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MELSEC-A
3 SPECIFICATIONS AND FUNCTIONS
3.5 Specifications of interfaces with external devices
3.5.1 Electrical specifications of input signals
Signal name
Rated input
voltage/current
Working
voltage range
ON
voltage/current
OFF
voltage/current
Input
resistance
Response
time
5VDC/5mA
4.5 to 6.1VDC
2.5VDC or more/
3.5mA or more
1VDC or less/
0.1mA or less
Approx. 1.5k
Ω
1ms or less
1) Pulse width
4ms or more
2ms or more
2ms
or more
(Duty ratio 50%)
2) Phase difference
Manual pulse
generator A phase
(PULSE
GENERATOR A)
Manual pulse
generator B phase
(PULSE
GENERATOR B)
A phase
B phase
1ms or more
When the A phase has advanced more than the
B phase, the positioning address (current value)
increases.
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)
24VDC/5mA
19.2 to
26.4VDC
17.5VDC or more/
3.5mA or more
7VDC or less/
1.7mA or less
Approx. 4.7k
Ω
4ms or less
Summary of Contents for A1SD75M1
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Page 52: ...2 10 MELSEC A 2 SYSTEM CONFIGURATION MEMO...
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Page 332: ...7 18 MELSEC A 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
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Page 422: ...9 64 MELSEC A 9 MAIN POSITIONING CONTROL MEMO...
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Page 472: ...11 26 MELSEC A 11 MANUAL CONTROL MEMO...
Page 576: ...12 104 MELSEC A 12 CONTROL AUXILIARY FUNCTIONS MEMO...
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