TDK-Lambda GEN 8-400 ABCDE - Sw1 Position Function; Resetting the Sw1 Switch

51
83503001 Rev G
4.4.1. SW1 Position Function
Refer to Table 4-3 for description of SW1 position functions. The factory default setting
is Down for all positions.
Table 4-3: SW1 Positions Functions
Position Function DOWN
(Factory default)
UP
SW1-1
Output Voltage
Remote Analog Programming
Output Voltage
Programmed by Front Panel
Output Voltage
Programmed by remote analog
External Voltage or External Resistor
SW1-2
Output Current
Remote Analog programming
Output Current
Programmed by Front Panel
Output Current
programmed by remote analog
External Voltage or External Resistor
SW1-3
Programming Range Select
(Remote voltage/resistive)
0-5V/(0-5Kohm) 0-10V/(0-10Kohm)
SW1-4
Output Voltage and
Current Monitoring Range
0-5V 0-10V
SW1-5 Shut-Off Logic select
On: High (2-15V) or Open
Off: Low (0-0.6V) or Short
On: High (0-0.6V) or Short
Off: Low (2-15V) or Open
SW1-6 RS232/485 select RS232 interface RS485 interface
SW1-7
Output Voltage
Resistive Programming
Output Voltage
programmed by Front Panel
Output Voltage
programmed by
External resistor
SW1-8
Output Current
Resistive Programming
Output Current Limit
Programmed by Front Panel
Output Current Limit
Programmed by
External Resistor
SW1-9 Enable/Disable control
Rear panel
Enable/Disable control is not
Active
Rear panel
Enable/Disable control is Active
4.4.2. Resetting the SW1 Switch
Before making any changes to the SW1 switch setting, disable the power supply output
by pressing the front panel OUT button. Ensure that the Output Voltage falls to zero
and the OUT LED is off. Then use any small flat-blade screwdriver to change the SW1
switch setting.