CIRCUTOR AFQ Series - Manual (Page 62)

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.