2-3 Wiring „ Mode Selector List 2 Design *1. The PSC terminal I/O will be switched accordingly. Do not switch the selector while the power is being supplied. Doing so may damage the Inverter. *2. When using the 3G3MX Series standard Digital Operator, it can be used regardless of the 485/OPE communications selector. 2-28 Symbol Name Description SR/SK Input logic selector Available to switch the input logic (source or sink) in the multi-function input terminal circuit.*1 SR Source logic SK [factory default] Sink logic 485/OPE RS-485 com- munication/ operator selector Select the mode according to the option connected to the communications connector.
*2 485 ModBus communication OPE [factory default] Digital Operator (Option: 3G3AX-OP01) TM/PRG Frequency reference/ RUN command source selector Switches the source for frequency reference and RUN command of the Inverter. TM Control terminal block (Terminals) Frequency reference: Analog external input (FV, FI) RUN command : Operation using the FW or RV terminal 00 (FW) or 01 (RV) must be allocated to the multi-function input terminals. PRG [factory default] Digital Operator settings (depends on the set values in A001 and A002.) Frequency reference: FREQ adjuster (factory default) Available to change with the frequency reference selection (A001). RUN command :
Digital Operator (factory default) Available to change with the RUN command selection (A002).