8. Connections of I/O Interface
8.3 Connecting with Scan I/O Card
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8.3 Connecting with Scan I/O Card
8.3.1 Outline
The HR347/357 card is the machine operation board input/output card. It has a digital input/output and scan
input/output, and is connected to the machine operation board and other devices.
Item
HR347
HR357
No. of points
64 points
Configuration
8 common × 8 data matrix
Rated voltage
5VDC
Max. current
80mA/point
Input cycle
1.46ms cycle, 11.68ms cycle
Input
Input signal holding time
11.68ms or more (*1)
No. of points
64 points
Configuration
4 common × 8 data + 4 common × 8 data matrix
Rated load voltage
5VDC
Max. output current
200mA/point
Scan
Output
Output cycle
1.46ms cycle, 5.84ms cycle
No. of points
32 points
Type Sink/source
Input voltage at external contact ON
6V or less
18V or more, 25.2V or less
Input current at external contact ON
2mA or less
9mA or more
Input voltage at external contact OFF
20V or more, 25.2V or less
4V or less
Input current at external contact OFF
9mA or more
2mA or less
Tolerable chattering time
2.2ms or less
Input signal holding time
40ms or more
Input circuit operation delay time
2.2ms
≤
T3
T4
≤
11ms
Input
Machine side contact capacity
30V or more, 16mA or more
No. of points
32 points
Rated load voltage
24VDC
Max. output current
60mA/point
Digital
Output
Type Sink
Source
(*1) Input signal holding time: The guide is 11.68ms or more. The input signal will not be recognized unless it is held for the ladder
processing cycle time or longer.