YASKAWA LA500 - H5: Memobus;Modbus Communication

12.6 H: Terminal Function Selection
322 YASKAWA SIEPYEULA5001C LA500 Technical Manual
■ H4-03: Terminal AM Analog Output Bias
No.
(Hex.)
Name Description
Default
(Range)
H4-03
(041F)
RUN
Expert
Terminal AM Analog
Output Bias
Sets the bias of the monitor signal that is sent from MFAO terminal AM.
0.0%
(-999.9 - +999.9%)
The analog signal output from the AM terminal is a maximum of 10 V (or 20 mA). Use H4-07 [Terminal AM
Signal Level Select] to set the signal level.
◆ H5: Memobus/Modbus Communication
H5 parametersconfigure the drive to use MEMOBUS/Modbus communications.
You can use the MEMOBUS/Modbus protocol over the RS-485 port (terminals D+ and D-) in the drive to use
serial communication with programmable controllers (PLC).
■ H5-01: Drive Node Address
No.
(Hex.)
Name Description
Default
(Range)
H5-01
(0425)
Drive Node Address
Sets the communication slave address for drives.
1FH
(0 - FFH)
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.
To enable the drive to communicate with the controller (master) over MEMOBUS/Modbus communications, you
must set the drive with a slave address. Set H5-01 ≠ 0.
Set a node address that is different from the master and other slave devices.
■ H5-02: Communication Speed Selection
No.
(Hex.)
Name Description
Default
(Range)
H5-02
(0426)
Communication Speed
Selection
Sets the communications speed for MEMOBUS/Modbus communications.
3
(0 - 8)
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
■ H5-03: Communication Parity Selection
No.
(Hex.)
Name Description
Default
(Range)
H5-03
(0427)
Communication Parity
Selection
Sets the communications parity used for MEMOBUS/Modbus communications.
0
(0 - 2)
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
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV