FAQ:PM74 Option Switches
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The PM74 has several options available via their Option Switches.
- OpSw 1 – 4 change their respective districts to auto reverse mode
- OpSw 7 lowers trip current
- OpSw 8 increases trip current, overriding OpSw 7
- OpSw 11 disables Block Occupancy detection and messages
- OpSw 12 disables Transponding
- OpSw 13 mutes Power messages to LocoNet.
- OpSw 40 - Factory Reset
- OpSw 41 controls the behaviour of LED indicators
Over Current Trip Settings
- OpSw 7: When Closed, trip point is at 3A, OpSw 8 is ignored
- OpSw 8: When Closed, trip point is at 6A, OpSw 7 is ignored
- When both OpSw 7 and 8 are Thrown, trip point is at 4A
- This is the factory default