from previous page
ELEMENT DESCRIPTION
Set pulse rate value (0.2 – 1.0 second)
This sets the rate at which brake commands are sent during pulse braking. A smaller value results in smoother braking but can result in a less responsive DCC system due to more commands being sent on the throttle bus.
E-Stop on Brake Handle. When set to ON, the brake handle can set emergency stop for the selected locomotive when moved completely to the right. When set to OFF, the brake handle will not cause an emergency stop to be set. Reverser Swap. When set to ON, the reverser directions are swapped. This can be used to correct for a locomotive whose direction is set incorrectly or when changing the leading end of a back-to-back consist. When set to OFF, the reverser directions are normal.
REV SWAP
OFF
BRK ESTP
ON
BRK RATE
0.5s
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17
Threshold Calibration Menu
Threshold Calibration Sub-Menu
ELEMENT DESCRIPTION
NAME
�
240
Control Name. The name of the ProtoThrottle control to be calibrated. Hold the control in the desired location and press the Up button to set the new calibration value.
HORN Threshold for the horn function activationBRAKE Threshold for the brake function activationBRAKE LOW Left brake handle stopBRAKE HIGH Right brake handle stop; also threshold for emergency stop
Control Status. Shows the on/off status of the selected control.
� OFF� � ON
Internal ADC value for the selected control. Can normally be ignored, unless you’re developing code for the ProtoThrottle or are just a nerd.
LCD Screen
Advance to Communication Configuration None
Enter Threshold Calibration Sub-Menu None
THRSHOLD
�- CAL
HORN �
240
LCD Screen
Cycle through Control Names Set new calibration value
Save threshold settings and return to Threshold Calibration Menu
None
www.protothrottle.com
NOTE: These settings are factory calibrated and do not,
under most circumstances, need to be changed.
Modify them at your own risk!
18
Communication Configuration Menu
Communication Configuration Sub-Menu
ELEMENT DESCRIPTION
Throttle ID. Set each throttle to a unique ID using letters A-Z
Base Address. Set to the address of the ProtoThrottle receiver – see reciever instructions.
Time Source Address. Selects the fast time source. Set to “BASE” to display time information received from the command station by the ProtoThrottle receiver. To use an Iowa Scaled Engineering Wireless Fast Clock Master, set to the Node Address of the clock (0x01 to 0xFE). Set to “ALL” to display any time information received by the ProtoThrottle. The “ALL” setting works well with a single receiver in a private setting, but may result in erratic time display when multiple ProtoThrottle receivers are in close proximity (e.g. a public train show).
LCD Screen
Advance to Preferences Menu None
Enter Communication Configuration Sub-Menu
None
COMM
�- CFG
THRTL ID
A
LCD Screen
Cycle through Address/ID Names Increase
Save Address/ID settings and return to Communication Configuration Menu
Decrease
www.protothrottle.com
THRTL ID
A
BASE ADR
00
TIME ADR
BASE
19
Preferences Menu
Preferences Sub-Menu
ELEMENT DESCRIPTION
Sleep Delay. Time until the throttle automatically enters low power mode. The throttle handle must be in idle, the reverser handle in centered position, and no buttons or controls actuated for this time. Range from 1 to 99 minutes.
Clock Timeout. Maximum time between fast clock time packets. If no time information is received in this interval, the clock display will show dashes to indicate it has lost communication with the fast clock master. Range from 1 to 25 seconds. Transmit Interval. Time between periodic wireless transmissions to the ProtoThrottle receiver. This setting is locked and should not normally need to be changed by the user. Transmit Holdoff. Minimum time between wireless transmissions to the ProtoThrottle receiver. This setting is locked and should not normally need to be changed by the user. LED Blink. When set to ON, the LED on the ProtoThrottle will blink green when communication with a ProtoThrottle receiver is active. When set to OFF, the LED will remain off when communication is active. The LED will always blink red when no communication link has been established.
