User manual

ManualsBrandsTDK-LAMBDA ManualsLaboratory & Bench PSUs19" bench PSU (adjustable voltage) 0 - 20 Vdc 0 - 165 A 1 x RS232, RS485, Ethernet

CHAPTER 7 RS232&RS485 REMOTE CONTROL

7.1 INTRODUCTION

7.2 CONFIGURATION

This chapter describes the operation of the Genesys 3300W power supplies via the serial

communication port. Details of the initial set-up, operation via RS232 or RS485, the command set

and the communication protocol are described in this chapter.

The power supply is shipped with the following setting:

7.2.1 Default setting

-Address:

-Baud-rate:

-RS232/485:

-Vout setting:

-Iout setting:

-Master/Slave

9600

RS232

Maximum

H1 (Master)

-Output:

-Start up mode:

-OVP:

-UVL:

-Foldback:

-Front panel:

Off

Safe start

Maximum

Off

Unlocked (UFP)

7.2.2 Address setting

7.2.3 RS232 or RS485 selection

7.2.4 Baud rate setting

7.2.5 Setting the unit into Remote or Local mode

The power supply address can be set to any address between0and 30. Follow the instructions

described below to set the address.

1. If the unit is in Remote mode (front panel REM/LOC LED illuminates), press REM/LOC

button to put the unit into Local mode.

2. Press and hold for approximately 3sec. the REM/LOC button. The VOLTAGE display will

indicate the communication port address.

3. Using the VOLTAGE adjust encoder, select the address.

To preview the address at any time, press and hold the REM/LOC button for approx. 3sec. The

VOLTAGE display will indicate the power supply address.

To select between RS232 or RS485 set the rear panel setup switch SW1-6 position to:

-Down for RS232

-Up for RS485

Five optional rates are possible: 1200, 2400, 4800, 9600 and 19200. To select the desired rate,

the following steps should be taken:

1. If the unit is in Remote mode (front panel REM/LOC LED illuminates), press REM/LOC

button to put the unit into Local mode.

2. Press and hold for approx. 3sec. the REM/LOC button. The CURRENT display will show

the communication port Baud Rate.

3. Using the CURRENT adjust encoder, select the desired Baud Rate.

1. The 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

OUT nPCn

RMT n

(for n values see Tables 7-3, 7-4, 7-5 and 7-6)