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Mitsubishi Electric MELSEC-I/OLINK Handbook Page 55

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6
REPLACING THE I/O MODULES
Specifications
output specifications
Number of output points
External output ↔ Internal circuit:
Insulation method
Internal circuit ↔ Transmission circuit:
Output type
24VDC 2A (resistance load)/point
Rated load voltage/current
240VAC 2A (COS=1)/point
Minimum switching load
Maximum switching voltage
OFF  ON
Response
time
ON  OFF
Mechanical
Rated switching voltage/current load
200VAC 1.5A, 240VAC 1A
Life
(COS=0.7) 100,000 times or more
Electrical
200VAC 1A, 240VAC 0.5A
(COS=0.35) 100,000 times or more
24VDC 1A, 100VDC 0.1A
(L/R=7ms) 100,000 times or more
Maximum switching
frequency
Surge suppressor
Common terminal
arrangement
(2-wire type terminal block)
*1
For the positive common type, use the A20SB-04U.
*2
Check the specifications of the sensors or switches to be connected to the A20SB-04US.
AJ55TB32-4DR
A20PB-04RS output specifications
2 points
External output ↔ Internal circuit: Relay
Photocoupler
Not insulated
Contact output type
4A/common
5VDC 1mA
250VAC 110VDC
10ms or less
12ms or less
20 million times or more
100,000 times or more
3,600 times/hour
None
2 points per common
4 points
Internal circuit ↔ Transmission circuit:
Photocoupler
Contact output type
30VDC 2A (resistance load)/point
220VAC 2A (COS=1)/point
1A (induced load)/point
0.1VDC 0.1mA
(reference value)
250VAC 110VDC
10ms or less
10ms or less
20 million times or more
100,000 times or more
20 times/minute
None
All points independent
(2-wire type terminal block)
Compat-
Precautions for
ibility
replacement
The insulation method is
different.
The rated load voltage and
current are different.
Check the specifications of
the load to be used.
Maximum switching frequency
is different.
Because 2 points per common
is changed to all points
independent, the wiring is
different.
6
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