IGS-NT Communication Guide
99
7.4.6 Engine state - reading
Request: 01 03 00 A2 00 01 25 E8
01 = Controller address
03
= Modbus function code (Read Multiple Registers
(page 133))
00 A2
= Register address: Register number (40163) – 40001
= 162 DEC => A2 HEX
00 01 = Number of registers (40163)
E8 25
= Check field calculation (page 143) (write LSB MSB
!)
Response: 01 03 02 00 02 39 85
01 = Controller address
03
= Modbus function code (Read Multiple Registers
(page 133))
02 = Length of read data in Bytes (in HEX)
00 02
= Object data value – see the List#1 in the Cfg Image
=> (NotReady)
85 39 = Check field calculation (page 143)