Modbus frames, Powerstudio software, Response – CIRCUTOR AFQ Series User Manual
Page 62: Variable write • question
AFQ-4W
62 Instruction Manual
4.4.1. MODBUS FRAMES
Variable reading
• Question:
Peripheral
number
Modbus
function
Start
address
No. logs
CRC 16
(Modbus)
02
03
H
L
H
L
H
L
• Response:
Peripheral
number
Modbus
function
No. bytes
(2 x number of logs)
Data
(2 x number of logs)
CRC 16
(Modbus)
02
03
1 Byte
H
L
H
L
Variable write
• Question:
Peripheral
number
Modbus
function
Start
address
No. logs
No. bytes
(2 x number of
logs)
Data
(2 x number of
logs)
CRC 16
(Modbus)
02
10
H
L
H
L
1 Byte
H
L
H
L
• Response:
Peripheral
number
Modbus
function
Start
address
No. logs
CRC 16
(Modbus)
02
10
H
L
H
L
H
L
Note All of the values are expressed as hexadecimals.
In
Appendix B:
In
Modbus Map
you can see the memory map of the parameters
that can be viewed via RS-485.
4.4.2. PowerStudio SOFTWARE
CIRCUTOR uses the PowerStudio energy management software for the
configuration, communication and monitoring of the AFQ-4W.