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SKU:1734-IB2
Allen-Bradley 1734-IB2 24VDC Digital Input Terminal Module
Manufacturer: Allen-Bradley
Product No.: 1734-IB2
Product Type: Digital Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 31g
Shipping port: Xiamen
Warranty: 12 months
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Description
Product Overview
The 1734-IB2 is a compact, high-performance 24 VDC Digital Sinking Input Module engineered by Allen-Bradley (Rockwell Automation) for the versatile POINT I/O System. Built to facilitate seamless field device connectivity across ControlNet, DeviceNet, and EtherNet/IP networks, this module features Two (2) discrete sinking input channels designed to monitor 24V DC logic signals in industrial automation systems. Operating across a field supply range of 10 to 28.8 VDC (24 VDC nominal) with a maximum input current of 5 mA per channel, it mounts onto a designated removable terminal block (RTB) base with a mechanical keyswitch set to Position 1. Featuring an ultra-lightweight hardware net weight of 30.9 g (0.0309 kg / 1.09 oz), an open-style enclosure rating, and an extended operating temperature range from -20°C to +55°C, this module draws just 75 mA of POINTBus backplane current at 5V DC.
As depicted in the product image, the module features a slice form-factor with integrated diagnostic LEDs, side mounting latching mechanisms, and precise terminal base alignment slots for quick vertical or horizontal installation.
Core Technical Advantages
- Flexible Multi-Network Connectivity: Integrates effortlessly into distributed architectures managed via EtherNet/IP, ControlNet, DeviceNet, and other open industrial network protocols.
- Low-Power Sinking Inputs: Features 2 sinking input points with low heat generation, consuming only 0.7 W maximum power dissipation at 28.8 VDC for improved panel thermal management.
- Mechanical Keyed Safety Base: Designed for mechanical Keyswitch Position 1 on the mounting base to prevent module misplacement during installation and field replacement.
- Versatile Enclosure Mounting: Open-style slice housing supports both horizontal and vertical mounting orientations without thermal derating up to 55°C.
Technical Specifications
| Parameter Attribute | Factory Specification Data |
|---|---|
| Brand / Manufacturer | Allen-Bradley / Rockwell Automation |
| Catalog / Part Number | 1734-IB2 |
| Product Family Series | POINT I/O System |
| Module Functional Type | Digital DC Sinking Input Module |
| Number of Inputs | 2 Channels (Sinking Type) |
| Nominal Input Voltage | 24 VDC |
| Input Voltage Range | 10.0..28.8 VDC |
| Maximum Input Current | 5 mA per channel |
| POINTBus Backplane Current | 75 mA @ 5V DC |
| Power / Thermal Dissipation | 0.7 W Max @ 28.8 VDC | 2.4 BTU/hr Max @ 28.8 VDC |
| Physical Net Weight | 30.9 g (0.0309 kg / 1.09 oz) |
| Dimensions (H x W x D) | 56.0 x 12.0 x 75.5 mm (2.21 x 0.47 x 2.97 in) |
| Keyswitch Position & Torque | Position 1 | Terminal Screw Torque: 0.8 N-m (7 lb-in) |
| Operating Temperature Range | -20°C to +55°C (-4°F to +131°F) |
| Condition / Warranty | New & Original in Sealed Packaging | 12-Month Factory Warranty |
Installation & Field Maintenance Guidelines
Mount on RTB base with keyswitch at Position 1. Tighten terminal screws to 0.8 N-m. Verify 10-28.8VDC supply before power-up.
Technical FAQs
Q: Key position?
A: Set base keyswitch to Position 1.
Q: Power specs?
A: 24VDC nominal (10-28.8VDC range), 5mA max current.
Q: Bus current?
A: Draws 75 mA max from 5VDC POINTBus.
Additional Specifications
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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