# Opcode: PLOC
# Priority: Normal
# Services: DCC_CAB or DCC_CMD
# Parameters: Session (1 bytes), Addr (2 bytes), Speed/Dir (1 bytes), Fn1 (1 bytes) Function byte F0-F4, Fn2 (1 bytes) Function byte F5-F8, Fn3 (1 bytes) Function byte F9-F12
# Conditions: 
# Direction: From command station
# States / Modes: 
# Result: