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H5: MEMOBUS/Modbus Serial Communication
No.
(Addr.
Hex)
Name LCD Display Description Values Page
H5-01
(0425)
<1>
Drive Node Address Serial Comm Adr
Selects drive station node number (address) for MEMOBUS/
Modbus terminals R+, R-, S+, S-. Cycle power for the setting
to take effect.
Default: 1F
(Hex)
Min.: 0
Max.: FF
<2>
–
H5-02
(0426)
Communication Speed
Selection
Serial Baud Rate
0: 1200 bps
1: 2400 bps
2: 4800 bps
3: 9600 bps
4: 19.2 kbps
5: 38.4 kbps
6: 57.6 kbps
7: 76.8 kbps
8: 115.2 kbps
0: 1200 bps
1: 2400 bps
2: 4800 bps
3: 9600 bps
4: 19200 bps
5: 38400 bps
6: 57600 bps
7: 76800 bps
8: 115200 bps
Cycle power for the setting to take effect.
Default: 3
Range: 0 to 8
–
H5-03
(0427)
Communication Parity
Selection
Serial Com Sel
0: No parity
1: Even parity
2: Odd parity
0: No parity
1: Even parity
2: Odd parity
Cycle power for the setting to take effect.
Default: 0
Range: 0 to 2
–
H5-04
(0428)
Stopping Method after
Communication Error
(CE)
Serial Fault Sel
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only
0: Ramp to stop
1: Coast to stop
2: Fast Stop
3: Alarm only
Default: 3
Range: 0 to 3
–
H5-05
(0429)
Communication Fault
Detection Selection
Serial Flt Dtct
0: Disabled
1: Enabled
0: Disabled
1: Enabled. If communication is lost for more than two seconds,
a CE fault will occur.
Default: 1
Range: 0, 1
–
H5-06
(042A)
Drive Transmit Wait
Time
Transmit WaitTIM
Set the wait time between receiving and sending data. Default: 5 ms
Min.: 5
Max.: 65
–
H5-07
(042B)
RTS Control Selection
RTS Control Sel
0: Disabled
1: Enabled
0: Disabled. RTS is always on.
1: Enabled. RTS turns on only when sending.
Default: 1
Range: 0, 1
–
H5-09
(0435)
CE Detection Time CE Detect Time
Sets the time required to detect a communications error.
Adjustment may be needed when networking several drives.
Default: 2.0 s
Min.: 0.0
Max.: 10.0
–
H5-10
(0436)
Unit Selection for
MEMOBUS/Modbus
Register 0025H
CommReg 25h Unit
0: 0.1 V
1: 1 V
0: 0.1 V units
1: 1 V units
Default: 0
Range: 0, 1
–
H5-11
(043C)
Communications
ENTER Function
Selection
Enter CommandSel
0: Enter Required
1: No EnterRequired
0: Drive requires an Enter command before accepting any
changes to parameter settings.
1: Parameter changes are activated immediately without the
Enter command.
Default: 1
Range: 0, 1
–
H5-12
(043D)
Run Command Method
Selection
Run CommandSel
0: FWD Run &REV
Run
1: Run & FWD/REV
0: FWD/Stop, REV/Stop
1: Run/Stop, FWD/REV
Default: 0
Range: 0, 1
–
<1> If this parameter is set to 0, the drive will be unable to respond to MEMOBUS/Modbus commands.
<2> When P1-01, Pump Mode, is set to 3 (MEMOBUS network), the range is dependent on P9-25, Highest Node Address.
B.7 H Parameters: Multi-Function Terminals
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
287
B
Parameter List
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