Hanbay RC AS-1.05 Series, User Manual

Page: 7 / 15

HANBAY Inc User Manual RCx-xxxAS-1.05
Page 7 of 15 www.hanbayinc.com
Rev.2018.1 1 800 315 4461
hanbaysales@hanbayinc.com
Appendix
MODBUS protocol:
Actuator parameters can be set by using the MODBUS (
RTU) protocol.
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.
Actuator memory map:
Address
(DEC)
Address (HEX)
Offset
Register Name Type
0
0x0000
4001
MaximumSpeed
Holding registers.
READ and WRITE
1 0x0001
4002
MaximumPower
2 0x0002
4003
NumberOfTurns
3 0x0003
4004
TargetFromRS485Flag
4 0x0004
4005
InputRangeLow
5 0x0005
4006
InputRangeHigh
6 0x0006
4007
OutputRangeLow
7 0x0007
4008
OutputRangeHigh
8 0x0008
4009
TargetPosition
9 0x0009
4010
SignalLostPosition
10 0x000A
4011
Reserved
11 0x000B
4012
Reserved
12 0x000C
4013
Reserved
13 0x000D
4014
Reserved
14 0x000E
4015
Reserved
15 0x000F
4016
Reserved
16 0x0010
4017
Reserved
17 0x0011
4018
Reserved
18 0x0012
4019
Reserved
19 0x0013
4020
Reserved
20 0x0014
4021
CurrentPosition
Input registers.
READ only
21 0x0015 4022 StatusRegister
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.