Communication Mode - Xinje XMP2-32 series Operating Manual

FD8226:
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3-4-3 Communication mode

Modbus communication
XMP series product support master and slave mode of Modbus communication protocol.
Master format: When PLC is set to be master station, PLC sends request to other slave station
devices via Modbus instructions, other devices respond to the master station.
Slave format: When PLC is set to be slave station, it can only respond to other master devices.
The defaulted status of XMP is Modbus slave mode.
Communication address
The internal soft unit's numbers of XMP are corresponded with Modbus station address numbers,
please see the following table:
Coil space: ( Modbus address prefix is " 0x " )
Bit component
address
M0~M7999
X0~X1037(octal)
Y0~Y1037(octal)
S0~S1023
M8000~M8511
T0~T618
C0~C634
Register space: ( Modbus address prefix is " 4x " )
10 9 8 7 6
Reserved
Modbus address
( decimal K )
0~7999 0~1F3F
16384~16927 4000~421F
18432~18975 4800~4A1F
20480~21503 5000~53FF
24576~25087 6000~61FF
25600~26218 6400~666A
27648~28282 6C00~6E7A
5 4 3 2
Modbus address
( hex H )
1 0
0ÿ 8 bits communication
1ÿ 16 bits communication
0: without start symbol
1: with start symbol
0ÿ without end symbol
1ÿ with end symbol