7-
4
MDP Digital Time Overcurrent Relay GE Power Management
7 MODBUS PROTOCOL GEK-100682D
7
1011 Phase A trip current 0 to 10 A (5 A relay)
0 to 2 A (1 A relay)
RO Float 2 80/74/09-0Ah
1013 Phase B trip current 0 to 10 A (5 A relay)
0 to 2 A (1 A relay)
RO Float 2 80/74/0B-0Ch
1015 Phase C trip current 0 to 10 A (5 A relay)
0 to 2 A (1 A relay)
RO Float 2 80/74/0D-0Eh
1017 Ground trip current 0 to 3 A (5 A relay)
0 to 0.7 A (1 A relay)
RO Float 2 80/74/0F-10h
1019 Trip time 0 to 999.99 sec. RO Float 2 80/74/11-14h
1021 Breaker Status 00 to 01h RO Unsigned Integer
00h: Closed, 01h: Open
1 80/57/00h
1022 Relay Hardware Status 00 to 04h RO Unsigned Integer
00h: Relay is OK
01h: Relay not responding to read
02h: Relay not responding to write
03h: Command error reported
04h: Fatal error in Relay
1 80/57/03h
COMMNET COMMUNICATION STATISTICS REGISTERS
1500 Device Status N/A RO 1 = ALIVE, 0 = DEAD 1 N/A
1501 Total Communication errors N/A RO Unsigned Integer 1 N/A
1502 CRC Errors N/A RO Unsigned Integer 1 N/A
1503 Transmit Failures N/A RO Unsigned Integer 1 N/A
1504 Receive Time-out N/A RO Unsigned Integer 1 N/A
1505 Receive Errors N/A RO Unsigned Integer 1 N/A
EVENT REGISTERS
2000 Event Code - EVENT 1 0 to 256 RO Unsigned Integer 1
2001 Hour 0 to 23 hrs. RO Unsigned Integer 1
2002 Minute 0 to 59 min. RO Unsigned Integer 1
2003 Seconds 0 to 59 sec. RO Unsigned Integer 1
2004 Milliseconds msecs RO Unsigned Integer 1
2005 Event specific data 1 1
2006 Event specific data 2 1
2007 Event specific data 3 1
2008 Event specific data 4 1
2009 Event specific data 5 1
2010 Event specific data 6 1
2011 Event code - EVENT 2 0 to 256 RO Unsigned Integer 1
2012 Hour 0 to 23 hrs. RO Unsigned Integer 1
2013 Minute 0 to 59 min. RO Unsigned Integer 1
2014 Seconds 0 to 59 sec. RO Unsigned Integer 1
2015 Milliseconds msecs RO Unsigned Integer 1
Table 7–1: MODBUS MEMORY MAP (Sheet 2 of 4)
REGISTER
CONTENTS RANGE TYPE
R/W
FORMAT CODE BYTES COMMNET
COMMAND
Courtesy of NationalSwitchgear.com
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