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Allen-Bradley 1746-IB32 SLC 500 32-Point DC Input Module

Allen-Bradley 1746-IB32
Allen-Bradley 1746-IB32
Allen-Bradley 1746-IB32

Allen-Bradley 1746-IB32 SLC 500 32-Point DC Input Module

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ALLEN-BRADLEY · SLC 500
1746
IB32
32-Point Sinking DC Input
● ● ● ● ● ●
HIGH-DENSITY INPUT ARRAY
 
 
CHANNELS
32
DC Inputs
SIGNAL
15–30 VDC
@ 50°C
TYPE
SINKING
DC input
ISOLATION
500 VDC
communication
DENSITY
32 POINT
digital input
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SLC 500 • 32-Point Sinking DC Input
Allen-Bradley 1746-IB32 | SLC 500 32-Point DC Input Module
Application Position
The 1746-IB32 is a 32-channel sinking DC input module for the SLC 500 platform, arranged as four groups of eight points for 24 V DC field devices.
Designed around the modular SLC 500 architecture, with the exact electrical role determined by the catalog number and installed system configuration.
CORE ENGINEERING PROFILE
Module type SLC 500 digital DC input module; current sinking
Number of inputs 32
Operating voltage 15…30 V DC at 50 °C; 15…26.4 V DC at 60 °C
Points per common 8
Nominal input current 5.1 mA at 24 V DC
On-state voltage 15.0 V DC minimum
Off-state voltage 5.0 V DC maximum
Off-state current 1.5 mA maximum
Signal delay 3 ms maximum on; 3 ms maximum off
Backplane current 0.050 A at 5 V DC; 0 A at 24 V DC
Backplane isolation 1500 V AC for 1 minute
Its four 8-point common groups can be useful when multiple 24 V DC field circuits need organized grouping. Series A/B/C modules used fused commons; Series D removed those fuses, so series identification matters in maintenance work.
FAMILY / SYSTEM RELATIONSHIP
Where 1746-IB32 fits in the SLC 500 architecture
The 1746-IB32 is the high-density sinking-input member of the SLC 500 1746 digital input family. Compared with the 1746-IB16, it provides twice as many input points in one module. The 1746-IV32 is the sourcing-input counterpart, so wiring philosophy and field-device polarity should be checked before substitution. Selection lens
Its four 8-point common groups can be useful when multiple 24 V DC field circuits need organized grouping. Series A/B/C modules used fused commons; Series D removed those fuses, so series identification matters in maintenance work.
◌ 1746 I/O   •   SLC 500 backplane   •   modular control architecture   •   field wiring compatibility ◌
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Need a confirmed part match or urgent quotation?
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For quotation requests, please provide part number, quantity, destination, required date and machine/system application when available.
After-receipt care: Please contact us within 7 days of receiving the item if a question arises. Returned items should remain in original condition with a specific return reason. A return or replacement can be arranged after the returned item is received. Shipping costs associated with the return are the buyer's responsibility.
Purchase-Focused FAQ
Q1. Allen-Bradley 1746-IB32 — Why would 1746-IB32 be selected instead of two 1746-IB16 modules?
It provides 32 sinking inputs in one module, reducing the number of occupied I/O positions when the application has enough 24 V DC input points and compatible field wiring.
Q2. Allen-Bradley 1746-IB32 — Does 1746-IB32 accept the full 30 V DC range at every temperature?
The specified operating range is 15…30 V DC at 50 °C and 15…26.4 V DC at 60 °C. A high-temperature cabinet design should therefore not assume 30 V DC operation at 60 °C.
Q3. Allen-Bradley 1746-IB32 — How does the 8-point common grouping affect replacement wiring on 1746-IB32?
Field devices are organized in four groups of eight points. The common arrangement must match the existing field circuit design; simply moving wires by channel number without checking the commons can create an incorrect circuit.
Q4. Allen-Bradley 1746-IB32 — What changed between 1746-IB32 series versions?
Series A, B and C modules used non-replaceable 2.5 A fuses, one per common. Series D modules were not fused. The installed series should be confirmed before using an existing wiring protection assumption.
Q5. Allen-Bradley 1746-IB32 — Is 1746-IB32 a sourcing input?
No. It is a sinking DC input module. The 1746-IV32 is the sourcing counterpart in the same SLC 500 family, so the field-device wiring philosophy is different.
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AMIKON • Industrial Automation Parts Supply • SLC 500 Support
Hot Tags : Allen-Bradley 1746-IB32 1746-IB32 SLC 500 1746-IB32 1746-IB32 datasheet 1746-IB32 manual 1746-IB32 pdf
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