GE Industrial Solutions A Series Lighting Control Panelboards Modbus Register Map - Manual (Page 23)

A Series ® Lighting Controller Modbus Register Map
Physical Output Registers-Binary Outputs (BO)
17
Physical Output Registers (Coils)
Lighting controller supports up to 66 breaker outputs
(BO). Actual value registers start at 1, commanded by
Function Codes 01, 05, and 15 and are mapped to Binary
Outputs (BO) 1–66. The value in the register represents
the Binary Output’s present value when read. Writes go to
priority level 5. Writes will only be accepted if the
‘OutOfService’ flag is set for that particular output.
A value of 1 represents ON and a value of 0 represents
OFF.
The physical output registers (coils) are listed in Table 26.
Reg. Contents Type Format
BO
Instance
1 BO1 Value RW Bit 01
2 BO2 Value RW Bit 02
3 BO3 Value RW Bit 03
4 BO4 Value RW Bit 04
5 BO5 Value RW Bit 05
6 BO6 Value RW Bit 06
7 BO7 Value RW Bit 07
8 BO8 Value RW Bit 08
9 BO9 Value RW Bit 09
10 BO10 Value RW Bit 10
11 BO11 Value RW Bit 11
12 BO12 Value RW Bit 12
13 BO13 Value RW Bit 13
14 BO14 Value RW Bit 14
15 BO15 Value RW Bit 15
16 BO16 Value RW Bit 16
17 BO17 Value RW Bit 17
18 BO18 Value RW Bit 18
19 BO19 Value RW Bit 19
20 BO20 Value RW Bit 20
21 BO21 Value RW Bit 21
22 BO22 Value RW Bit 22
23 BO23 Value RW Bit 23
24 BO24 Value RW Bit 24
25 BO25 Value RW Bit 25
26 BO26 Value RW Bit 26
27 BO27 Value RW Bit 27
28 BO28 Value RW Bit 28
29 BO29 Value RW Bit 29
30 BO30 Value RW Bit 30
31 BO31 Value RW Bit 31
32 BO32 Value RW Bit 32
33 BO33 Value RW Bit 33
34 BO34 Value RW Bit 34
35 BO35 Value RW Bit 35
36 BO36 Value RW Bit 36
37 BO37 Value RW Bit 37
38 BO38 Value RW Bit 38
39 BO39 Value RW Bit 39
40 BO40 Value RW Bit 40
Reg. Contents Type Format
BO
Instance
41 BO41 Value RW Bit 41
42 BO42 Value RW Bit 42
43 BO43 Value RW Bit 43
44 BO44 Value RW Bit 44
45 BO45 Value RW Bit 45
46 BO46 Value RW Bit 46
47 BO47 Value RW Bit 47
48 BO48 Value RW Bit 48
49 BO49 Value RW Bit 49
50 BO50 Value RW Bit 50
51 BO51 Value RW Bit 51
52 BO52 Value RW Bit 52
53 BO53 Value RW Bit 53
54 BO54 Value RW Bit 54
55 BO55 Value RW Bit 55
56 BO56 Value RW Bit 56
57 BO57 Value RW Bit 57
58 BO58 Value RW Bit 58
59 BO59 Value RW Bit 59
60 BO60 Value RW Bit 60
61 BO61 Value RW Bit 61
62 BO62 Value RW Bit 62
63 BO63 Value RW Bit 63
64 BO64 Value RW Bit 64
65 BO65 Value RW Bit 65
66 BO66 Value RW Bit 66
Table 26. List of physical output registers (coils).
Sample Packets
The following are examples of packets generated by
requests for specific groups of outputs.
Read Coil Status of BO Reg2 to Reg17
Table 27 shows the result of a request to read the coil
status of BO Reg2–Reg17 (Function 1, BO2–17 in map).
Note that the status of outputs 9–2 is shown as the byte
value 0xAC or binary 1010 1100 and output 2 is the LSB.
Request Response
Field Name Hex Field Name Hex
Device Address 01 Device Address 01
Function 01 Function 01
Register Address Hi 00 Byte Count 02
Register Address Lo 01 Output Status 9–2 AC
Quantity of Outputs Hi 00 Output Status 17–10 0A
Quantity of Outputs Lo 10 Packet CRC Hi
Packet CRC Hi Packet CRC Lo
Packet CRC Lo
Table 27. Sample packet for coil status of BO Reg2 to Reg17.