User's Guide

7
2.3 Internal Interfaces
DIP Switch:
Interface
DIP Switch
Power Output
12V: 1 on 2 off 3 off
9V: 1 off 2 on 3 off
5V: 1 off 2 off 3 on
Analog Input
4-20mA ADC: 1 off 2 on 3 on
0-10V ADC: 1 on 2 off 3 off
RS485
Add 120 Ω resistor between A and B: 1 on 2 off 3 off
Add 1k Ω pull-up resistor on A: 1 off 2 on 3 off
Add 1k Ω pull-down resistor on B: 1 of 2 off 3 on
Note:
1) Analog inputs are set to 4-20mA by default, power outputs are set to 12V by default.
2) Power output on interface 1 is used for powering analog devices, power output on interface 2
is used for powering serial port devices.
Power Button:
Function
Action
LED Indication
Turn On
Press and hold the button for more than 3s.
Off →
Turn Off
Press and hold the button for more than 3s.
→ Off
Reset
Press and hold the button for more than 10s.
Blinks.
Check
On/Off Status
Quickly press the power button.
: Device is on.
Light Off: Device is off.