YASKAWA LA500 - H5: Modbus Communication

11.8 H: Terminal Functions
254 YASKAWA SIEPYEULA5001C LA500 Technical Manual
◆ H5: Modbus Communication
No.
(Hex.)
Name Description
Default
(Range)
Ref.
H5-01
(0425)
Drive Node Address
Sets the communication slave address for drives.
Note:
• Re-energize the drive or set H5-20 = 1 [Communication Parameters Reload =
Reload Now] after you change the parameter setting.
• Setting 0 will not let the drive respond to MEMOBUS/Modbus communications.
1FH
(0 - FFH)
322
H5-02
(0426)
Communication Speed
Selection
Sets the communications speed for MEMOBUS/Modbus communications.
Note:
Re-energize the drive or set H5-20 = 1 [Communication Parameters Reload =
Reload Now] after you change the parameter setting.
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
3
(0 - 8)
322
H5-03
(0427)
Communication Parity
Selection
Sets the communications parity used for MEMOBUS/Modbus communications.
Note:
Re-energize the drive or set H5-20 = 1 [Communication Parameters Reload =
Reload Now] after you change the parameter setting.
0 : No parity
1 : Even parity
2 : Odd parity
0
(0 - 2)
322
H5-04
(0428)
Communication Error
Stop Method
Sets the motor Stopping Method when the drive detects CE [MEMOBUS/Modbus
Communication Err] issues.
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast Stop (Use C1-09)
3 : Alarm Only
3
(0 - 3)
323
H5-05
(0429)
Comm Fault Detection
Selection
Sets the function that detects CE [Modbus Communication Error] issues during
MEMOBUS/Modbus communications.
0 : Disabled
1 : Enabled
1
(0, 1)
323
H5-06
(042A)
Drive Transmit Wait
Time
Sets the time to wait to send a response message after the drive receives a command
message from the master.
Note:
Restart the drive after changing the parameter setting.
5 ms
(0 - 65 ms)
323
H5-09
(0435)
CE Detection Time
Sets the detection time for CE [Modbus Communication Error] issues when
communication stops.
2.0 s
(0.0 - 25.0 s)
323
H5-10
(0436)
Modbus Register 0025H
Unit Sel
Sets the unit of measure used for the MEMOBUS/Modbus communications monitor
register 0025H (output voltage reference monitor).
0 : 0.1 V units
1 : 1 V units
0
(0, 1)
324
H5-11
(043C)
RUN
Comm ENTER
Command Mode
Sets the function to make the Enter command necessary to change parameters through
MEMOBUS/Modbus communications.
0 : ENTER Command Required
1 : ENTER Command Not Required
0
(0, 1)
324
H5-12
(043D)
Run Command Method
Selection
Sets the input method for the Run command when b1-02 = 2 [Run Command Selection
1 = Memobus/Modbus Communications] or b1-16 = 2 [Run Command Selection 2 =
Memobus/Modbus Communications].
0 : FWD/Stop, REV/Stop
1 : Run/Stop, FWD/REV
0
(0, 1)
324
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV