Allen Bradley 1734-TOP

Brand: Allen Bradley
Model: 1734-TOP

Inventory situation: Goods are available in stock.

Product features

The Allen Bradley 1734-TOP is a reliable POINT I/O terminal base developed by Rockwell Automation, a leading brand in industrial automation. It serves as a key link between field devices and POINT I/O modules, making it a vital component for various industrial control systems.

The Allen Bradley 1734-TOP has 8 screw-clamp terminals for safe connections with wires ranging from 22 to 14 AWG (0.25-2.5 mm²), including solid and stranded copper wires. The screws require only 0.6 N·m (7 lb-in) to secure, simplifying the wiring operation. It can handle standard industrial power requirements with a maximum terminal voltage of 300V and an 8A current, while its 240V AC continuous insulation voltage (tested at 3250V DC for 60 seconds) provides safe operation.

The Rockwell Automation 1734-TOP is easy to install because of its DIN rail mounting configuration, which allows for both vertical and horizontal positioning. Measuring just 5.67" × 0.47" × 1.93" (144mm × 12mm × 49mm) and weighing only 2.25 ounces (63.8g), it fits easily in tight spaces, making it perfect for crowded control cabinets. The modular design enables customers to combine it with other 1734 series I/O modules to create versatile distributed I/O systems adapted to their individual requirements.

The Allen Bradley 1734-TOP is designed to survive harsh working circumstances and can perform efficiently in temperatures ranging from -20°C to 55°C (-4°F to 131°F). It can also manage humidity levels of 5% to 95% without condensation. It has received numerous authoritative certificates, including CE, UL, CUL, GOST, KC, and CCC, demonstrating compliance with international safety and quality standards. These certifications demonstrate Rockwell Automation's dedication to developing dependable industrial products.

Specifications

Model	1734-TOP
Product Type	POINT I/O Terminal Base
Number of Terminals	8-position
Terminal Type	Screw Clamp
Maximum Terminal Voltage	300V
Maximum Terminal Current	8A
Screw Torque	0.6 N·m (7 lb-in)
Dimensions (L × W × H)	144mm × 12mm × 49mm

Precautions

When utilizing the Allen Bradley 1734-TOP terminal base, taking certain steps assures safe operation, a long service life, and dependable performance-all in accordance with Rockwell Automation's quality standards. Before installation, always validate that the product model is the Allen Bradley 1734-TOP, since it differs from similar models such as the 1734-TOPS (spring-clamp terminal) or 1734-TOP3 (12-terminal version); using the incorrect base may result in compatibility issues with 1734 series I/O modules.

Use the required screw torque of 0.6 N·m (7 lb-in) while securing wires. Overtightening can damage the terminals or wires, whilst undertightening might result in loose connections, overheating, or signal loss. Use only 22-14 AWG (0.25-2.5 mm²) solid or stranded copper wires, as other wire kinds or diameters may not fit or carry electricity safely. Never exceed the Allen Bradley 1734-TOP's maximum terminal voltage (300V) or current (8A), as this can lead to electrical failures or safety issues. Furthermore, check that the 240V AC continuous insulation is intact; avoid utilizing the base in situations with defective insulation.

During installation, securely fasten the Rockwell Automation 1734-TOP to a normal DIN rail-vertical or horizontal placement is permitted, but loose mounting can cause vibration-related connection issues. Keep the base away from extreme temperatures outside of its functioning range (-20°C to 55°C / -4°F to 131°F) and avoid regions with high humidity, as moisture can harm internal components. While the 1734-TOP enables hot swapping (RIUP), when removing or inserting modules, always follow the approved 1734-IN028 installation procedure; forcing modules into the base may cause the interlock to fail.

FAQ

Q: What is the Allen-Bradley 1734-TOP, and what is its primary function in a POINT I/O system?

A: The Allen-Bradley 1734-TOP is a two-point, 24-volt DC sinking/sourcing digital output terminal base unit. It is a basic, non-intelligent hardware component of the Allen-Bradley POINT I/O Module System. Its principal duty is to provide as the physical wiring interface and electrical connection between a 1734 digital output module (such as the OB2, OB2E, OB4, and so on) and field devices (such as solenoids, indication lamps, or small relays). It converts the control signal from the I/O module into a powered output that activates the linked device.

Q: Is the 1734-TOP compatible with all Allen-Bradley POINT I/O modules?

A: No, it isn't universal. The 1734-TOP is specifically intended for two-point digital output modules. It is incompatible with input modules (such as the 1734-IB2), analog modules, and communication adapters. Using the correct terminal base (TOP for outputs, TIP for inputs, TBS for sensor inputs, and so on) as indicated in the module's datasheet is critical for appropriate and secure operation.