YASKAWA V1000 Technical Manual page 410

C.5 MEMOBUS/Modbus Setup Parameters
n H5-05: Communication Fault Detection Selection
Enables or disabled the communication error (CE) detection for MEMOBUS/Modbus communications.
No.
H5-05
Setting 0: Disabled
No error detection. The drive continues operation.
Setting 1: Enabled
If the drive does not receive data from the master for longer than the time set to H5-09, then a CE fault will be triggered
and the drive will operate as determined by parameter H5-04.
n H5-06: Drive Transmit Wait Time
Sets the time the drive waits after receiving data from a master until responding data.
No.
H5-06
n H5-07: RTS Control Selection
Enables or disables RTS control.
No.
H5-07
Setting 0: Disabled - RTS is Always ON
Use this setting when using RS-422 signals for communications (1:1).
Setting 1: Enabled - RTS Switches while Sending
Use this setting when using RS-485 signals for communications or when using the RS-422 signals for multi-drop
communications.
n H5-09: CE Detection Time
Sets the time the communications must be lost before the drive triggers a CE fault.
No.
H5-09
n H5-10: Unit Selection for MEMOBUS/Modbus Register 0025H
Sets the unit for the output voltage monitor value in MEMOBUS/Modbus register 0025H.
No.
H5-10 Unit Selection for MEMOBUS/Modbus Register 0025H
Setting 0: 0.1 V Units
Setting 1: 1 V Units
n H5-11: Communications Enter Function Selection
Selects if an Enter command is needed to change parameter values via MEMOBUS/Modbus communications.
Enter Command on page
No.
H5-11
410
Name
Communication Fault Detection Selection
Name
Drive Transmit Wait Time
PLC→Drive
Command message
24 bit length H5-06 setting
Figure C.6 Drive Transmit Wait Time Setting
Name
RTS Control Selection
Name
CE Detection Time
Name
428.
Name
Communications Enter Function Selection
Drive→PLC
Response message Command message
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual
Setting Range
0 or 1
Setting Range
5 to 65 ms
PLC→Drive
Time
Setting Range
0 or 1
Setting Range
0.0 to 10.0 s
Setting Range
0 or 1
Setting Range
0 or 1
Default
1
Default
5 ms
Default
1
Default
2.0 s
Default
0
Refer to
Default
1