Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 418)

Setting 0: Disabled
No communication 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. Name Setting Range Default
H5-06 Drive Transmit Wait Time 5 to 65 ms 5 ms
Command message Response message Command message
PLC→Drive PLC→Drive Drive→PLC
Time
24 bit length H5-06 setting
Figure C.5 Drive Transmit Wait Time Setting
n H5-07: RTS Control Selection
Enables or disables RTS control.
No. Name Setting Range Default
H5-07 RTS Control Selection 0 or 1 1
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. Name Setting Range Default
H5-09 Communications Fault Detection Time 0.0 to 10.0 s 2.0 s
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. Name Setting Range Default
H5-10 Unit Selection for MEMOBUS/Modbus Register 0025H 0 or 1 0
Setting 0: 0.1 V units
Setting 1: 1 V units
C.4 MEMOBUS/Modbus Setup Parameters
418 YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide