Allen-Bradley 1734-IB8 POINT I/O 8 Point Digital Input Module
$64.99
55 in stock – Ships today if ordered in
Allen-Bradley 1734-IB8 — The Allen-Bradley 1734-IB8 is a POINT I/O (Bulletin 1734) I/O module: 1734-IB8 is the 8-channel 24V DC sinking digital input module for POINT I/O. Designed for distributed I/O applications where up to 63 I/O modules (with expansion power supplies) connect to a single network adapter (EtherNet/IP, DeviceNet, PROFIBUS, ControlNet). The POINT I/O platform supports removal and insertion of I/O modules under power (RIUP) and modular expansion via additional wiring bases. All accessories in the 1734 family interoperate — terminal blocks, bases, network adapters, expansion power supplies, and specialty modules.
| Product Family | Bulletin 1734 POINT I/O — 8-Channel 24V DC Digital Input Module |
| Catalog Number | 1734-IB8 |
| Channels | 8 × 24V DC sinking inputs |
| Base SKU | 1734-IB8 |
| Conformal Coating | No (conformal-coated version: 1734-IB8K) |
| Current per Channel | 4 mA nom @ 24V DC (2…5 mA on-state) |
PLC Exchange is not an authorized distributor: Products ship in unopened, original manufacturer-marked packaging. See Original Packaging or Warranty for more information.
Description
Allen-Bradley 1734-IB8
The Allen-Bradley 1734-IB8 is a POINT I/O (Bulletin 1734) I/O module: 1734-IB8 is the 8-channel 24V DC sinking digital input module for POINT I/O. Designed for distributed I/O applications where up to 63 I/O modules (with expansion power supplies) connect to a single network adapter (EtherNet/IP, DeviceNet, PROFIBUS, ControlNet). The POINT I/O platform supports removal and insertion of I/O modules under power (RIUP) and modular expansion via additional wiring bases. All accessories in the 1734 family interoperate — terminal blocks, bases, network adapters, expansion power supplies, and specialty modules.
| Module Overview | |
|---|---|
| Catalog Number | 1734-IB8 |
| Product Family | Bulletin 1734 POINT I/O — 8-Channel 24V DC Digital Input Module |
| Description | 1734-IB8 is the 8-channel 24V DC sinking digital input module for POINT I/O (not conformal coated; the coated version is 1734-IB8K). |
| Channels | 8 × 24V DC sinking inputs |
| Base SKU | 1734-IB8 |
| Current per Channel | 4 mA nom @ 24V DC (2…5 mA on-state) |
| POINT I/O Platform Features | |
|---|---|
| Backplane | POINTBus, 5V DC backplane power (the network adapter converts its 24V DC input to 5V DC) plus module data |
| Max Modules per Adapter | Up to 63 I/O modules; 1734-EP24DC or 1734-EPAC expansion power supplies add POINTBus current to reach (not exceed) 63 |
| Hot Swap | Modules can be removed/replaced under power (RIUP) |
| Mounting | 35 mm DIN rail (EN 60715) |
| I/O Module Installation | Modules plug into wiring bases; field wiring terminates on RTB |
| Compatible Network Adapters | |
|---|---|
| EtherNet/IP Single-Port | 1734-AENT / AENTK (conformal coated) |
| EtherNet/IP Dual-Port (DLR) | 1734-AENTR / AENTRK (conformal coated) |
| DeviceNet | 1734-ADN, 1734-ADNX (with subnet), 1734-PDN (individual-module) |
| PROFIBUS DP | 1734-APB |
| ControlNet | 1734-ACNR |
| Certifications | |
|---|---|
| c-UL-us | UL Listed Industrial Control Equipment |
| CE | EN 61131-2 Programmable Controllers, EN 61326-1 EMC |
| Hazardous Location | Class I Div 2 Groups A/B/C/D |
| RCM / KC | Yes |
| Environmental Specifications | |
|---|---|
| Operating Temperature | -20…+55 °C (-4…+131 °F) — IEC 60068-2-1 / -2-2 / -2-14 |
| Maximum Surrounding Air Temperature | 55 °C (131 °F) |
| Storage Temperature | -40…+85 °C (-40…+185 °F) |
| Relative Humidity | 5…95% non-condensing — IEC 60068-2-30 (Test Db) |
| Vibration (Operating) | 5 g @ 10…500 Hz — IEC 60068-2-6 (Test Fc) |
| Shock (Operating) | 30 g — IEC 60068-2-27 (Test Ea) |
| Shock (Non-operating) | 50 g — IEC 60068-2-27 |
| ESD Immunity | 6 kV contact / 8 kV air discharge — IEC 61000-4-2 |
| Radiated RF Immunity | 10V/m, 80…6000 MHz — IEC 61000-4-3 |
| EFT / Burst Immunity | ±4 kV @ 5 kHz on signal ports, IEC 61000-4-4 |
| Surge Transient Immunity | ±1 kV line-line / ±2 kV line-earth — IEC 61000-4-5 |
| Conducted RF Immunity | 10V rms, 150 kHz…80 MHz — IEC 61000-4-6 |
| Emissions | IEC 61000-6-4 (Industrial environment, Class A) |
| Enclosure Type Rating | None (open-style) — must be installed in a suitable industrial enclosure |
| Mounting Type | 35 mm DIN rail |
| Certifications & Standards | |
|---|---|
| c-UL-us (UL Listed) | UL Listed Industrial Control Equipment for US and Canada — UL File E65584 |
| c-UL-us (Hazardous Locations) | UL Listed for Class I Division 2, Group A/B/C/D — UL File E194810 |
| CE Marked — EMC Directive | 2014/30/EU — EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2 |
| CE Marked — RoHS Directive | 2011/65/EU — EN IEC 63000 |
