BENSHAW RSi GM2 Series - Page 198

RS-485 Communication Features
890054-00-00
GM2 Series VFD
188
Example of Modbus-RTU Communication in Use
When the muti-step acceleration time1 (Communication address 0x1246) is changed to
5.0 sec and the Multi-step deceleration time1 (Communication address 0x1247) is
changed to 10.0 sec.
Frame Transmission from Master to Slave (Request)
Items
Station
ID
Function
Starting
Address
# of
Register
Byte
Count
Data 1
Data 2
CRC
Hex
0x01
0x10
0x1245
0x0002
0x04
0x0032
0x0064
0x4324
Description
CM.01
Int485
St ID
Preset
Multiple
Register
Starting
Address
-1
(0x1246-
1)
-
-
50
(ACC
time
5.0sec)
100
(DEC
time
10.0sec
)
-
Frame Transmission from Slave to Master (Response)
Items
Station
ID
Function
Starting
Address
# of Register
CRC
Hex
0x01
0x10
0x1245
0x0002
0x5565
Descriptio
n
CM.01
Int485 St
ID
Preset
Multiple
Register
Starting
Address -
1
(0x1246-
1)
-
-