Filter
Top Products
3 - 35
MELSEC-
A
3 SPECIFICATIONS AND FUNCTIONS
3.7 Specifications of input/output interfaces with external devices
3.7.1 Electrical specifications of input/output signals
Input specifications
Signal name
Rated input
voltage/current
Working
voltage range
ON
voltage/current
OFF
voltage/current
Input
resistance
Response
time
Drive unit READY
(READY)
In-position signal
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
4ms or less
Zero point signal
(PG0)
5VDC/5mA 4.5 to 6.1VDC
2.5VDC or more/
2mA or more
0.5VDC or less/
0.5mA or less
Approx. 0.5k
0.8ms or less
24VDC/7mA 12 to 26.4VDC
10VDC or more/
3mA or more
3VDC or less/
0.2mA or less
Approx. 3.5k
0.8ms or less
3
s or less 3
s or less
1ms or more
ON
OFF
Manual pulse
generator A phase
(PULSE
GENERATOR A)
Manual pulse
generator B phase
(PULSE
GENERATOR B)
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
1ms or less
1) Pulse width
4ms or more
2ms or more
2ms
or more
(Duty ratio 50%)
2) Phase difference
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
4ms or less
ABS transmission
data READY
ABS data bit 0
ABS data bit 1
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
4ms or less