EDI CMU-24VDC-ITL Series Operation Manual Download Page 23 | Manualshive

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CMU-24VDC-ITL Cabinet Monitor Unit

Operations Manual

Eberle Design Inc.

Page 19

Pin #

Function

I/O

5

Signal Ground

-

6

Reserved

-

7

Reserved

-

8

Reserved

-

9

Reserved

-

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Summary of Contents for CMU-24VDC-ITL Series

Page 1: ...HIS MANUAL CONTAINS TECHNICAL INFORMATION FOR THE CMU 24VDC ITL SERIES ITS CABINET MONITOR UNIT REVISION OCTOBER 2008 pn 888 3912 002 CMU 24VDC ITL Low Voltage DC Cabinet Monitor Unit Operations Manua...

Page 2: ...No 7 246 037 Canadian Patent No 2 574 101 U S Pat No 9 460 620 MAINTENANCE NOTE THIS EBERLE DESIGN INC CABINET MONITOR UNIT HAS BEEN CAREFULLY INSPECTED AND TESTED TO ENSURE PROPER OPERATION IT IS REC...

Page 3: ...tus 6 2 9 1 Local Flash Status Recovery 6 2 10 Circuit Breaker Trip Status 6 2 11 Flasher Unit Output Failed Alarm 6 2 12 CMU Power Failure 7 2 12 1 24VDC Power Level Sense 7 2 12 2 Power Interrupt 7...

Page 4: ...CONFLICT Indicator 14 4 1 5 LACK OF SIGNAL Indicator 14 4 1 6 MULTIPLE Indicator 14 4 1 7 CU LOCAL FLASH Indicator 14 4 1 8 CLEARANCE Indicator 14 4 1 9 FIELD CHECK Indicator 14 4 1 10 SB 1 ERROR Indi...

Page 5: ...t is specially configured for low voltage 24Vdc DC signal loads 1 2 CHANNEL CONFIGURATION The CMU 24VDC can be configured to monitor up to 28 physical load switch channels of three inputs per channel...

Page 6: ...OFTWARE INTERFACE The front panel display of the CMU 24VDC provides limited operational status This status includes real time indicators for Power Serial Bus 1 activity Serial Bus 3 activity and eleve...

Page 7: ...sts longer than the minimum defined period the CMU 24VDC will enter the Failed State Action fault mode causing the OUTPUT relay to de energize and the contacts on the OUTPUT NO pins to open The cabine...

Page 8: ...are detected as concurrently active for less than 200 milliseconds the CMU 24VDC will not cause a LFSA When any conflicting channels are detected as concurrently active for 500 milliseconds or more t...

Page 9: ...the CMU 24VDC may or may not cause a LFSA The Current Sense Unit CSU monitor function is hardwired to the maximum of 28 physical channels thus Virtual Channels do not have CSU monitoring capability Th...

Page 10: ...ellow Change plus Red Clearance monitoring will be disabled when the MC COIL STATUS input is not active There is programming in the Datakey to disable Minimum Yellow Change plus Red Clearance interval...

Page 11: ...24VDC power supply inputs when either the POWERDOWN or NRESET input is False low When the POWERDOWN and NRESET signals are both False low the CMU 24VDC will cause a NFSA 2 12 3 POWER RECOVERY When th...

Page 12: ...CU in the Type 61 frame When a mismatch is detected while a Conflict Lack of Signal or Multiple fault is timing Field Check Status will be reported with the fault to indicate the faulty channel s and...

Page 13: ...illiseconds the monitor circuit will force a LFSA R and illuminate the DIAGNOSTIC indicator 2 15 RECURRENT PULSE DETECTION This error detection function supplements the normal Conflict Multiple and La...

Page 14: ...imum Recurrent Pulse detection can be disabled with the SEL1 option jumper see Section 2 15 1 2 15 1 RECURRENT PULSE DETECTION DISABLE The Recurrent Pulse Detection function can be disabled by solderi...

Page 15: ...ed to the 24VDC supply 3 2 LED SIGNAL LOAD ELECTRICAL REQUIREMENTS LED Signal loads shall meet the following requirements under all conditions of temperature time etc 1 the signal shall emit NO light...

Page 16: ...than the Not Active threshold defined in Cabinet Control 5 1 The CMU 24VDC will report the state of this input in the Type 189 frame 3 4 3 MAIN CONTACTOR MC SECONDARY STATUS The cabinet should be wire...

Page 17: ...100 msec and the OUTPUT relay energized Continuously activating the input will not affect CMU 24VDC operation The EXTERNAL TEST RESET input is intended for use in testing the CMU 24VDC and should not...

Page 18: ...ndicator will illuminate when the CMU 24VDC is in FSA as a result of a Lack of Signal Inputs fault See section 2 5 4 1 6 MULTIPLE INDICATOR A red MULTIPLE indicator will illuminate when the CMU 24VDC...

Page 19: ...m the main CMU 24VDC power supply and 48VDC Ground A Null Modem cable is required for connection to a standard PC port 4 3 RESET BUTTON Depressing the RESET button resets the CMU 24VDC from the FSA co...

Page 20: ...tive 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 tha...

Page 21: ...00 ms Field Check Fault greater than 1000 ms No Fault less than 700 ms Typical 850 ms Local Flash Status Circuit Breaker Trip Fault greater than 450 ms No Fault less than 200 ms Typical 350 ms DC Powe...

Page 22: ...A17 PowerDown B17 PowerDown A18 SB3 TxData B18 SB3 TxData A19 SB3 RxData B19 SB3 RxData A20 SB3 Clock B20 SB3 Clock A21 LF Status B21 LF Status A22 Output Relay NO B22 Output Relay NO A23 CB Trip Stat...

Page 23: ...CMU 24VDC ITL Cabinet Monitor Unit Operations Manual Eberle Design Inc Page 19 Pin Function I O 5 Signal Ground 6 Reserved 7 Reserved 8 Reserved 9 Reserved...

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