GE Industrial Solutions A Series Lighting Control Panelboards Modbus Register Map - Manual (Page 15)

A Series ® Lighting Controller Modbus Register Map
Physical Input Registers-Multistate Inputs (MI)
9
Figure 1. Sample display of 16 switch inputs.
Sample Packets
The following are examples of packets
generated by requests for specific groups of
inputs.
Read MI Reg1 to Reg16
Table 11 shows the result of a request to
read MI Reg1 to Reg16 (Function 4, MI
101–116 in map).
Request Response
Field Name Hex Field Name Hex
Device Address 01 Device
Address 01
Function 04 Function 04
Register Address
Hi 00 Byte Count 20
Register Address
Lo 00 Input 101 Hi 00
Quantity of Input
Reg. Hi 00 Input 101 Lo 01
Quantity of Input
Reg. Lo 10 Input 102 Hi 00
Packet CRC Hi Input 102 Lo 02
Packet CRC Lo Input 103 Hi 00
Input 103 Lo 02
Input 104 Hi 00
Input 104 Lo 02
Input 105 Hi 00
Input 105 Lo 01
Input 106 Hi 00
Input 106 Lo 01
Input 107 Hi 00
Input 107 Lo 01
Input 108 Hi 00
Input 108 Lo 01
Input 109 Hi 00
Input 109 Lo 01
Input 110 Hi 00
Input 110 Lo 01
Input 111 Hi 00
Input 111 Lo 03
Input 112 Hi 00
Input 112 Lo 03
Request Response
Field Name Hex Field Name Hex
Input 113 Hi 00
Input 113 Lo 03
Input 114 Hi 00
Input 114 Lo 03
Input 115 Hi 00
Input 115 Lo 03
Input 116 Hi 00
Input 116 Lo 03
Packet CRC
Hi
Packet CRC
Lo
Table 11. Sample packet for read of MI Reg1 to Reg16.
Read MI Reg1 to Reg3
Request Response
Field Name Hex Field Name Hex
Device Address 01 Device Address 01
Function 04 Function 04
Register
Address Hi 00 Byte Count 06
Register
Address Lo 00 Input 101 Hi 00
Quantity of Input
Reg. Hi 00 Input 101 Lo 01
Quantity of Input
Reg. Lo 03 Input 102 Hi 00
Packet CRC Hi Input 102 Lo 02
Packet CRC Lo Input 103 Hi 00
Input 103 Lo 02
Packet CRC Hi
Packet CRC Lo
Table 12. Sample packet for read of MI Reg1 to Reg3.
Table 12 shows the result of a request to
read MI Reg1 to Reg3 (Function 4, MI
101–103 in map).