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THIS 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 Manual

Содержание CMU-24VDC-ITL Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...