Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 49)

Using Modbus/TCP Function Codes 4-13
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
Table 4.L Register Addresses to Read Datalinks
All 16-bit parameter values will appear in the Lo Word of an assigned
Datalink Out.
Writing Datalinks
Use the register addresses in Table 4.M to write to Datalinks using Function
Code 16 or 23.
Table 4.M Register Addresses to Write Datalinks
Any Datalink In can also be read using Function Code 03 or 23.
Register
Address Description Detail
10025 Datalink A1 Out Lo Word
10026 Hi Word
10027 Datalink A2 Out Lo Word
10028 Hi Word
10029 Datalink B1 Out Lo Word
10030 Hi Word
10031 Datalink B2 Out Lo Word
10032 Hi Word
10033 Datalink C1 Out Lo Word
10034 Hi Word
10035 Datalink C2 Out Lo Word
10036 Hi Word
10037 Datalink D1 Out Lo Word
10038 Hi Word
10039 Datalink D2 Out Lo Word
10040 Hi Word
Register
Address Description Detail
10005 Datalink A1 In Lo Word
10006 Hi Word
10007 Datalink A2 In Lo Word
10008 Hi Word
10009 Datalink B1 In Lo Word
10010 Hi Word
10011 Datalink B2 In Lo Word
10012 Hi Word
10013 Datalink C1 In Lo Word
10014 Hi Word
10015 Datalink C2 In Lo Word
10016 Hi Word
10017 Datalink D1 In Lo Word
10018 Hi Word
10019 Datalink D2 In Lo Word
10020 Hi Word