MTS Multi-Variable Trip Switch

Overview

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What is the MTS ?

A ZERO-ERROR DIGITAL or a 4-20ma

Analog PV trip in one compact module.

Multivariable Trip Switch

MTS

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Trip Switch Usage

PV Alarm Trip

Status Output

Power

Digital or Analog

Transmitter Input

Analog Output

Trip Point

98.2

STAT

RLY

DE

HI

LO

• Simple On/Off Control

• Safety Shutdown

• Pressure Switch Replacement

Recorder

Motor

Smart Pressure

Transmitter

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MTS Block Diagram

PV Alarm Trip

Status Output

Power

Digital or Analog Transmitter Input

Analog Output

Trip Point

98.2

or

STAT

RLY

DE

HI

LO

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Product Positioning

Price

Functionality

Triconex

PLC

Acromag

MTS

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MTS Features

• Trip on DE or ANALOG signal

• LOW or HIGH trip on PV or SV

• 5A @ 250VAC trip/status relays

• 5 LED activity indicators

• Independent transmitter status relay

• Analog repeat output

• Modular DIN rail mount

• Test mode

• CE Mark & CSA

• Configurable “forced I/O manual” mode action

MTS

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MTS Benefits

• ZERO ERROR digital PV trip.

• One model with DE or ANALOG input capability.

• Bumpless & secure digital communication.

• Access to all variables saves on wiring and transmitter costs.

• Positive digital trip action avoids process upsets.

• Isolating transmitter status from PV trip helps avoid false process shutdowns.

• Expands functionality while maintaining full digital integration.

• Increases analog accuracy 80% !

• Allows elimination of Hi/Hi and Lo/Lo alarms.

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Application Examples

• Integrated Safety Solution- Mix of DE and analog

- Bumpless Communications

• Stand Alone Safety Solution• On/Off Control• Pressure Switch Replacement• Single Variable Transmitters

- Access second variable

• Multidrop & Multivariable Transmitters- Wiring savings

- Multiple trips

• Accuracy Enhancement

MTS

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Integrated Safety System

• Maintain Full Digital Integration

• Bumpless & Secure Communication

• Test & Validate Using Handheld Communicators

• Incorporate Xmtr Status into Strategy

Bumpless DE CommunicationsDigitalControl System

MTSDE

Status

AnalogOn/Off Trip

Handheld Communicator

Motor

Recorder

Multi-Variable Pressure

Transmitter

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Stand Alone Shutdown Solution

• Full Digital Bi-Directional Communications

• Increase Analog Accuracy 80%

2-wire All Digital Communications

MTS

+24VDC

Status

Trip

Analog

Handheld Communicator

Motor

Multi-Variable Pressure

Transmitter

Recorder

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Simple ON/OFF Control

Smart Pressure Transmitter

Temperature

• Access Temperature (Secondary Variable) to control steam flow.

MTS

DP

Trip

2-wire Digital Communications

Steam Tracing Application . . .

steam

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Pressure Switch Replacement

Smart Pressure

Transmitter

• Remote diagnostics

• < 1year return on investment

+ =MTS

Reduced Maintenance

Costs

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Single Variable Transmitter

ST 3000 Smart Pressure

Transmitter

Temperature

• Access Secondary Variable (Temperature)

• Access Digital Transmitter Status

MTS

DP

Trip

2-wire Digital Communications

Status

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Multi-drop with Multivariable Transmitter

SMV 3000 Multi-variable

Pressure Transmitter

• Access DP, AP, Temperature and Flow

• Access Digital Transmitter Status

• Reduce Wiring Costs

2-wire Digital Communications

MTS

Trip Trip Trip

Sta

tus

APDP TEMP FLOW

Motor

Motor

Control System

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Analog 4-20mA

ST 3000 Smart Pressure

Transmitter

Control System

Typical analog installation . . .

±0.1%

RL ±0.1%

Overall Accuracy = ± 0.2 %

Analog 1-5 volts

Accuracy Enhancement

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80% improvement with MTS . . .

±0.075%

Overall Accuracy = ± 0.12 %

MTS

Digital PV and Status

±0.045%

Analog1-5 volts

Control System

Status

Accuracy Enhancement

ST 3000 Smart Pressure

Transmitter

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MTS Installation

• Mix, Match and Multidrop

• Installs Without Disconnecting Existing Installation

• Maximize DE Input & Minimize Analog Output Wire Runs

• Installs Either as Stand Alone or Listener

2-wire All Digital Communications

MVA Control System

MTS

Analog

Status

Trip

Analog

ST 3000 Smart Pressure

Transmitter

Recorder

Motor

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PV Configuration

Release Tabs

Configuration Switches

• No Special Tools

• Secure

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Trip Point Configuration & Indicators

• Compact

• Informative

• No Special Tools

• Secure

PV Trip Point Switches

"STATUS" LED• PV Alarm

• Transmitter & MVA Status

• BAD PV

• Database Mismatch

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Trip Error

Resolution

Hysteresis

Response Time

Analog Repeat Out

Multivariable

Indep Xmtr Status

Secondary Variable

Bi-Directional Comm

Listener

Stand Alone

DIGITAL

0

16 bits

0.25%

25 msec.

YES

YES

YES

YES

YES

YES

YES

ANALOG

±1.0%

8 bits

2%

60 msec.

NO

NO

YES *

NO

NO

NO

YES

DIGITAL versus ANALOG Input

* status relay is activated when analog signal outside 4-20ma. range

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MTS Benefits Summary

• ZERO ERROR digital trip

• One model for DE or ANALOG

• Secure digital communication

• Access to all variables

• Positive digital trip action avoids process upsets.

• Transmitter status avoid false process shutdowns.

• Expands functionality & maintain full digital integration.

• Increases analog accuracy 80% !

• Allows elimination of Hi/Hi and Lo/Lo alarms.