E+E Elektronik TES201 User Manual page 17

Read register from unconfigured custom modbus map address 0xBB8-0xBB9:
Master (e.g. PLC)
Request [Hex]:
Modbus Function
address code
2D 03
Response [Hex]:
Modbus Function
address code
2D 03
Fig. 4 Query of an unconfigured custom Modbus map
Mapping a simple custom Modbus map
assign T [°F] (address 0x3EA) and T [K] (address 0x3F0) to the map, starting address 0xBB8:
Master (e.g. PLC)
Request [Hex]:
Modbus
address
2D
Response [Hex]:
Modbus
address
2D
Fig. 5 Mapping a simple custom Modbus map
Query register address 0xBB8 (T [°F] mapped)
Master (e.g. PLC)
Request [Hex]:
Modbus Function
address code
2D 03
Response [Hex]:
Modbus Function
address code
2D 03
Fig. 6 Read CO avg value
2
Starting Starting
address Hi address Lo registers Hi
0B BB
Byte Register 1 Register 1
count value Hi
04 FF
Function Starting
code address Hi address Lo
10 17
Register 1 Register 1
value Hi
03
Function Starting
code address Hi address Lo
10 17
Starting Starting
address Hi address Lo registers Hi
0B B8
Byte Register 1 Register 1
count value Hi
04 3A
Qty. of Qty. of
registers Lo
00 02 41
Register 2 Register 2
value Lo value Hi value Lo
FF FF
Starting Qty. of
registers Hi registers Lo
70 00
Register 2 Register 2
value Lo value Hi value Lo
EC 03
Starting Qty. of
registers Hi registers Lo
70 00
Qty. of Qty. of
registers Lo
00 02 41
Register 2 Register 2
value Lo value Hi value Lo
5E 42
User Manual TES201
TES201
CRC
A6
CRC
FF 16 65
TES201
Qty. of Byte
count
02 04
CRC
EA 4A EE
Qty. of
CRC
02 42 0B
TES201
CRC
A6
CRC
97 0B F5
Room Sensor for Temperature | 17