23
7.
Modbus Communication Data Correspondence List
There are some difference of Modbus Communication Coil Number and Register Number between 3G3JX
and 3G3MX2-V1.
Adjust the program of the host controller after referring to the table below and check the
operation. In addition, be sure to refer to the user's manuals for each inverter.
7.1.
Coil Number
3G3JX
Coil No. Coil No. Modbus coil
spec. No.
RUN command
1: Run
0: Stop (Enabled when A002
= 03)
0001h
0001h
0000h
Rotation direction command
1: Reverse
0: Forward (Enabled when
A002 = 03)
0002h
0002h
0001h
External Trip (EXT)
1: Trip
0003h
0003h
0002h
Trip reset (RS)
1: Reset
0004h
0004h
0003h
Multi-function Input 1
0007h
0007h
0006h
Multi-function Input 2
0008h
0008h
0007h
Multi-function Input 3
0009h
0009h
0008h
Multi-function Input 4
000Ah
000Ah
0009h
Multi-function Input 5
000Bh
000Bh
000Ah
Operation status
1: Run
0: Stop (Interlocked with
d003)
000Eh
000Fh
000Eh
RUN direction
1: Reverse
0: Forward (Interlocked with
d003)
000Fh
0010h
000Fh
Inverter ready
1: Ready
0: Not ready
0010h
0011h
0010h
AL (Alarm signal)
1: ON
0: OFF
0014h
0018h
0017h
OD (Excessive PID deviation)
0015h
0017h
0016h
OL (Overload warning)
0016h
0016h
0015h
FA2 (Set frequency exceeded
signal)
0017h
0015h
0014h
FA1 (Constant speed arrival
signal)
0018h
0014h
0013h
RUN (During RUN)
0019h
0013h
0012h
During data write
1: Writing
0: Normal
001Ah
0049h
0048h
CRC error
001Bh
004Ah
0049h
Overrun error
001Ch
004Bh
004Ah
Framing error
001Dh
004Ch
004Bh
Parity error
001Eh
004Dh
004Ch
Checksum error
001Fh
004Eh
004Dh
R
1︓ON
0︓OFF
1: Error
0: No error
Item
R/W
Description
3G3MX
R/W
1︓ON
0︓OFF
