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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
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
OFF to ON
Response time
ON to OFF
1ms or less
Common terminal arrangement 4 points/common (Common contact: COM1)
Indicates to display None
2) Interface between input signal/mark detection input signal
Pin No. Input or
output
Signal name
1 2 3 4
Wiring
example
Internal circuit Description
DI
(Note-1)
3 28 4 29
Input
Input/
Mark detection
signal input
COM1
5
30
Signal input,
Mark detection
signal input
(Note-1): =1 to 4
(Note-2): As for the 24VDC sign, both "+" and "-" are possible.
24VDC
(Note-2)
+-