Specifications Of Interfaces With External Devices; Electrical Specifications Of Input Signals - Mitsubishi A1SD75M3 User Manual

3 SPECIFICATIONS AND FUNCTIONS

3.5 Specifications of interfaces with external devices

3.5.1 Electrical specifications of input signals

Signal name
1) Pulse width
Manual pulse
generator A phase
(PULSE
GENERATOR A)
Manual pulse
generator B phase
(PULSE
2) Phase difference
GENERATOR B)
Near-point dog signal
(DOG)
Stop signal (STOP)
Upper limit signal
(FLS)
Lower limit signal
(RLS)
External start signal
(STRT)
Speed/position
changeover signal
(CHG)
Rated input Working
voltage/current voltage range
5VDC/5mA 4.5 to 6.1VDC
4ms or more
2ms
or more
2ms or more
(Duty ratio 50%)
A phase
B phase
1ms or more
19.2 to
24VDC/5mA
26.4VDC
ON
voltage/current voltage/current
2.5VDC or more/ 1VDC or less/
3.5mA or more 0.1mA or less
When the A phase has advanced more than the
B phase, the positioning address (current value)
increases.
17.5VDC or more/ 7VDC or less/
3.5mA or more 1.7mA or less
3 - 15
MELSEC-A
OFF Input
resistance
Approx. 1.5kΩ 1ms or less
Approx. 4.7kΩ 4ms or less
Response
time