| UKCA Conformity Assessment | UK Statutory Instrument 2016 No. 1091 (EMC), 2012 No. 3032 (RoHS) |
| ATEX (Explosive Atmospheres) | 2014/34/EU — EN IEC 60079-0, EN IEC 60079-7 Protection "e" II 3G Ex ec IIC T4 Gc, DEMKO 04 ATEX 0330347X |
| IECEx | IECEx UL 20.0072X — IEC 60079-0, IEC 60079-7 Protection "e" II 3G Ex ec IIC T4 Gc |
| RCM (Australia) | Australian Radiocommunications Act, EN 61000-6-4 Industrial Emissions |
| KC (Korea) | Korean Registration of Broadcasting and Communications Equipment, Article 58-2 Clause 3 |
| Morocco | Arrêté ministériel n° 6404-15 du 29 ramadan 1436 |
| CCC (China) | CCC: 2020122309111607 — CNCA-C23-01 Explosion-Proof Electrical Products |
| Mounting & Wiring | |
|---|---|
| Mounting Type | 35 mm DIN rail, horizontal or vertical — no thermal derating in either orientation |
| Terminal Base Assembly | Mounts on a 1734-TB (screw-clamp) or 1734-TBS (spring-clamp) 8-terminal wiring base assembly, sold separately. 12-terminal TB3/TB3S bases are not listed for this module |
| One-Piece Terminal Base Option | 1734-TOP (screw-clamp) or 1734-TOPS (spring-clamp) 8-terminal one-piece base |
| Wire Size Range (Screw-Clamp) | 0.25…2.5 mm² (24…14 AWG) |
| Wire Size Range (Spring-Clamp) | 0.08…2.5 mm² (28…14 AWG) on 1734-RTBS (1734-TBS); 0.25…2.5 mm² (24…14 AWG) on 1734-TOPS |
| Terminal Base Screw Torque | 0.8 N·m (7 lb·in) for 1734-TB; 0.4 N·m (3.5 lb·in) for the 1734-TOP one-piece base |
| No-Tools System | Terminal base, RTB, and I/O module assemble and disassemble without tools |
Related Technical Topics
- Sinking vs. Sourcing DC Input — The 1734-IB8 is a sinking DC input module: the field device sources current into the input and the module sinks it to common. Pair with sourcing field devices (e.g., PNP proximity sensors). If your field devices are sinking (NPN), use the 1734-IV8 sourcing input module instead.
- Filter Time Tuning — Input filter time is programmable per channel — default is 1 ms with a valid range of 0…65 ms. Increase the filter for contact bounce on mechanical switches; decrease for high-speed sensors.
- Conformal Coating (K Version) — This 1734-IB8 is not conformal coated. Rockwell sells a conformal-coated version as 1734-IB8K; catalog numbers with the K suffix are conformal coated and have the same specifications as the non-coated version.
- Terminal Base Compatibility — Mount on 1734-TB (screw-clamp) or 1734-TBS (spring-clamp) 8-terminal base. The -TOP/-TOPS one-piece bases are also compatible. The 12-terminal -TB3/-TB3S/-TOP3/-TOP3S bases are not listed for this module.
Source: All specifications verified against Rockwell Automation Publication 1734-SG001I-EN-P — POINT I/O Modules Selection Guide (April 2025). Module-specific content from the POINT I/O Family Overview (p. 3-4); Environmental Specifications from Table 4 (digital I/O, p. 15), Table 17 (terminal bases, p. 40), and expansion power (p. 44); Certifications from Tables 3, 9, 18 (pp. 14, 20, 40); mounting and wiring from pp. 37-39. Module-specific ratings, compatible bases and certifications from 1734-IN051N-EN-E, POINT I/O Input Modules Installation Instructions (August 2025), pp. 1, 12-14.
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Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 1734-IB8
- Mounts directly on the Compact 5000 I/O bus alongside other 5069-series modules.
- Removable terminal blocks (RTBs) allow pre-wiring before module installation.
- Module configuration is performed in Studio 5000 Logix Designer.
- All 1734-IB8 units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 1734-IB8
The 1734-IB8 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1734IB8
- Allen Bradley 1734-IB8
- Allen-Bradley 1734-IB8
- 1734 IB8
- 1734/IB8
- POINT I/O 1734-IB8
- POINTI/O 1734-IB8
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 12 × 10 × 6 in |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 612598308576 |
| mpn | 1734-IB8 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 1734-IB8
| Shipping Dimensions | |
|---|---|
| Weight | 0.5 lbs |
| Length | 12 in |
| Width | 10 in |
| Height | 6 in |
| Box Dimensions (L×W×H) | 12 × 10 × 6 in |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
How many I/O points does the 1734-IB8 have?
The 1734-IB8 provides 8 × 24V DC sinking inputs I/O points/channels.
What product family does the 1734-IB8 belong to?
The 1734-IB8 is part of the Allen-Bradley POINT I/O family of industrial automation products.
Does the 1734-IB8 include a warranty?
Yes. Every 1734-IB8 sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 1734-IB8?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1734-IB8 ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 1734-IB8?
The 1734-IB8 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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