Mitsubishi Electric Melsec-Q172DCPU User Manual page 74

2 SYSTEM CONFIGURATION
Number of input points
Input method
Common terminal arrangement
Isolation method
Rated input voltage
Rated input current (I
Operating voltage range
ON voltage/current
OFF voltage/current
Input resistance
Response time
Input or
output
Input
(b) Input signal/Mark detection
1) Specifications of input signal/mark detection input signal
Item
)
IN
OFF to ON
ON to OFF
2) Interface between input signal/mark detection input signal
Signal name
(Note-1)
DI
Input/
Mark detection
signal input
COM
Specifications
Positive common/Negative common shared
4 points/common (Common contact: COM)
21.6 to 26.4VDC
(24VDC 10%, ripple ratio 5% or less)
17.5VDC or more/3.5mA or more
5VDC or less/0.9mA or less
Approx. 5.6k
Pin No. Wiring
example
1 2 3 4
6 5 4 3
1
24VDC
2
(Note-1): =1 to 4
(Note-2): As for the 24VDC sign, both "+" and "-" are possible.
2 - 41
4 points
Photocoupler
24VDC
Approx. 5mA
1ms
Internal circuit
Signal input,
Mark detection
signal input
(Note-2)
Description