Communication Guide, ©ComAp – March 2014 136
IGS-NT Communication Guide 03-2014.pdf
18 D6 = Register addres
00 03 = Release value, number of written Modbus registers
50 67 = CRC
Remote Switch 1 – Set (Remote Control 1)
Request: 01 10 18 D6 00 03 06 00 20 00 00 00 1A 7C 9A
01 = controller address
10 = Modbus command
18 D6 = Register address: Object for engine commands (46359) – 40001 = 6358 DEC
=> 18D6 HEX
00 03 = number of Modbus registers
06 = data length in bytes (08F70000+001A)
00200000 = argument for RemoteSwitch1-8 (page 122)
001A = command number (page 122), command = 26 DEC = 001A HEX
9A 7C = CRC (write LSB MSB !)
Response: 01 10 18 D6 00 03 67 50
01 = Controller address
10 = Modbus command
18 D6 = Register addres
00 03 = Release value, number of written Modbus registers
50 67 = CRC
Request: 01 10 18 D6 00 03 06 00 10 00 00 00 1A 3C E9 – Remote Switch 1 – Off
Request: 01 10 18 D6 00 03 06 00 20 00 01 00 1A 8C 9A – Remote Switch 2 – Set
Table of arguments
External Value1 – writing
Request: 01 10 18 D6 00 03 06 00 02 00 24 00 23 04 84
01 = controller address
10 = Modbus command
18 D6 = Register address: Object for engine commands (46359) – 40001 = 6358 DEC
=> 18D6 HEX
00 03 = number of Modbus registers
06 = data length in bytes (00020024+0023)
00020024 = argument for Set ExtValue 1-4 (page 122) (value 36DEC = 0024HEX)
0023 = command number (page 122), command = 35 DEC = 0023 HEX
84 04 = CRC (write LSB MSB !)
Response: 01 10 18 D6 00 03 67 50
01 = Controller address
10 = Modbus command
18 D6 = Register addres
00 03 = Release value, number of written Modbus registers
50 67 = CRC