GW Instek ASR-2000 Series, User Manual

Page: 110 / 224

ASR-2000 Series User Manual
110
Using External Control I/O
Overview
The External Control I/O is primarily used to
control ASR-2000 externally by using the logic
signal. More than that, it is able to monitor
Sequence function status remotely with ease.
Specification
Control
input 
High level: +2.2 V or higher

Low level: +1.0 V or lower

Non-destructive maximum input: +7 V
/ -5 V

Input Impedance: Pulled up to
+5 V with 47 kΩ
Status
output 
Output level: 0 / +5 V

Output Impedance: 100
Ω
Pin Assignment
Check the table below for definition of each pin.
Pin No. I/O Function Remark
1 Output Power source on/off status 0: OFF, 1: On
2 Output The output on/off status 0: OFF, 1: On
3 Output IRMS / IPK / Power Limit 0: OFF, 1: On
4 Output Software busy status 0: Normal, 1: Busy
5 Output Sequence sync output 0
6 Output Sequence sync output 1
7 Output Undefined output 0
8 Output Undefined output 1
9 GND
10 Input Undefined input 0
11 Input Output off Falling edge detection
12 Input Output on Falling edge detection
13 Input Sequence start Falling edge detection
14 Input Sequence stop Falling edge detection
15 Input Sequence hold Falling edge detection
16 Input Sequence branch 1 Falling edge detection
17 Input Sequence branch 2 Falling edge detection
18 GND
19 Output +5 V 50 mA or less