GE Industrial Solutions A Series Lighting Control Panelboards Modbus Register Map - Manual (Page 48)

A Series ® Lighting Controller Modbus Register Map
Compact Event Log
42
Sample Packets
Following are examples of function requests to the
compact event log.
Ask for Compact Event Log Event #1
Table 81 is an example of a request for Event#1
Reg20007–Reg20014 (Function 4, CEL1 in map).
The response is as follows:
Reg20007–Reg20008 Time: 16:37:27.60
Reg20009–Reg20010 Date: Wed May 26, 2004
Reg200011 Event Type: 0x003D, Device Reset
Reg20012 Event Argument: 0x0000
Reg20013–Reg20014 Event Object Ref: 0x00090064,
DEV100
Request Response
Field Name Hex Field Name Hex
Device Address 01 Device Address 01
Function 04 Function 04
Register Address Hi 4E Byte Count 10
Register Address Lo 26 Register Value Hi (20007) 10
Registers Hi 00 Register Value Lo (20007) 25
Registers Lo 08 Register Value Hi (20008) 1B
Packet CRC Hi Register Value Lo (20008) 3C
Packet CRC Lo Register Value Hi (20009) 03
Register Value Lo (20009) 1A
Register Value Hi (20010) 05
Register Value Lo (20010) 68
Register Value Hi (20011) 00
Register Value Lo (20011) 3D
Register Value Hi (20012) 00
Register Value Lo (20012) 00
Register Value Hi (20013) 00
Register Value Lo (20013) 09
Register Value Hi (20014) 00
Register Value Lo (20014) 64
Packet CRC Hi
Packet CRC Lo
Table 81. Sample packets for request for compact event log event #1.
Ask for Compact Event Log Total Events
Table 82 is an example of a request for Compact Event
Log Total Events, Alarm Output Ref Reg20001–Reg20005.
Request Response
Field Name Hex Field Name Hex
Device Address 01 Device Address 01
Function 04 Function 04
Register Address Hi 4E Byte Count 06
Register Address Lo 20 Register Value Hi (20001) 00
Registers Hi 00 Register Value Lo (20001) 00
Registers Lo 05 Register Value Hi (20002) 00
Request Response
Field Name Hex Field Name Hex
Packet CRC Hi Register Value Lo (20002) 12
Packet CRC Lo Register Value Hi (20003) 00
Register Value Lo (20003) 64
Register Value Hi (20004) 00
Register Value Lo (20004) 05
Register Value Hi (20005) 00
Register Value Lo (20005) 44
Packet CRC Hi
Packet CRC Lo
Table 82. Sample packets for request for compact event log total events.
The response is as follows:
Reg20001–Reg 20002 Total Event: 0x00000012, 18
decimal
Reg20003–Reg20005 Alarm Output: Ref.
0x006400050044, 100.BO68 (Alarm Relay)
Ask for Compact Event Log Nonexistent Event
Table 83 is an example of a request for Event #21,
Reg20173–Reg20180, which does not exist. The response
is an error return for invalid data value, since there are
only 18 events in the list.
Request Response
Field Name Hex Field Name Hex
Device Address 01 Device Address 01
Function 04 Error Code 84
Register Address Hi 4E Exception Code 03
Register Address Lo CC Packet CRC Hi
Registers Hi 00 Packet CRC Lo
Registers Lo 08
Packet CRC Hi
Packet CRC Lo
Table 83. Sample packets for request for nonexistent event.
Compact Event Log (CEL) – Setup (Registers 60001 –
60008)
Table 84 shows the registers to set up alarm events and
alarm output reference.