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Shenzhen King Pigeon Hi-Tech Co.,LED
Ver 1.2
PLC Data acquisition protocol conversion gateway
-D225
Appendix Mapping address of PLC register
This device supports Mitsubishi PLC and Siemens PLC protocol conversion to Modbus protocol
function, and can collect and map PLC data to the device through RS485/RS232. The following is a
table of various PLC mapping registers;
Modbus address mapped by Mitsubishi FX-3U register
PLC Register type
PLC data range
Type of data Device
Mapping
address
Support
function code
Input contact X
X0~X377
On-off type
0~255
01
Output contact Y
Y0~Y377
On-off type
5000~5255
01
、
05
Timer contact TS
T0~T511
On-off type
10000~10511
01
、
05
Counter contact CS
C0~C255
On-off type
12000~12255
01
、
05
State relay S
S0~S4095
On-off type
14000~18095
01
、
05
auxiliary relay M
M0~M7679
On-off type
34000~41679
01
、
05
Special Relay SM
M8000~M8511
On-off type
54000~54511
01
Timing register T
T0~T511
numeric
type
0-511
03
、
06
Counter register C
C0~C199
numeric
type
2000-2199
03
、
06
Counter register
（
32 bit
）
C200~C255
numeric
type
52000~52111
03
、
06
Register D
D0~D7999
numeric
type
4000-11999
03
、
06
Special register SD
D8000-D8511
numeric
type
16000-16511
03
Extension register R
R0~R32767
numeric
type
18000~50767
03
、
06
Regsiter D(for 32 bit use)
D0-D7999
numeric
type
54000-61999
03
、
06
Note: In order to be compatible with all PLC types of Mitsubishi, a maximum of 32 mapping
addresses can be collected at a time for various registers
Modbus address mapped by Mitsubishi Fx-2N register:
PLC Register type
Type of data
Type
of
data
Device Mapping
address
Support
function code
Input contact X
X0~X377
On-off
type
0~255
01