Continued on next page
LCD Screen
Advance to Diagnostics Menu None
Enter Preferences Sub-Menu None
PREFS
�- CFG
SLEEP
DLY: 5M
TIMEOUT
CLK: 10s
TX INTVL
1s
TX HLDOF
0.15s
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LED BLNK
ON
20
LCD Screen
Cycle through preference settings Increase value or turn on setting
Save preference settings and return to Preferences Menu
Decrease value or turn off setting
www.protothrottle.com
Preferences Sub-Menu
Continued from previous page
ELEMENT DESCRIPTION
Reverser Lock. When set to ON, the reverser can only change the locomotive direction when then throttle is in idle, just like the prototype (in fact, on the prototype, the reverser handle is locked and cannot be moved). If the reverser is moved when the throttle is not in idle, the direction will remain the same and the Main Screen will display REV!. When set to OFF, the reverser is allowed to change the locomotivedirection regardless of the throttle setting.
REV LOCK
ON
21
Diagnostics Menu
Diagnostics Sub-Menu
ELEMENT DESCRIPTION
Controls Display. Shows the current status of the ProtoThrottle controls and buttons.
Sleep Timeout. Shows the number of seconds until the throttle goes to sleep.
Packet Timeout. Timer reset by each packet received from the ProtoThrottle receiver. Communication is considered lost when the bar reaches zero. Received Signal Strength Indicator. Reports the strength of the wireless connection to the throttle.
Fast Time Ratio. Reports the fast time ratio from the last update received.
Battery Voltage
ProtoThrottle Firmware Version
ProtoThrottle Firmware Short Git Hash Continued on next page
LCD Screen
Return to Main Menu None
Enter Diagnostics Sub-Menu None
DIAGS
�- CFG
� 0% I N
- � -
SLEEP
300 sec
PKT TIME
[ÿ�ÿÿÿ�]
BATTERY
2.30V
FT RATIO
2.4:1
RSSI
-43dBm
VERSION
1.0.0
GIT REV
000000
www.protothrottle.com
22
Diagnostics Sub-Menu
ELEMENT DESCRIPTION
Base Type. The type of ProtoThrottle receiver to which the ProtoThrottle is connected.
Base Unit Short Git Hash
Factory Reset. Press the Down button 5 times to reset the ProtoThrottle to factory settings. WARNING: This will erase all configuration settings, except those in the Threshold Calibration menu, so use with caution!
BASE TYP
CAB BUS
BASE REV
000000
FACTORY
RESET 5~
LCD Screen
Cycle through diagnostics settings None
Return to Diagnostics Menu None
www.protothrottle.com
23
www.protothrottle.com
LCD
Scr
een
Men
u b
utto
nU
p b
utto
n
Sele
ct b
utto
nD
ow
n b
utto
n
� 0250 �
12:00��
ENGINE
OFF
ENGINE
ON
LIGHT �
ENGINE �
LOW �
WEIGHT �
MEDIUM �
WEIGHT �
HEAVY �
WEIGHT �
SET
�- LOCO
0250
FORCE
�- FUNC
FOO ---
FOO ON
FOO OFF
CONFIG
�- FUNC
HORN
F02
BELL
F01
BRAKE
F10
NOTCH
�- CFG
NOTCH 1
1
NOTCH 2
15
LOAD CNF
01: 0003
LOAD CNF
02: 0250
LOAD CNF
03: 0484
SAVE CNF
01: 0003
SAVE CNF
02: 0250
SAVE CNF
03: 0484
CONFIRM
LOAD -~
CONFIRM
SAVE -~
Up
to
20 d
isti
nct
conf
igur
atio
ns
(loco
mot
ive
ad
dre
ss, f
unct
ion
map
pin
gs,
thr
ottl
e no
tch
sett
ing
s,
opti
ons)
can
be
reca
lled
qui
ckly
us
ing
thi
s m
enu
Up
to
20 d
isti
nct
conf
igur
atio
ns
(loco
mot
ive
ad
dre
ss, f
unct
ion
map
pin
gs,
thr
ottl
e no
tch
sett
ing
s,
opti
ons)
can
be
save
d q
uick
ly
usin
g t
his
men
u
Up
to
28 d
isti
nct
func
tion
s ar
e av
aila
ble
Mai
n sc
reen
16 a
dd
itio
nal
sele
ctio
ns
follo
win
g t
he b
rake
Tog
gle
thr
oug
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ith
Men
u B
utto
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se U
p a
nd D
ow
n b
utto
ns t
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ove
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ugh
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ctio
ns
Use
Up
and
Do
wn
but
tons
to
mov
e th
roug
h se
lect
ions
Use
Up
and
Do
wn
but
tons
to
mov
e th
roug
h se
lect
ions
Use
Sel
ect
b
utto
n to
mov
e
to L
ocom
otiv
e ad
dre
ss s
cree
n
Use
Sel
ect
b
utto
n to
mov
e
to F
orce
Fun
ctio
n sc
reen
Use
Sel
ect
b
utto
n to
mov
e
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onfig
ure
Func
tion
scr
een
Use
Sel
ect
b
utto
n to
mov
e
to N
otch
C
onfig
urat
ion
scre
en
Clic
k Se
lect
but
ton
to S
AV
E a
ny in
put
. N
ote:
pre
ssin
g a
nd h
old
ing
the
Men
u b
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omen
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ly w
ill r
etur
n yo
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the
mai
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reen
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hin
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(gra
yed
scr
eens
).
