TDK-Lambda Genesys User Manual

Also see for Genesys Series: User manual User manual Instruction manual Instruction manual Manual

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TDK-Lambda Genesys User Manual Manual pdf 84 page image

7883532002 Rev C8.2.5. Setting the Unit into Remote or Local ModeThe unit will be put into Remote mode only via serial communication command.Commands that will put the unit into Remote mode are:RST PV n RMT nOUT n PC n(for values of “n”, see Tables 7-4, 7-5 and 7-6)There are two Remote modes:a) Remote: In this mode, return to Local can be made by the front panel REM/LOCbutton or via serial port command “RMT 0”. Set the unit into Remote mode via theserial port “RMT 1” command.b) Local Lockout: In this mode the unit can be returned to Remote mode via the serialport “RMT 1” command or by turning off the AC Input power (until the Front Paneldisplay turns off) and then recycling AC Input power. In local Lockout mode, the frontpanel REM/LOC button is not active. Set the unit into Local Lockout mode via theserial port “RMT 2” command.8.2.6. RS-232/RS-485 Port in Local ModeWhen the Power Supply is in Local mode, it can receive queries or commands. If a queryis received, the Power Supply will reply and remain in Local mode. If a command thataffects the output is received, the Power Supply will perform the command and change toRemote mode.8.2.7. Front Panel in Remote ModeFront panel control in Remote mode is disabled except for:1. PREV: use to preview the Output voltage and Output current limit setting.2. OVP/UVL: use to preview the OVP/UVL settings.3. LOC/REM: use to set the unit into Local mode.In Local Lockout mode, only the PREV and OVP/UVL Front Panel functions are active.8.3. Rear Panel RS-232/RS-485 ConnectorThe RS-232/RS-485 interface is accessible through the rear panel RS-232/RS-485 IN andRS-485 OUT connectors (8-contact RJ-45). The IN and OUT connectors are used to connectpower supplies in a RS-232 or RS-485 daisy-chain to a controller. Refer to Fig. 8-1 for theIN/OUT connectors.NCNCRXNC NCTXDRXDTXDRXDRXDTXDRXDTXDSGSG----++++TXOUT IN8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 Shield(connector enclosure)Fig 8-1: Rear panel J3 IN/OUT connectors pinoutTx and Rx are used for RS-232 communication. Txd +/- and Rxd +/- are used for RS-485communication. Refer to the RS-232 and RS-485 cable descriptions for connection details.