6.2.9 Engine.................................................................................................................................................................................................................................. 37
6.2.10 Maintenance....................................................................................................................................................................................................................40
6.2.11 Password ID.................................................................................................................................................................................................................... 40
6.2.12 Rotary actuator (SGC 421 only)............................................................................................................................................................................. 41
6.3 Digital input source selection...........................................................................................................................................................................................42
6.4 Digital output source selection........................................................................................................................................................................................43
7. Running modes
7.1 Auto mode...................................................................................................................................................................................................................................46
7.2 Manual mode..............................................................................................................................................................................................................................50
7.3 Start and stop sequences...................................................................................................................................................................................................52
8. Load detection
8.1 Load detection in Auto mode........................................................................................................................................................................................... 54
8.2 Load detection in Manual mode......................................................................................................................................................................................54
9. Features
9.1 About Features......................................................................................................................................................................................................................... 55
9.2 Auto config exit mode...........................................................................................................................................................................................................55
9.3 Load histogram........................................................................................................................................................................................................................ 55
10. Alarms
10.1 Alarms.........................................................................................................................................................................................................................................56
11. Modbus communication protocol
11.1 About the Modbus communication protocol.........................................................................................................................................................60
11.2 Modbus connection details............................................................................................................................................................................................. 60
11.3 Modbus functions.................................................................................................................................................................................................................60
12. Modbus communication settings
12.1 Modbus communication settings................................................................................................................................................................................ 61
12.2 Register map (function code 03).................................................................................................................................................................................. 61
12.3 Register map (function code 16).................................................................................................................................................................................. 68
13. Engine communication
13.1 Introduction to engine communication.................................................................................................................................................................... 69
13.2 Default settings......................................................................................................................................................................................................................69
13.3 Supported engines...............................................................................................................................................................................................................69
13.4 Engine values on the display......................................................................................................................................................................................... 69
13.5 Engine communication settings...................................................................................................................................................................................70
13.6 Generic J1939......................................................................................................................................................................................................................... 71
13.7 Wiring.......................................................................................................................................................................................................................................... 72
14. CAN communication
14.1 About the CAN communication protocol................................................................................................................................................................ 73
14.2 CAN communication structure......................................................................................................................................................................................73
14.3 CAN packet structure......................................................................................................................................................................................................... 83
15. Troubleshooting
15.1 Troubleshooting.................................................................................................................................................................................................................... 84
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