Mitsubishi MELSEC-Q QD77MS, Руководство пользователя

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Chapter 3 Specifications and Functions
3.4 Specifications of interfaces with external devices
3.4.1 Electrical specifications of input signals
(1) External input signals
(a) Specifications of external input signals
Item Specifications
Signal name
Upper limit signal
Lower limit signal
STOP signal
Near-point dog signal
External command signal/
Switching signal
Number of input points 4 points each
Input method Positive common/Negative common shared
Common terminal arrangement 4 points/common (Common contact: COM)
Isolation method Photocoupler
Rated input voltage 24VDC
Rated input current (I
IN
) Approx. 5mA
Operating voltage range
19.2 to 26.4VDC
(24VDC +10/-20%, ripple ratio 5% or less)
ON voltage/current 17.5VDC or more/3.5mA or more
OFF voltage/current 7VDC or less/1.0mA or less
Input resistance Approx. 6.8k
OFF to ON
Response time
ON to OFF
4ms or less 1ms or less
(2) Forced stop input
(a) Specifications of forced stop input signal
Item Specifications
Number of input points 1 point
Input method Positive common/Negative common shared
Common terminal arrangement 1 point/common (Common contact: EMI.COM)
Isolation method Photocoupler
Rated input voltage 24VDC
Rated input current (I
IN
) Approx. 5mA
Operating voltage range
19.2 to 26.4VDC
(24VDC +10/ -20%, ripple ratio 5% or less)
ON voltage/current 17.5VDC or more/3.5mA or more
OFF voltage/current 7VDC or less/1mA or less
Input resistance Approx. 6.8k
OFF to ON
Response time
ON to OFF
4ms or less