Modbus-Related Parameter Settings; Modbus Communication-Related Parameter List - Omron 3G3JX User Manual

4-2 Function Mode

ModBus-Related Parameter Settings

ModBus communication requires the following settings. Be sure to set the parameters shown below.
In case the parameter settings are changed, ModBus communication will not start until the Inverter
is turned ON again, even if "485" is selected with the 485/OPE selector.
The parameters of C070s cannot be changed or set through ModBus communication. Set with the
Digital Operator.

ModBus Communication-Related Parameter List

Parameter No.
A001
4
A002
b089
C070
C071
C072
C074
C075
C076
C077
C078
4-79
Function name
00: Digital Operator (volume)
01: Terminal
Frequency reference
02: Digital Operator (F001)
selection
03: ModBus communication
10: Frequency operation result
01: Terminal
RUN command selection 02: Digital Operator
03: ModBus communication
01: Output frequency monitor
02: Output current monitor
03: Rotation direction monitor
Monitor display selection 04: PID feedback value monitor
05: Multi-function input monitor
06: Multi-function output monitor
07: Frequency conversion monitor
Operator/ModBus 02: Digital Operator
selection 03: ModBus
Communication speed 04: 4800 bps
selection 05: 9600 bps
(Baud rate selection) 06: 19200 bps
Communication station
1 to 32
No. selection
00: No parity
Communication parity
01: Even
selection
02: Odd
Communication stop bit 1: 1 bit
selection 2: 2 bits
00: Trip
01: Trip after deceleration stop
Communication error
02: Ignore
selection
03: Free run
04: Deceleration stop
Communication error
0.00 to 99.99
timeout
Communication wait
0 to 1000
time
Data Default setting Unit
⎯
00
⎯
02
⎯
01
⎯
02
⎯
04
⎯
1.
⎯
00
⎯
1
⎯
02
0.00 s
0. ms