Communications; Settings For Servo Motor Drive - Savch SDA2 Series User Manual

7.1 Settings for Servo Motor Drive

Set up the parameters of the servo motor drive to perform the Modbus communications.
1.1 Protocol selection
◆
The parameters with "*"indicate that they are enabled only when power on again after parameter setting.
Parameter
Communication protocol
P2.97
Set to 1 (Modbus RTU) 。
1.2 Station number/communication baud rate
Parameter
*P2.72
Communication baud rate
*P2.73
Set a servo motor drive‟s station number (slave‟s station number) and a communication baud rate.
1.3 Character configuration
Parameter
*P2.93 Selection of parity/stop bit
Set existence and logic of a parity and a stop bit length.
1.4 Response time and communication time over
Parameter
P2.94
P2.95 Communication time over
(※) Actual response time is set to P2.94 setting or {time for 3 characters + servo motor drive‟s processing time},
whichever is longer.
Set the response time and communication time over parameters if needed.
Name
selection
Name
Station number
(RS485)
Name
Name
Response time
Setting range
0: Reserved
1:Modbus RTU(HL)
2：Modbus RTU(LH)
5：Host computer protocol
Setting range
1~31
0:38400 [bps] 4：57600 [bps]
1:19200 [bps] 5：4800 [bps]
2:9600 [bps] 6：2400 [bps]
3:115200 [bps] 7：1200 [bps]
Setting range
0:8,E,1 3:8,E,2
1:8,O,1 4:8,O,2
2:8,N,1 5:8,N,2
Setting range
0.00~1.00 [s] (※)
0.00 [s]: No detection
0.01~9.99 [s]
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7 COMMUNICATIONS

Default value
1
Default value
1
0
Default value
0
Default value
0.00
0.00