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Mitsubishi Electric MELSEC-I/OLINK Handbook Page 35

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6
REPLACING THE I/O MODULES
I/OLINK series model
Product
Model name
AJ55TB3-16D
(when positive common
type is used)
Input module
AJ55TB3-16D
(when negative common
type is used)
AJ55TB2-4R
AJ55TB2-8R
AJ55TB2-16R
Output module
AJ55TB2-4T
AJ55TB2-8T
AJ55TB2-16T
AnyWire DB A20 series alternative model
Model name
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
(4) Specifications:
Rated input voltage: Not changed
A20SB-16UD
Rated input current: Not changed
ON voltage/ON current: Changed
OFF voltage/OFF current: Changed
Input resistance: Not changed
(5) Functions: Changed (A negative common type cannot be used.)(8 points/
common  16 points/common)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
(4) Specifications:
Rated input voltage: Not changed
A20SB-16USD
Rated input current: Not changed
ON voltage/ON current: Changed
OFF voltage/OFF current: Changed
Input resistance: Not changed
(5) Functions: Changed (A positive common type cannot be used.)(8 points/
common  16 points/common)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
(4) Specifications:
A20PB-04RS
Rated load voltage: Changed (The voltage that can be used is equivalent.)
Rated load current: Not changed
Maximum switching frequency: Changed (3600 times/hour  20 times/minute)
(5) Functions: Changed (4 points/common  All points independent)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program:
(4) Specifications:
A20PB-08RS
Rated load voltage: Changed (The voltage that can be used is equivalent.)
Rated load current: Not changed
Maximum switching frequency: Changed (3600 times/hour  20 times/minute)
(5) Functions: Changed (8 points/common  All points independent)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
(4) Specifications:
A20PB-16RS
Rated load voltage: Changed (The voltage that can be used is equivalent.)
Rated load current: Not changed
Maximum switching frequency: Changed (3600 times/hour  20 times/minute)
(5) Functions: Changed (8 points/common  All points independent)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
A20PB-04U
(4) Specifications:
Rated load voltage: Changed (12VDC is not applicable.)
Rated load current: Changed (0.5A/point  0.2A/point)
(5) Functions: Changed (Surge suppressor: Supported  Not supported)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
A20PB-08U
(4) Specifications:
Rated load voltage: Changed (12VDC is not applicable.)
Rated load current: Changed (0.5A/point  0.2A/point)
(5) Functions: Changed (Surge suppressor: Supported  Not supported)
(1) External wiring: Changed
(2) Number of modules: Not changed
(3) Program: Changed
A20PB-16U
(4) Specifications:
Rated load voltage: Changed (12VDC is not applicable.)
Rated load current: Changed (0.5A/point  0.2A/point)
(5) Functions: Changed (Surge suppressor: Supported  Not supported)
Remarks (restrictions)
6
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