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Mitsubishi Electric MELSEC-I/OLINK Handbook Page 59

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6
REPLACING THE I/O MODULES
Specifications
Operation indicator
External wiring method
Transmission circuit included
Applicable wire size
Applicable crimping
terminal
Voltage
Ripple voltage 4Vp-p or less
External
power
supply
Current
(24VDC TYP. all points ON)
Voltage
I/O module
power
supply
Current
External dimensions
50(H) × 114(W) × 66(D) mm
Installation method
Weight
AJ55TB32-8DR
ON indication (LED)
10-point terminal
24-point terminal block
(M3 screw)
Transmission circuit
2
(when the following applicable crimping
0.75 to 2mm
1.25-3, 1.25-YS3A,
2-S3, 2-YS3A
V1.25-3, V1.25-YS3A,
V2-S3, V2-YS3A
24VDC ± 10%
23mA
15.6 to 27.6VDC
50mA
40(H) × 65(W)
Screw mounted
Mounted to DIN rail
0.3kg
: Compatible,
A20SB-04U
A20PB-04RS
ON indication (LED)
20-point terminal
block
block
(M3 screw)
(M3 screw)
Transmission circuit
included
included
2
0.3 to 1.25mm
2
terminals are used: 0.75 to 2mm
)
2
For wire sizes 0.75 to 2mm
R2-3SL, RAV2-3SL, RAP2-3SL,
VD2-3S, VD2-3.5SS, VD2-3.5S,
VDAV2-3.5SS, VDAV2-3.5S
21.6 to 27.6VDC
(ripple voltage 0.5Vp-p or less)
50mA
90mA
40(H) × 100(W)
× 60(D) mm
× 60(D) mm
Screw mounted
Mounted to DIN rail
0.09kg
0.14kg
: Partially changed, ×: Not compatible
Compat-
Precautions for replace-
ibility
ment
Wiring must be changed.
Existing wires can be used but
applicable crimping terminals
are different.
For details, refer to Section
6.3.
External power supply for the
A20SB-04U is unnecessary.
The A20PB-04RS external
power supply and the I/O
module power supply are
shared.
Operating voltage range is
different.
Because the current
consumption has increased,
the current capacity must be
reviewed.
The shape is different.
×
A mounting space for two
modules is required.
Because mounting hole size is
×
different, reworking is
required.
The A20SB-04U and A20PB-
04RS can be mounted to the
existing DIN rail.
Be careful about the mounting
dimensions as two modules
are required.
6
- 26

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