6
REPLACING THE I/O MODULES
6
- 33
: Compatible,
: Partially changed, ×: Not compatible
Specifications
AJ55TB32-16DR
A20SB-08USD-1
A20PB-08RS
Compat-
ibility
Precautions for
replacement
Operation indicator
ON indication (LED)
ON indication (LED)
External wiring method
40-point terminal block
(M3 screw)
Transmission circuit included
30-point terminal
block
(M3 screw)
Transmission circuit
included
30-point terminal
block
(M3 screw)
Transmission circuit
included
Wiring must be changed.
Existing wires can be used but
applicable crimping terminals
are different.
For details, refer to Section
6.3.
Applicable wire size
0.75 to 2mm
2
0.3 to 1.25mm
2
(when the following applicable crimping
terminals are used: 0.75 to 2mm
2
)
Applicable crimping
terminal
1.25-3, 1.25-YS3A,
2-S3, 2-YS3A
V1.25-3, V1.25-YS3A,
V2-S3, V2-YS3A
For wire sizes 0.75 to 2mm
2
R2-3SL, RAV2-3SL, RAP2-3SL,
VD2-3S, VD2-3.5SS, VD2-3.5S,
VDAV2-3.5SS, VDAV2-3.5S
External
power
supply
Voltage
24VDC ± 10%
Ripple voltage 4Vp-p or less
–
–
–
External power supply for the
A20SB-08UDS-1 is
unnecessary.
The A20PB-08RS external
power supply and the I/O
module power supply are
shared.
Current
45mA
(24VDC TYP. all points ON)
–
–
–
I/O module
power
supply
Voltage
15.6 to 27.6VDC
21.6 to 27.6VDC
(ripple voltage 0.5Vp-p or less)
Operating voltage range is
different.
Current
70mA
117mA
104mA
Because the current
consumption has increased,
the current capacity must be
reviewed.
External dimensions
50(H) × 177(W) × 66(D) mm
40(H) × 140(W)
× 60(D) mm
40(H) × 140(W)
× 60(D) mm
×
The shape is different.
A mounting space for two
modules is required.
Installation method
Screw mounted
Screw mounted
×
Because mounting hole size is
different, reworking is
required.
Mounted to DIN rail
Mounted to DIN rail
The A20SB-08USD-1 and
A20PB-08RS can be mounted
to the existing DIN rail.
Be careful about the mounting
dimensions as two modules
are required.
Weight
0.4kg
0.25kg
0.2kg
The weight is increased.
Summary of Contents for AnyWire DB A20
Page 1: ...Transition from MELSEC I OLINK to AnyWire DB A20 Handbook Feb 2017 Edition ...
Page 2: ......
Page 27: ...4 REPLACING THE MASTER MODULE 4 2 Memo ...
Page 76: ...APPX 3 Memo ...
Page 79: ......