Table of Contents
Advertisement
User Manual
D750
DC Power Supply
4.2.2.3 RS232 or RS485 selection
To select between RS232 or RS485 set the rear panel setup switch SW1-6 position to:
-Down for RS232
-Up for RS485
4.2.2.4 Baud rate setting
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.
4.2.2.5 Setting the unit into Remote or Local mode
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 n PC n
RMT n
(for n values see Tables 4-8, 4-9, 4-10, and 4-11)
2. There are two Remote modes:
1. Remote:
2. Local Lockout:
4.2.2.6 RS232/485 port in Local mode
When the power supply is in local mode, it can receive queries or commands. If a query is
received, the power supply will reply and remain in Local mode. If a command that affects
the output is received, the power supply will perform the command and change to Remote
mode.
56
│ www.deltaww.com
In this mode, return to local can be made by the front panel REM/LOC
or via serial port command RMT 0. Set the unit into Remote mode via
serial port RMT 1 command.
In this mode the unit can be returned to Remote mode via the serial port
RMT 1 command or by turning off the AC power until the display turns
off and then turn it to on again. In Local Lockout mode, the front panel
REM/LOC button is not active. Set the unit into Local Lockout mode via
serial port RMT 2 command.
Advertisement
Table of Contents
