ABB LVS Digital Manual page 4

7.7.3.
8. Function Codes ........................................................................................................................ 44
8.1. Message Format ....................................................................................................................... 44
8.1.1.
8.1.2.
8.2. Function Code 02 - Read Input Status ................................................................................. 45
8.3. Function Code 03 - Read Holding Registers ....................................................................... 45
8.4. Function Code 04 - Read Input Registers ........................................................................... 45
8.5. Data Presentation for Function Code 03 and 04 ............................................................... 46
8.6. Function Code 06 - Preset Single Register ......................................................................... 46
8.7. Function Code 08 - Preset Single Register ......................................................................... 46
8.8. Function Code 16 - Preset Multiple Register ...................................................................... 47
8.9. Restrictions ................................................................................................................................ 47
8.9.1.
8.9.2.
8.10. Exception Code Handling........................................................................................................ 48
9. Data Mapping ........................................................................................................................... 49
9.1. User Data Map ........................................................................................................................... 49
9.2. Default Data Map ...................................................................................................................... 49
9.2.1.
9.2.2.
9.2.3.
9.2.4.
9.2.5.
9.2.6.
9.2.7.
9.2.8.
9.2.9.
10. Troubleshooting and Maintenance ........................................................................................ 65
10.1. Digital Gateway LED Indication ............................................................................................. 65
10.2. Troubleshooting........................................................................................................................ 68
I I
Confirm operation .................................................................................................. 43
Query Messages ...................................................................................................... 44
Response Messages ............................................................................................... 44
General....................................................................................................................... 47
Modbus RTU ............................................................................................................. 47
Monitoring (Inputs from M10x)............................................................................ 49
Monitoring with Function Code 02 ..................................................................... 50
Monitoring with Function Code 03 and 04 ....................................................... 55
Extended Status Description ............................................................................... 56
Control Commands ................................................................................................. 59
Switching Commands ............................................................................................ 60
-
Switching Commands
Redundant Digital Gateway Modbus Data ........................................................ 62
Control Access ......................................................................................................... 63
Bit Control ...................................................................... 61
TA BLE O F CO NT ENTS