YASKAWA U1000 Series - Page 506

B.3 Parameter Table
506 YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual
■ H5: MEMOBUS/Modbus Serial Communication
Note: The settings for MEMOBUS/Modbus communications become effective when the drive is restarted.
No.(Addr.) Name Description Setting Page
H5-01
(425H)
<32>
<32> If this parameter is set to 0, the drive will be unable to respond to MEMOBUS/Modbus commands.
Drive Slave Address
Selects drive station node number (address) for MEMOBUS/Modbus terminals R+, R-, S+, S-.
Cycle power for the setting to take effect.
Default: 1FH
Min: 0
Max: FFH
562
H5-02
(426H)
Communication Speed Selection
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
Min: 0
Max: 8
562
H5-03
(427H)
Communication Parity Selection
0: No parity
1: Even parity
2: Odd parity
Cycle power for the setting to take effect.
Default: 0
Min: 0
Max: 2
562
H5-04
(428H)
Stopping Method After
Communication Error (CE)
0: Ramp to stop
1: Coast to stop
2: Fast Stop
3: Alarm only
Default: 3
Min: 0
Max: 3
562
H5-05
(429H)
Communication Fault Detection
Selection
0: Disabled
1: Enabled. If communication is lost for more than two seconds, a CE fault will occur.
Default: 1
Min: 0
Max: 1
563
H5-06
(42AH)
Drive Transmit Wait Time
Set the wait time between receiving and sending data.
Default: 5 ms
Min: 5 ms
Max: 65 ms
563
H5-07
(42BH)
RTS Control Selection
0: Disabled. RTS is always on.
1: Enabled. RTS turns on only when sending.
Default: 1
Min: 0
Max: 1
563
H5-09
(435H)
Communication Fault Detection
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 s
Max: 10.0 s
563
H5-10
(436H)
Unit Selection for MEMOBUS/
Modbus Register 0025H
0: 0.1 V units
1: 1 V units
Default: 0
Min: 0
Max: 1
563
H5-11
(43CH)
Communications ENTER Function
Selection
0: Drive requires an Enter command before accepting any changes to parameter settings.
1: Parameter changes are activated immediately without the Enter command.
Default: 0
Min: 0
Max: 1
564
H5-12
(43
DH)
Run Command
Method Selection
0: FWD/Stop, REV/Stop
1: Run/Stop, FWD/REV
Default: 0
Min: 0
Max: 1
564
H5-17
(11A1H)
Operation Selection when Unable
to Write into EEPROM
There is normally no need to change this parameter from the default value.
Selects operation when an attempt is made to write data into EEPROM by MEMOBUS/Modbus
communications, when writing into EEPROM is not possible.
0: Cannot write into EEPROM.
1: Write in RAM only.
Default: 0
Min: 0
Max: 1
564
H5-18
(11A2H)
Filter Time Constant for Motor
Speed Monitoring
Sets the filter time constant for monitoring the motor speed from MEMOBUS/Modbus
communications and communication option.
Applicable MEMOBUS/Modbus registers: 3EH, 3FH, 44H, ACH, and ADH
Default: 0 ms
Min: 0 ms
Max: 100 ms
564
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
All Modes
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