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Men
u b
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ross
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use
Up
and
Do
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tons
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gle
th
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6 ad
dit
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; use
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ow
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hang
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ned
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ncti
on n
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Use
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n to
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roug
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s; u
se
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and
Do
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to
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ge
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Use
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n to
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e th
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ncti
ons;
use
Up
and
D
ow
n b
utto
ns t
o
turn
on,
off
, or
dis
able
THRSHOLD
�- CAL
OPTIONS
�-
HORN �
240
VAR BRK
OFF
BRK TYPE
PULSE
BRAKE �
142
BRAKE �
LOW 102
BRK RATE
0.5s
BRAKE �
HIGH 176
BRK ESTP
ON
REV SWAP
OFF
COMM
�- CFG
PREFS
�-
SLEEP
DLY: 5M
�16% I N
- � � -
SLEEP
299 sec
PKT TIME
[ÿÿÿÿÿÿ]
RSSI
-43dBm
FT RATIO
1.0:1
BATTERY
2.88V
VERSION
1.0.0
GIT REV
000000
BASE TYP
CAB BUS
BASE REV
000000
FACTORY
RESET 5~
TIMEOUT
CLK: 10s
TX INTVL
1s
TX HLDOF
0.15s
LED BLNK
ON
REV LOCK
ON
DIAGS
�-
Use
Sel
ect
b
utto
n to
mov
e
to T
hres
hold
C
alib
rati
on s
cree
n
Use
Sel
ect
b
utto
n to
mov
e
to O
pti
ons
scre
en
Use
Sel
ect
b
utto
n to
mov
e
to C
omm
unic
atio
nC
onfig
urat
ion
scre
en
Use
Sel
ect
b
utto
n to
mov
e
to P
refe
renc
es
scre
en
Use
Sel
ect
b
utto
n to
mov
e
to D
iag
nost
ics
scre
en
Use
Men
u b
utto
n to
mov
e th
roug
h se
lect
ions
Use
Men
u b
utto
n to
mov
e th
roug
h se
lect
ions
; use
Up
an
d D
ow
n b
utto
ns
to c
hang
e va
lue
Use
Men
u b
utto
n to
mov
e th
roug
h se
lect
ions
; use
Up
an
d D
ow
n b
utto
ns t
o ch
ang
e ad
dre
ss/I
D
Use
Men
u b
utto
n to
mov
e th
roug
h se
lect
ions
Use
Men
u b
utto
n to
mov
e th
roug
h se
lect
ions
THRTL ID
A
BASE ADR
00
TIME ADR
BASE
Men
u M
ap
24
VB
AT
GN
D
ICS
P H
eader
C7
1uF
16V
Contr
ol S
tand T
hro
ttle
mrb
w−
cst.sch
11
Mic
hael P
ete
rsen
FIL
E:
RE
VIS
ION
:
DR
AW
N B
Y:
PA
GE
OF
TIT
LE
H G F E D C B AIJK
IJK H G F E D C B A
12
34
56
78
91
011
12
34
56
78
91
011
12
13
14
15
16
17
12
13
14
15
16
17
H1
H2
H3
H4
C9
22pF
16V
, N
P0
SOFTKEY1
1V
CC
2D
OU
T
3D
IN
4D
O8
5R
ES
ET
6P
WM
0/R
SS
I
7P
WM
1
8N
.C.
