Appendix; Modbus Protocol - Hanbay RC AS-1.05 Series User Manual

HANBAY Inc

MODBUS protocol:

Actuator parameters can be set by using the MODBUS (
Standard supported function codes:
02 (0x02) Read Discrete Inputs
03 (0x03) Read Holding Registers.
04 (0x04) Read Input Registers.
06 (0x06) Write Single Register.
Hanbay function codes:
100 (0x64) Re-zero the actuator.
101 (0x65) Close the valve.
102 (0x66) Open the valve.
If you try to use any other function code, the actuator will answer with the exception code 0x01 indicating that
the attempted function code is not supported.
Actuator memory map:
Address
(DEC)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Page 7 of 15
Rev.2018.1
Offset
Address (HEX)
4001
0x0000
4002
0x0001
4003
0x0002
4004
0x0003
4005
0x0004
4006
0x0005
4007
0x0006
4008
0x0007
4009
0x0008
4010
0x0009
4011
0x000A
4012
0x000B
4013
0x000C
4014
0x000D
4015
0x000E
4016
0x000F
4017
0x0010
4018
0x0011
4019
0x0012
4020
0x0013
4021
0x0014
0x0015 4022

Appendix

RTU) protocol.
Register Name
MaximumSpeed
MaximumPower
NumberOfTurns
TargetFromRS485Flag
InputRangeLow
InputRangeHigh
OutputRangeLow
OutputRangeHigh
TargetPosition
SignalLostPosition
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
CurrentPosition
StatusRegister
User Manual RCx-xxxAS-1.05
Type
Holding registers.
READ and WRITE
Input registers.
READ only
www.hanbayinc.com
1 800 315 4461
hanbaysales@hanbayinc.com