IAI America ROBO Cylinder Series - Manual (Page 176)

5. Modbus RTU
168
Modbus
(Example 7) Change the push current limit from 70% to 50% during a push-motion operation.
Target
position
[mm]
Positioning
band
[mm]
Speed
[mm/s]
Acceleration/
deceleration
[G]
Push
[%]
Control flag
50 20 100 0.3 70 o 50
Push-motion
operation
(bit1 = 1,
bit2 = 1)
„ Query : 01 10 9907 0002 04 007F 0006 C5C5
„ Response : 01 10 9907 0002 DE95
--- The query message is copied, except for the number of bytes and new data, and returned
as a response.
„ᴾ Breakdown of Query Message
Field
RTU mode
8-bit data
Remarks
Start None Silent interval
Slave address 01
H
Axis No. 0 + 1
Function code 10
H
Start address 9907
H
The start address is the target position specification
register 9907
H
.
Number of registers 0002
H
Specify 9907
H
through 9908
H
as the addresses to be
written.
Number of bytes 04
H
2 (registers) x 2 = 4 (bytes) o 4
H
New data 8 (push)
Input unit (%)
007F
H
50 [%]o7F
H
New data 9 (control flag) 0006
H
(Push setting)
0110bĺ0006
H
Error check C5C5
H
CRC check calculation result o C5C5
H
End None Silent interval
Total number of bytes 13