ComAp InteliSys NTC BaseBox User Manual

IGS-NT Communication Guide
137
Exceptional response
Byte Meaning Note
0 Controller address Same as in the query
1 131 Modbus fun.number 128
2 2 see Error list on page 150
3
4
Check field CRC
lower byte (LSB)
upper byte (MSB)
see Check field calculation on page 143.
Write Single Registers
Query
Byte Meaning Note
0 Controller address 1 to 32
1 6 Modbus function code
2
3
Communication object number
upper byte (MSB)
lower byte (LSB)
4
5
Data
upper byte (MSB)
lower byte (LSB)
6
7
Check field CRC
lower byte (LSB)
upper byte (MSB)
see Check field calculation on page 143
Standard response
Byte Meaning Note
0 Controller address Same as in the query
1 6 Same as in the query
2
3
Communication object number
upper byte (MSB)
lower byte (LSB)
Same as in the query
4
5
Data
upper byte (MSB)
lower byte (LSB)
Same as in the query
6
7
Check field CRC
lower byte (LSB)
upper byte (MSB)
see Check field calculation on page 143

ComAp InteliSys NTC BaseBox Specifications

General

Brand	ComAp
Model	InteliSys NTC BaseBox
Category	Controller
Language	English