Yaskawa D1000 Series Power Regenerative Converter - Manual (Page 211)

C.4 MEMOBUS/Modbus Setup Parameters
YASKAWA ELECTRIC TOEP C710656 07C YASKAWA Power Regenerative Converter - D1000 Instruction Manual 211
MEMO
BUS/Mod
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■ H5-04: Stopping Method after Communication Error
Selects the stopping method after a communications error (CE) has occurred.
Setting 1: Stop operation
Setting 3: Alarm only (continue operation)
■ H5-05: Communication Fault Detection Selection
Enables or disables the CE detection for communications.
Setting 0: Disabled
No communication error detection. The converter continues operation.
Setting 1: Enabled
If the converter 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 converter will operate as determined by parameter H5-04.
■ H5-06: Drive Transmit Wait Time
Sets the time the converter waits after receiving data from a master until responding data.
Figure C.6
Figure C.6 Converter Transmit Wait Time Setting
■ H5-07: RTS Control Selection
Enables or disables RTS control.
Setting 0: Disabled. RTS is always on.
Use this setting with point-to-point or multi-drop RS-422 communications.
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 point-to-point
communications.
■ H5-09: Communications Fault Detection Time
Sets the time the communications must be lost before the converter triggers a CE fault.
No. Name Setting Range Default
H5-04 Stopping Method after CE 1, 3 3
No. Name Setting Range Default
H5-05 Communication Fault Detection Selection 0 or 1 1
No. Name Setting Range Default
H5-06 Drive Transmit Wait Time 5 to 65 ms 5 ms
No. Name Setting Range Default
H5-07 RTS Control Selection 0 or 1 1
No. Name Setting Range Default
H5-09 Communications Fault Detection Time 0.0 to 10.0 s 2.0 s
Command message Response message Command message
PLC →Converter PLC →Converter Converter →PLC
Time
24 bit length H5-06 setting 24 bit length ≥ 5 ms
D1000
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