Instructions

ASR-2000 Series User Manual
106
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