PMD Layout

Unit Module

Super ModuleConverter + Support Plate

Total channels

Preshower+Veto

= 221,184

8 Supermodules

in 2 planes

48 Nos. Total

Unit module componentsHoneycomb (4608 cells)

Top, bottom PCBs

PMD DCSSMI Control Unit

SMI Device Unit

Hardware Device

Being done by CERN GWG

GASHV LV

PMDDCS

Tmon Crate Ctrl

HV System

HV

CAENSY1527

From LVPS

SMI Control Unit

SMI Device Unit

Hardware Device

PREVETO

HVPS

UM24 48

UM 0 23

LV SYSTEM

LV

LVPS

+2.5 +3.3 -2.5

CROCUS6

CAENEASY

CAEN48V

CROCUSCROCUSCROCUSCROCUSCROCUS1

+3.3V +3.3V

+3.3V+3.3V

To SY1527

SMI Control Unit

SMI Device Unit

Hardware Device

PRE VETO

UM24UM24 48

UM24UM 0 23

TmonTmon

ELMB2 ELMB1

ELMB Status

SMI Control Unit

SMI Device Unit

Hardware Device

Crocus UM 0

UM 48

OFF

CONFIGURING

CONFIGURED

STANDBY

PEDESTAL

ON

RAMP_UP_LO RAMP_DOWN_LO

RAMP_UP_HIGHRAMP_DOWN_HIGH

RAMP_UP_FULL

RAMP_DOWN_FULL

GO_STANDBYGO_PEDESTAL

GO_ONGO_OFFRESET

GO_CONFIGUREDRESET

GO_STANDBYGO_PEDESTAL

GO_CONFIGURED_OFFRESET

PMDDCS

SMI Control Unit

SMI Device Unit

Hardware Device

PREVETO

HVPS

UM24 48

UM 0 23

LVPS

Tmon

2.5 -2.5HV

3.3

Detector oriented hierarchy

CrateCtrl

Next SLIDE

• A proposed detector oriented hierarchy

• For PMD