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Appendix B: Modbus Address Notation – AutomationDirect Devices
B-3
Stride MQTT Gateway User Manual, 1st Edition
Reading Input Bits (Function Code 2)
Function Code MQTT Gateway Modbus Address
Data Format
CLICK Address
2
0
1 bit
X1
2
15
X16
2
32
X101
2
47
X116
2
64
X201
2
79
X216
2
96
X301
2
111
X316
2
128
X401
2
143
X416
2
160
X501
2
175
X516
2
192
X601
2
207
X616
2
224
X701
2
239
X716
2
256
X801
2
271
X816
2
45056
T1
2
45555
T500
2
49152
CT1
2
49401
CT250
2
61440
SC1
2
62439
SC1000
Reading Holding Registers (Function Code 3)
Function Code MQTT Gateway Modbus Address
Data Format
CLICK Address
3
0
16 bit (INT) or
1 bit
DS1
3
4499
DS4500
3
24576
DH1
3
25075
DH500
3
45056
TD1
3
45555
TD500
3
16384/16385
32 bit (INT)
DD1
3
18382/18383
DD1000
3
49152/49153
CTD1
3
49650/49651
CTD250
3
57856/57857
YD0
3
57872/87873
YD8
3
28672/28673
32 bit (FP)
DF1
3
29670/29671
DF500