EDI CMU-24VDC-ITL Series, Operation Manual

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CMU-24VDC-ITL Cabinet Monitor Unit
Operations Manual
Eberle Design Inc. Page 16
Section 5
SPECIFICATIONS
5.1 ELECTRICAL
Power
Requirements
Operating Voltage ............................................................................................ 15 to 32 Vdc
Power Consumption (maximum) ............................................................................. 10 Watts
Voltage Monitors
Field Signals High Threshold
Active ...................................................................................... greater than 18.5 Vrms
Not Active ................................................................................... less than 17.5 Vrms
Field Signals Low Threshold
Active ........................................................................................ greater than 4.0 Vrms
Not Active ..................................................................................... less than 3.0 Vrms
Cabinet Control (Local Flash Status, MC Coil Status, MC Secondary Status, FTR Coil
Drive, CB Trip Status, Front / Rear Door Switch)
Active ...................................................................................... greater than 20.5 Vrms
Not Active ................................................................................... less than 19.5 Vrms
DC Power Fail Monitor
DC Power Level Sense Restore ......................................................... greater than 22 Vrms
DC Power Level Sense Dropout ........................................................... less than 21.5 Vrms
DC Voltage Monitors
+24 Volt Monitor
Active ........................................................................................... greater than 22 Vdc
Not Active ......................................................................................... less than 18 Vdc
+12 Volt Monitor
Active ........................................................................................... greater than 11 Vdc
Not Active .......................................................................................... less than 9 Vdc
Logic Inputs
External Test Reset, Serial Bus #1 Disable, Address 0, Address 1
Not Active (False) ........................................................................ greater than 16 Vdc
Active (True) ...................................................................................... less than 8 Vdc
CMU Temperature
Accuracy ..................................................................................................................... ± 6
o
C
5.2 TIMING
Cabinet Power Supplies (+24VDC, +12VDC)
Fault ........................................................................................... greater than 500 ms
No Fault ........................................................................................... less than 200 ms
Typical ............................................................................................................ 350 ms
Conflict
Fault ........................................................................................... greater than 500 ms
No Fault ........................................................................................... less than 200 ms
Typical ............................................................................................................ 350 ms
Serial Bus #1 Error
Fault ......................................................................................... greater than 1000 ms
Serial Bus #3 Error
Fault ........................................................................................... greater than 300 ms