Part of the Allen-Bradley SLC 500 Platform (Legacy) family.
Overview
1746 I/O catalog covers digital, analog, RTD, thermocouple, counter and specialty modules for SLC 500.
Within the Allen-Bradley SLC 500 Platform (Legacy) line, SLC 500 I/O Modules (1746) part numbers carry the 1746- prefix. Palm Parts Solution catalogues 54 distinct SLC 500 I/O Modules (1746) part numbers, including 1746-A4, 1746-A7, 1746-C9 and 1746-P1.
The catalogued part numbers are classified across 6 product types: Specialty / High-Speed I/O (15), Digital Output Modules (12), Modular PLCs (12) and Digital Input Modules (9), plus 2 further product types.
Ratings, physical format and revision level differ from one SLC 500 I/O Modules (1746) part number to the next; the individual product page carries the data recorded for that specific item.
SLC 500 I/O Modules (1746) parts
Specifications
| Attribute | Detail |
|---|---|
| Manufacturer | Allen-Bradley |
| Product family | SLC 500 Platform (Legacy) |
| Series | SLC 500 I/O Modules (1746) |
| Part-number prefixes | 1746- |
| Distinct part numbers catalogued | 54 |
| Product types represented | 6 |
| Condition | New, Refurbished, or Surplus (varies by listing) |
Part numbers by product type
- Specialty / High-Speed I/O — 15 part numbers catalogued (e.g. 1746-NI4, 1746-NI8, 1746-NR4, +12 more)
- Digital Output Modules — 12 part numbers catalogued (e.g. 1746-OA8, 1746-OW8, 1746-OA16, +9 more)
- Modular PLCs — 12 part numbers catalogued (e.g. 1746-A4, 1746-A7, 1746-C9, +9 more)
- Digital Input Modules — 9 part numbers catalogued (e.g. 1746-IA4, 1746-IA8, 1746-IB8, +6 more)
- DIN-Rail Power Supplies — 4 part numbers catalogued (e.g. 1746-P1, 1746-P2, 1746-P3, +1 more)
- Analog Input Modules — 2 part numbers catalogued (e.g. 1746-ITB16, 1746-ITV16)
How to read these part numbers
Every item in this series is listed under its full Allen-Bradley part number, so the 1746- reference on the nameplate is the reference to search. Where a part number exists in more than one hardware or firmware revision, the revision recorded for the item appears on its product page. Specifications not recorded in our catalogue for a given part number are confirmed with the sourcing team before quoting.
Compatible series
Product types in this series
Related knowledge
Frequently asked questions
What does the SLC 500 I/O Modules (1746) series include?
The SLC 500 I/O Modules (1746) series is part of the SLC 500 Platform (Legacy) family from Allen-Bradley. It groups related catalog numbers that share form factor, I/O type and communication protocol — making it easy to find drop-in replacements.
Is SLC 500 I/O Modules (1746) compatible with newer Allen-Bradley hardware?
In most cases yes. SLC 500 I/O Modules (1746) units interoperate with current Allen-Bradley programming software and communication backbones. Contact us with your firmware revision and we will confirm before shipping.
Can I get SLC 500 I/O Modules (1746) parts refurbished with warranty?
Yes. We offer refurbished SLC 500 I/O Modules (1746) modules tested to OEM specs with a 1-year replacement warranty. New surplus stock is also available when supply permits.
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