9D
TR
/SLE
EP
_R
Q
10
GN
D11
DIO
4
12
CT
S
13
ON
/SLE
EP
14
VR
EF
15
AS
SO
C
16
RT
S
17
DIO
3
18
DIO
2
19
DIO
1
20
DIO
0
XB
EE
/ X
BE
E−
PR
O
XU
3
VB
AT
SN
S
12
34
56
MIS
O
SC
K
RS
T
5V
MO
SI
GN
D
J2
C11
8.2
pF
16V
, N
P0
C10
1uF
16V
Note
s:
1)
All
capacitors
are
cera
mic
(X
7R
/X5R
) unle
ss o
therw
ise n
ote
d.
2)
All
capacitors
and r
esis
tors
are
0805 u
nle
ss o
therw
ise n
ote
d.
C8
22pF
16V
, N
P0
C6
0.1uF16V
C4
0.1
uF
16V
R1
499k
1%
R2
287k
1%
C2
33pF
16V
1S
HD
N
2F
B
4V
OU
T
3P
GO
OD
8V
IN
7
SG
ND
SW
5
6
PG
ND
9
GN
D
LT
C3528
U1
LT
C_D
DB
8
L1
MS
S6132−
472
4.7
uH
C3
10uF
6.3
V
C1
10uF
6.3
V
R5
10k
12
SW
2P
VA
1 E
E H
2 1
.2N
V2
12
SW
3P
VA
1 E
E H
2 1
.2N
V2
Note
: Latc
hin
g p
ushbuttons.
Turn
off p
ull−
up w
hen n
ot polli
ng.
BE
LL
DY
NA
MIC
BCA
SW
425LB
10−
Q
Thro
ttle
BCA
SW
525LB
30−
Q
Revers
er
VR
EV
54
100k
R6 81
100k
R6
RE
V_E
N
VR
EV
Revers
er
Decode:
A/B
=off/o
ff, C
=0V
A/B
=on/o
ff, C
=1.6
5V
A/B
=off/o
n, C
=1.1
VA
/B=
on/o
n, C
=1.9
8V
TH
RA
TH
RB
TH
R_E
N
Must re
ad c
ontinuously
.T
HR
_E
N o
nly
used in s
leep.
VLIG
HT
_F
LIG
HT
_E
N
VLIG
HT
_F
VLIG
HT
_R
TH
RA
TH
RB
TH
R_E
N
VB
AT
SN
S
2
3 1
PT
V09A
−2020F
−B
104
P1
100k
VB
RA
KE
PO
TS
_E
N
VB
RA
KE
PO
TS
_E
N
LIG
HT
_E
N
VR
EV
VLIG
HT
_F
VB
RA
KE
TH
RA
RE
V_E
N
4
Reset
7
XT
AL2
8
XT
AL1
29
AR
EF
16
PD
7 (
OC
2)
15
PD
6 (
ICP
)
14
PD
5 (
OC
1A
)
13
PD
4 (
OC
1B
)
12
PD
3 (
TX
D1/IN
T1)
11
PD
2 (
RX
D1/IN
T0)
10
PD
1 (
TX
D0)
9P
D0 (
RX
D0)
3P
B7 (
SC
K)
2P
B6 (
MIS
O)
1P
B5 (
MO
SI)
44
PB
4 (
SS
)
43
PB
3 (
AIN
1)
42
PB
2 (
AIN
0)
41
PB
1 (
T1)
40
PB
0 (
T0)
26
(TO
SC
2)
PC
7
25
(TO
SC
1)
PC
6
24
PC
5
23
PC
4
22
PC
3
21
PC
2
20
(SD
A)
PC
1
19
(SC
L)
PC
0
30
(AD
C7)
PA
7
31
(AD
C6)
PA
6
32
(AD
C5)
PA
5
33
(AD
C4)
PA
4
34
(AD
C3)
PA
3
35
(AD
C2)
PA
2
36
(AD
C1)
PA
1
37
(AD
C0)
PA
0
6
GN
D
18
GN
D
28
GN
D
39
GN
D
5
VC
C
17
VC
C
38
VC
C
27
AV
CC
U2
AT
mega1284P
TQ
FP
44
+3.3
V
+3.3
V
+3.3
V
+3.3
V
C5
0.1uF16V
+3.3
V
LC
D_E
N
SLE
EP
_E
N
BE
LL
DY
NA
MIC
BA
CK
LIG
HT
_E
N
D7
D6
D5
D4
RS
E
2
31
P3
10k
SOFTKEY2
SOFTKEY0
SOFTKEY3
RS E
+3.3
V
LC
D_E
N
R3
100k
6
5
1
MP
1D
MP
2240U
DM
D3
4
CO
M5
D4
6
D2
3
CO
M2
D1
1
U4
CP
DT
6−
5V
4−
HF
D3
4
CO
M5
D4
6
D2
3
CO
M2
D1
1
U6
CP
DT
6−
5V
4−
HF
D3
4
CO
M5
D4
6
D2
3
CO
M2
D1
1
U5
CP
DT
6−
5V
4−
HF 7 2
100k
R6
63
100k
R6
SO
FT
KE
Y0
SO
FT
KE
Y1
1 2
J1
VS
S (
GN
D)
1
VD
D (
VC
C)
2
V0
3
RS
4
R/W
5
E6
SW
07
SW
18
SW
211
SW
312
DB
413
DB
514
DB
615
DB
716
A
17
K18
LC
D9
LE
DG
10
LE
DR
X1
R4
20
D7
D6
D5
D4
SO
FT
KE
Y2
SO
FT
KE
Y3
BA
CK
LIG
HT
_E
N
D S
G
MN
1
BS
S138
LE
DG
LE
DR
LE
DG
LE
DR
81
100k
R10
8 1
100k
R7
5 4
100k
R7
7 2
100k
R7
6 3
100k
R7
TH
RB
VB
AT
VH
OR
N
VLIG
HT
_R
YELLOW
D1
RED
D2
41
R111k
32
R111k
1
2
3
4
JP
1
13
24
Y1
11.0
592M
Hz
H5
2
3 1
PT
V09A
−2020F
−B
104
P2
100k
VH
OR
N
PO
TS
_E
N
