6
REPLACING THE I/O MODULES
6
- 21
(2) Comparisons between AJ55TB32-4DR and A20SB-04US + A20PB-04RS
: Compatible,
: Partially changed, ×: Not compatible
Specifications
AJ55TB32-4DR
input specifications
A20SB-04US input specifications
Compat-
ibility
Precautions for
replacement
Number of input points
2 points
4 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
Negative common type
A positive 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/4.5mA or higher
ON voltage and ON current
are increased.
*2
OFF voltage/OFF current
6VDC or lower/1.7mA or lower
6VDC or lower/1mA or lower
OFF current is decreased.
*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
2 points per common
(3-wire type terminal block)
4 points per common
(2-wire type terminal block)
To connect an item such as a
3-wire type sensor, an
external common terminal
block is required.
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: ......