Setting 3: Alarm Only, Continue Operation
n
H5-05: Communication Fault Detection Selection
Enables or disabled the communication error (CE) detection for MEMOBUS/Modbus communications.
No. Name Setting Range Default
H5-05 Communication Fault Detection Selection 0 or 1 1
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 2 s, 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 10 ms
Command message Response message Command message
PLC→Drive PLC→DriveDrive→PLC
Time
24 bit length
H5-06 setting
Figure C.6 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 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.
n
H5-12: Run Command Method Selection
Selects the type of sequence used when the Run command source is set to MEMOBUS/Modbus communications
(b1-02 = 2).
No. Name Setting Range Default
H5-12 Run Command Method Selection 0 or 1 0
Setting 0: FWD/Stop, REV/Stop
Bit
0 of MEMOBUS/Modbus register 0001H will start and stop the drive in the forward direction. Bit 1 will start and stop the
drive in reverse.
Setting 1: Run/Stop, FWD/REV
Bit 0 of MEMOBUS/Modbus register 0001H will start and stop the drive. Bit 1 changes the direction.
C.5 MEMOBUS/Modbus Setup Parameters
YASKAWA ELECTRIC SIEP C710606 31B YASKAWA AC Drive – J1000 Technical Manual
215
C
MEMOBUS/Modbus
Communications
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