Discrete Sensing & Machine Control Solution — Allen-Bradley 1734-IB4 | POINT I/O Series
Where This Product Is Used
The Allen-Bradley 1734-IB4 is a 4-channel 24 VDC sourcing digital input module from the Rockwell Automation POINT I/O platform. It is deployed wherever compact, node-level discrete signal acquisition is required alongside a ControlLogix, CompactLogix, or MicroLogix controller. Typical installation environments include:
- Packaging & Labelling Lines — reading proximity sensors, photo-eyes, and registration marks at high cycle rates
- Automotive Body & Assembly — door-open/close confirmation, part-present detection, and fixture clamping feedback
- Food & Beverage Processing — conveyor jam detection, level switches, and gate-position monitoring in washdown-adjacent panels
- Pharmaceutical Manufacturing — tablet-press position sensing and blister-pack verification under FDA 21 CFR Part 11 environments
- Water & Wastewater Treatment — pump-run status, valve-limit feedback, and float-switch monitoring at remote lift stations
- Oil & Gas Wellhead Panels — discrete status acquisition from pressure switches and ESD pushbuttons in Class I Div 2 rated enclosures
- Material Handling & Sortation — divert confirmation, tote-present sensing, and barcode-trigger inputs on high-speed sorters
Technical Specifications
| Parameter | Value |
|---|---|
| Catalog Number | 1734-IB4 |
| Platform | Allen-Bradley POINT I/O |
| Number of Input Channels | 4 |
| Input Voltage Range | 10 – 28.8 VDC (nominal 24 VDC) |
| Input Type | Sourcing (IEC Type 1 / Type 3) |
| ON-State Voltage | ≥ 10 VDC |
| OFF-State Voltage | ≤ 5 VDC |
| Input Current (ON) | 2.0 mA minimum |
| Filter Time (configurable) | 0.1 ms – 25 ms |
| Backplane Current (5 VDC) | 75 mA |
| Backplane Current (24 VDC) | 0 mA (field-powered) |
| Field-Side Power | 24 VDC via POINT I/O power supply module |
| Module Width | Single-slot (12 mm) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 5 – 95% non-condensing |
| Wiring System | POINT I/O removable terminal block (RTB) |
| Weight | 40 g (module only) |
| Certifications | UL, CE, C-Tick, ATEX Zone 2, Class I Div 2 |
Why Engineers Specify This Model
- Ultra-compact footprint — 12 mm single-slot width enables high channel density in space-constrained panels without sacrificing wiring access
- Configurable input filter — software-selectable 0.1 ms to 25 ms filter eliminates contact bounce and EMI noise without external RC circuits
- Hot-swap capability — modules can be inserted and removed under power, minimising unplanned downtime during maintenance windows
- Seamless Studio 5000 integration — add-on profiles (AOPs) auto-configure the module; no manual parameter entry required
- Diagnostic transparency — per-channel status LEDs and controller-readable fault bits accelerate troubleshooting to seconds, not hours
- Long product lifecycle — part of Rockwell’s sustained POINT I/O roadmap with guaranteed spare availability through 2030+
- 1734-IB4 — 4-channel digital input module (this item)
- 1734-AENT / 1734-AENTR — EtherNet/IP adapter (single or dual-port)
- 1734-EP24DC — 24 VDC field-side power supply module
- 1734-TOP / 1734-TOP4U — removable terminal block (4-pin or screw-type)
- 1734-TBCJC / 1734-TBS4S — end cap and base rail mounting hardware
- 1756-L8x ControlLogix or 5069-L3x CompactLogix — host controller
- 24 VDC DIN-rail power supply (e.g., 1606-XLP series)
- UL Listed — UL 508 (Industrial Control Equipment)
- CE Marked — EMC Directive 2014/30/EU; Low Voltage Directive 2014/35/EU
- ATEX / IECEx — Zone 2, Group IIC, T4 (with appropriate enclosure)
- Class I, Division 2 — Groups A, B, C, D (UL/cUL hazardous location)
- RoHS Compliant — Directive 2011/65/EU
- IEC 61131-2 — Programmable Controller Input/Output Requirements
- EtherNet/IP Conformance — ODVA certified when used with 1734-AENT adapter
- Visual inspection against Rockwell Automation OEM cosmetic standards
- Label and date-code verification (counterfeit screening)
- Functional power-on test with channel-level I/O verification
- ESD-safe packaging with humidity indicator card
- Certificate of conformance (CoC) available upon request
- Add to cart — click the purchase button above for in-stock units with same-day despatch (orders placed before 15:00 CST)
- Request a quote — email support@konmask.com with your required quantity, delivery location, and target lead time
- Bulk / project orders — call or WhatsApp +0086 19859288691 for volume pricing and project-specific BOM support
- Expedite requests — if your line is down, flag your message as URGENT; our team targets a 2-hour response for critical spares
Complete System Bill of Materials
A fully operational POINT I/O node using the 1734-IB4 typically requires the following components:
Contact support@konmask.com to request a complete BOM quotation for your application.
Compliance & Industry Standards
Quality Assurance & Sourcing
Konmask.com sources the 1734-IB4 exclusively through authorised distribution channels and verified secondary-market suppliers with full traceability documentation. Every unit shipped undergoes the following quality checks:
Lead times, condition (new / refurbished / surplus), and warranty terms are disclosed at point of quotation. All refurbished units carry a minimum 12-month replacement warranty.
How to Source This Part
Application-Specific FAQ
Q: Can the 1734-IB4 read NPN (sinking) sensors directly?
A: No. The 1734-IB4 is a sourcing (PNP) input module. For NPN sensors, specify the 1734-IB4S (sinking variant) or use an interposing relay.
Q: What is the maximum cable length from sensor to module?
A: Rockwell recommends a maximum of 30 m for unshielded cable in standard industrial environments. Shielded cable is recommended in high-EMI areas; consult 1734-UM013 for detailed wiring guidelines.
Q: Is the 1734-IB4 compatible with POINT Guard I/O safety systems?
A: No. Safety-rated discrete inputs require the 1734-IB8S (SIL 2 / PLd). The 1734-IB4 is a standard (non-safety) module.
Q: Can I mix 1734-IB4 modules with analog and specialty modules on the same adapter?
A: Yes. POINT I/O supports mixed module types on a single adapter node, up to the adapter’s backplane current budget.
Q: What firmware version is required on the 1734-AENT adapter?
A: Firmware 4.x or later is recommended for full AOP support in Studio 5000 v32+. Check Rockwell’s Product Compatibility and Download Center (PCDC) for the latest compatibility matrix.
Q: Do you supply the matching terminal block (RTB)?
A: Yes. The 1734-TOP4U (4-pin screw terminal block) can be added to your order. Please specify when requesting a quote.
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