Product Details
Overview
The Allen-Bradley 1734-IB4 is a compact POINT I/O digital input module featuring four sinking input channels designed for 24 V DC control systems. It provides reliable signal acquisition for distributed I/O architectures, offering flexible mounting and simplified wiring through the POINT I/O backplane. Its open-style housing and DIN-rail design make it ideal for use in tight control enclosures or modular installations.
Key Features
-
Four sinking digital input channels for 24 V DC logic signals
-
Compact POINT I/O format, optimized for distributed and modular automation
-
Open-style housing with quick DIN-rail installation
-
Compatible with 1734-TBS and 1734-TB terminal bases
-
Low power draw and high input integrity for efficient control performance
-
Designed for integration with CompactLogix and ControlLogix platforms
Technical Specifications
-
Manufacturer: Allen-Bradley / Rockwell Automation
-
Model Number: 1734-IB4
-
Product Type: POINT I/O Sink Input Module
-
Number of Inputs: 4 sinking inputs
-
Input Type: Digital, 24 V DC
-
Input Voltage Range: 10 – 28.8 V DC
-
Input Current (Nominal): 3.0 mA @ 24 V DC
-
Input Delay (Typical): 1.0 ms ON / 1.0 ms OFF
-
Isolation Voltage: 50 V continuous, reinforced insulation (field ↔ system)
-
POINTBus Current Draw: 75 mA @ 5 V DC
-
Mounting: DIN-rail via 1734-TBS or 1734-TB base
-
Housing Style: Open
-
Power Dissipation: 0.6 W (max.)
-
Dimensions (H × W × D): 7.55 × 1.2 × 5.6 cm
-
Weight: Approx. 0.02 kg (0.04 lb)
Performance and Reliability
The module is engineered for stable performance under continuous industrial operation. Each input channel provides fast response times and electrical isolation, ensuring dependable digital signal handling in PLC-based automation networks.
Applications
-
Packaging and material-handling equipment
-
Machine tools and assembly lines
-
Building and facility automation
-
Process control and distributed I/O systems
FAQ
Q1: What type of input signal does the 1734-IB4 accept?
A1: It supports 24 V DC sinking digital inputs for on/off signal detection.
Q2: Can this module be installed while the system is running?
A2: Yes, the POINT I/O architecture allows hot-swapping for minimal downtime.
Q3: Which base assemblies are compatible with the 1734-IB4?
A3: It mounts on 1734-TB or 1734-TBS terminal bases.
Q4: What is the recommended operating voltage range?
A4: The module operates between 10 V DC and 28.8 V DC, nominal 24 V DC.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.