6
REPLACING THE I/O MODULES
6
- 38
(9) Comparisons between AJ55TB32-16DT and A20XB-16UD
: Compatible,
: Partially changed, ×: Not compatible
*1
Check the specifications of the sensors or switches to be connected to the A20XB-16UD.
Specifications
AJ55TB32-16DT
input specifications
A20XB-16UD 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 common type
Positive common type
Rated input voltage
24VDC
24VDC
Rated input current
Approx. 7mA
Approx. 7mA
Operating voltage range
19.2 to 26.4VDC
(ripple ratio within 5%)
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/5mA or higher
ON voltage and ON current
are increased.
*1
OFF voltage/OFF current
6VDC or lower/1.7mA or lower
8VDC or lower/1.5mA or lower
OFF voltage is increased and
OFF current is decreased.
*1
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
AJ55TB32-16DT
output specifications
A20XB-16UD output specifications
Compati-
bility
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: Not insulated
Internal circuit
↔
Transmission circuit:
Photocoupler
The insulated locations are
different.
Output type
Sink type
Sink type
Rated load voltage
24VDC
24VDC
Operating load voltage
range
19.2 to 26.4VDC
(peak voltage 26.4VDC)
21.6 to 27.6VDC
(ripple voltage 0.5Vp-p or less)
Operating voltage range is
different.
Maximum load current
0.5A/point
4A/common
0.2A/point
1.6A/common
The maximum load current per
point has decreased. Check
the specifications of the load to
be used.
Maximum inrush current
4A, 10ms or less
500mA or lower
Inrush current is decreased.
Check the specifications of the
load to be used.
Leakage current at OFF
0.1mA or lower
0.1mA or lower
Maximum voltage drop at
ON
0.9VDC or lower (TYP.) 0.5A
1.5VDC or lower (MAX.) 0.5A
1V or lower
Check the specifications of the
load to be used.
Response
time
OFF
ON
2ms or less
1ms or less
ON
OFF
2ms or less (resistance load)
1ms or less
External
power supply
Voltage
19.2 to 26.4VDC
–
–
The A20XB-16UD external
power supply and the I/O
module power supply are
shared.
Current
60mA
(24VDC TYP. per common)
–
–
Surge suppressor
Zener diode
None
×
The surge suppressor is not
built-in.
Common terminal
arrangement
8 points per common
(2-wire type terminal block)
8 points per common
(2-wire type terminal block)
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: ......