YASKAWA P1000 Technical Manual page 512

C.4 MEMOBUS/Modbus Setup Parameters
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.
Note: Cycle power for the setting to take effect.
No.
H5-06
n H5-07: RTS Control Selection
Enables or disables RTS control.
Note: Cycle power for the setting to take effect.
No.
H5-07
Setting 0: Disabled. RTS is always on.
Use this setting with point-to-point RS-422 communications.
Setting 1: Enabled. RTS switches while sending.
Use this setting with RS-485 communications or when using multi-drop RS-422 communications.
n H5-09: Communications Fault 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
512
Name
Drive Transmit Wait Time
PLC→Drive
Command message Response message
24 bit length H5-06 setting
Figure C.5 Drive Transmit Wait Time Setting
Name
RTS Control Selection
Name
Communications Fault Detection Time
Name
Drive→PLC PLC→Drive
Command message
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual
Setting Range
5 to 65 ms
Time
Setting Range
0 or 1
Setting Range
0.0 to 10.0 s
Setting Range
0 or 1
Default
5 ms
Default
1
Default
2.0 s
Default
0