6
REPLACING THE I/O MODULES
6
- 30
(5) Comparisons between AJ55TB32-16DR and A20SB-08UD + A20PB-08RS
: Compatible,
: Partially changed, ×: Not compatible
*1
For the negative common type, use the A20SB-08USD-1.
*2
Check the specifications of the sensors or switches to be connected to the A20SB-08UD.
Specifications
AJ55TB32-16DR
input specifications
A20SB-08UD input specifications
Compat-
ibility
Precautions for
replacement
Number of input points
8 points
8 points
Insulation method
External input
↔
Internal circuit:
Photocoupler
Internal circuit
↔
Transmission circuit:
Not insulated
External input
↔
Internal circuit: Not insulated
Internal circuit
↔
Transmission circuit:
Photocoupler
The insulated locations are
different.
Input type
Positive/negative common shared type
Positive common type
A negative common type
cannot be used.
*1
Rated input voltage
24VDC
24VDC
Rated input current
Approx. 7mA
Approx. 7mA
Operating voltage range
21.6 to 26.4VDC
(ripple voltage 4Vp-p or less)
21.6 to 27.6VDC
(ripple voltage 0.5Vp-p or less)
Operating voltage range is
different.
Maximum simultaneous on
input point
100%
100%
ON voltage/ON current
14VDC or higher/3.5mA or higher
16VDC or higher/5.5mA or higher
ON voltage and ON current
are increased.
*2
OFF voltage/OFF current
6VDC or lower/1.7mA or lower
8VDC or lower/2mA or lower
OFF voltage and OFF current
are increased.
*2
Input resistance
Approx. 3.3k
Approx. 3.3k
Response
time
OFF
ON
10ms or less
1ms or less
ON
OFF
10ms or less
1ms or less
Common terminal
arrangement
8 points per common
(3-wire type terminal block)
8 points per common
(3-wire type terminal block)
Specifications
AJ55TB32-16DR
output specifications
A20PB-08RS output specifications
Compat-
ibility
Precautions for
replacement
Number of output points
8 points
8 points
Insulation method
External output
↔
Internal circuit:
Photocoupler
Internal circuit
↔
Transmission circuit:
Not insulated
External output
↔
Internal circuit: Relay
Internal circuit
↔
Transmission circuit:
Photocoupler
The insulation method is
different.
Output type
Contact output type
Contact output type
Rated load voltage/current
24VDC 2A (resistance load)/point
240VAC 2A (COS
=1)/point
8A/common
30VDC 2A (resistance load)/point
220VAC 2A (COS
=1)/point
1A (induced load)/point
The rated load current is
different.
Minimum switching load
5VDC 1mA
0.1VDC 0.1mA
(reference value)
Check the specifications of
the load to be used.
Maximum switching voltage
250VAC 110VDC
250VAC 110VDC
Response
time
OFF
ON
10ms or less
10ms or less
ON
OFF
12ms or less
10ms or less
Life
Mechanical
20 million times or more
20 million times or more
Electrical
Rated switching voltage/current load
100,000 times or more
200VAC 1.5A, 240VAC 1A
(COS
=0.7) 100,000 times or more
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
100,000 times or more
Maximum switching
frequency
3,600 times/hour
20 times/minute
Maximum switching frequency
is different.
Surge suppressor
None
None
–
Common terminal
arrangement
8 points per common
(2-wire type terminal block)
All points independent
(2-wire type terminal block)
Because 8 points per common
is changed to all points
independent, the wiring is
different.
Содержание AnyWire DB A20
Страница 1: ...Transition from MELSEC I OLINK to AnyWire DB A20 Handbook Feb 2017 Edition ...
Страница 2: ......
Страница 27: ...4 REPLACING THE MASTER MODULE 4 2 Memo ...
Страница 76: ...APPX 3 Memo ...
Страница 79: ......