Digital i/o, Digital input – Yaskawa SMC–4000 User Manual
Page 17
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7
SMC–4000 User Manual
Digital I/O
Digital Input
Item
Specifications
Number of Input Points
8
Input Format
Sinking
Isolation
Optical
Voltage
24VDC ± 20%
Current Rating (ON)
5.3mA to activate
Input Impedance
2.2k
Ω
Operation Voltage
Logic 0 <5V
Logic 1 >15V
OFF Current
0.9mA or less
Response Time
(Hardware)
OFF to ON: <0.5ms
ON to OFF: <1.5ms
Latch response time
Less than 25µsec
Minimum latch width
9µsec
NOTE: Inputs float high unless the input is held low.
SMC–4000 CN5 Connector
Internal Circuitry
24VDC
2.2K
5
18
31
6
19
32
7
20
Digital Input 1/Latch X
Digital Input 2/Latch Y
Digital Input 3/Latch Z
Digital Input 4/Latch W
Digital Input 5
Digital Input 6
Digital Input 7
Digital Input 8
0VDC
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