GW Instek PEL-3021 - Alarm Status; Short Control

PEL-3000(H) User Manual
184
PEL-3000(H)
Switch
Analog
connector
12
10
+5V
A COM
10kΩ
Alarm Status
Description
Pins 16 and 17 of the J1 connector are used to
monitor whether the alarm is on or off.
Pin out
The Alarm Status pin is a
photo-coupled open-
collector output.
17
16
Photocoupler input: 30V max, 8mA, max.
Short Control
Description
The Short Signal Out pins (19 and 20) are 30VDC
1A relay contact outputs. These outputs can be
used to drive an external relay to physically short
the terminal outputs.
Pin Inputs
The Short Signal Out pins are normally open until
the short function is activated.