SLE
EP
_E
N
VH
OR
N
1 2
J3
VB
AT
Charg
er
LIG
HT
_E
N
PO
TS
_E
N
4
2
3
MP
1D
MP
2240U
DM
5 4
100k
R10
7 2
100k
R10
63
100k
R10
VLIG
HT
_R
1 2 3 4
A
SW
6
KC
14
1 2 3 4
A
SW
7
KC
14
C12
DN
I
C13
DN
I
1T
P1
www.protothrottle.com
25
www.protothrottle.com
Open DesignIowa Scaled Engineering is committed to creating open designs that users are free to build, modify, adapt, improve, and share with others.
HardwareThe design of the ProtoThrottle hardware is open source hardware, and is made available under the terms of the Creative Commons Attribution-Share Alike v3.0 license, a copy of which is available from: http://creativecommons.org/licenses/by-sa/3.0/
Design files can be found on the Iowa Scaled Engineering’s Github site:https://github.com/IowaScaledEngineering/mrbw-cst
FirmwareThe official Iowa Scaled Engineering firmware for the ProtoThrottle is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. A copy of the GNU GPL can be found at: http://www.gnu.org/licenses/gpl.html
New firmware can be flashed into the ProtoThrottle through J2. The six pins are a standard AVR 6-pin ISCP programmer connection.
We encourage you to join the ProtoThrottle group forum: https://groups.io/g/ProtoThrottle
The forum will help with general and technical questions regarding the ProtoThrottle.
Visit the Iowa Scaled Engineering website to learn more about our full line of
model railroad electronics.
© 2018 Iowa Scaled Engineering, LLC and Designgrid, LLC
26
www.protothrottle.com
ProtoThrottleModel: MRBW-CSTHW Version: 1.2
Iowa Scaled Engineering, LLC22750 County Road 37Elbert, CO [email protected]
Contains FCC ID: OUR-XBEEPROThis device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equip-ment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio ortelevision reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.
Changes or modification to the device could void the user’s authority to operate the equipment.
Contains Model XBee-PRO Radio, IC: 4214A-XBEEPROThis device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions:(1) This device may not cause interference; and(2) This device must accept any interference, including interference that may cause undesired operation of the device.
Cet appareil est conforme aux RSS exempts de licence d’Industrie Canada. L’opération est soumise aux deux conditions suivantes:(1) Cet appareil ne doit pas causer d’interférences; et(2) Cet appareil doit accepter toute interférence, y compris les interférences susceptibles de provoquer un fonctionnement indésirable de l’appareil.
Changes or modification to the device could void the user’s authority to operate the equipment.Des changements ou des modifications à l’appareil pourraient annuler l’autorité de l’utilisateur à utiliser l’équipement.
