GE Industrial Solutions A Series Lighting Control Panelboards Modbus Register Map - Manual (Page 20)

A Series ® Lighting Controller Modbus Register Map
Physical Input Registers-Analog Input (AI)
14
Offset Modbus Regs DB size Property Format Range Type
0 1001 Bit OutOfService Int 0 – 1 RW
1 1002 FLOAT Hi Value * 0 – 65535 RW
2 1003 FLOAT Lo 0 – 65535 RW
3 1004 FLOAT Hi Calibration 0 – 65535 RW
4 1005 FLOAT Lo 0 – 65535 RW
5 1006 Bit Commissioned Int 0 – 1 RW
6 1007 WORD Reliability Int Enum R
Configuration Ref.
7 1008 WORD Object Type 176 [AIC] RW
8 1009 WORD Object Instance 1 – 65535
1 = Photodiode Linear
2 = Photoconductive
3 = Photodiode Linear (Inverse)
4 = Photoconductive (Inverse)
RW
9 registers per AI
Table 21. Property of AI1 object
Note:
•
AIC reference registers 1008 and 1009 must be written in a single write using Function
16.
•
Analog Input Configuration (AIC) object type in Hexadecimal is <00B0>
Sample packets
Table 22 indicates the result of read request for AI1 object
Request Response
Field Name (Hex) Field Name (Hex)
Device Address 01 Device Address 01
Function 03 Function 03
Starting Address Hi 03 Byte Count 0E
Starting Address Lo E8 Reg. Value Hi (1001) 00
Quantity of Input Reg. Hi 00 Reg. Value Lo (1001) 00
Quantity of Input Reg. Lo 07 Reg. Value Hi (1002) 41
Packet CRC Hi Reg. Value Lo (1002) A0
Packet CRC Lo Reg. Value Hi (1003) 00
Reg. Value Lo (1003) 00
Reg. Value Hi (1004) 40
Reg. Value Lo (1004) A0
Reg. Value Hi (1005) 00
Reg. Value Lo (1005) 00
Reg. Value Hi (1006) 00
Reg. Value Lo (1006) 01
Reg. Value Hi (1007) 00
Reg. Value Lo (1007) 00
Reg. Value Hi (1008) 00
Reg. Value Low(1008) 0B
Reg. Value Hi (1009) 00
Reg. Value Low(1009) 01
Packet CRC Hi
Packet CRC Lo
Table 22 Sample packet for read of AI1 register
NOTE: Response for AI1 properties