Automation Direct Stride SGW-MQ1611, User Manual, Page: 44 / 60

Appendix B: Modbus Address Notation – AutomationDirect Devices
Stride MQTT Gateway User Manual, 1st Edition
B-4
DirectLogic PLCs
Reading Coils (Function Code 1)
Function Code MQTT Gateway Modbus Address Data Format DirectLogic Address
1 0
1 bit
GY0
1 2047 GY3777
1 2048 Y0
1 3071 Y1777
1 3072 C0
1 5119 C3777
1 5120 S0
1 6143 S1777
1 6144 T0
1 6399 T377
1 6400 CT0
1 6655 CT377
Reading Input Bits (Function Code 2)
Function Code MQTT Gateway Modbus Address Data Format DirectLogic Address
2 0
1 bit
GX0
2 2047 GX3777
2 2048 X0
2 3071 X1777
2 3072 SP0
2 3583 SP777
Reading Input Registers (Function Code 4)
Function Code MQTT Gateway Modbus Address Data Format DirectLogic Address
4 0
16 bit (INT) or
1 bit
V0
4 17055 V41237
4 0/1
32 bit (INT)
V0/V1
4 1/2 V1/V2
4 17054/17055 V41236/V41237
4 0/1
32 bit (FP)
V0/V1
4 1/2 V1/V2
4 17054/17055 V41236/V41237
Reading Holding Registers (Function Code 3)
Function Code MQTT Gateway Modbus Address Data Format DirectLogic Address
3 0
16 bit (INT) or
1 bit
V0
3 17055 V41237
3 0/1
32 bit (INT)
V0/V1
3 1/2 V1/V2
3 17054/17055 V41236/V41237
3 0/1
32 bit (FP)
V0/V1
3 1/2 V1/V2
3 17054/17055 V41236/V41237