Mitsubishi Electric Q170MSCPU-S1 - Page 66

2 - 35
2 SYSTEM CONFIGURATION
(b) Input signal/Mark detection
1) Specifications of input signal/mark detection input signal
Item Specifications
Number of input points 4 points
Input method Positive common/Negative common shared
Common terminal arrangement 4 points/common (Common contact: COM1)
Isolation method Photocoupler
Rated input voltage 24VDC
Rated input current (IIN) Approx. 5mA
Operating voltage range
21.6 to 26.4VDC
(24VDC
10%, ripple ratio 5% or less)
ON voltage/current 17.5VDC or more/3.5mA or more
OFF voltage/current 5VDC or less/0.9mA or less
Input resistance Approx. 5.6k
Response time
OFF to ON
1ms
ON to OFF
2) Interface between input signal/mark detection input signal
Input or
output
Signal name
Pin No.
Wiring
example
Internal circuit Description
1 2 3 4
Input
Input/
Mark detection
signal input
DI
(Note-1)
16 3 17 4
Signal input,
Mark detection
signal input
COM1 15
(Note-1): =1 to 4
(Note-2): As for the 24VDC sign, both "+" and "-" are possible.
24VDC
(Note-2)