Allen-Bradley 1734-IE4S

Allen-Bradley 1734-IE4S | High-Performance Safety Analog Input Module for POINT I/O Systems

Overview

The Allen-Bradley 1734-IE4S is a safety-rated analog input module designed for the POINT I/O system. It provides four single-ended analog inputs with configurable voltage, current, or tachometer modes, ensuring flexibility and precision in safety-critical applications. With a compact design and DIN rail mounting, it integrates seamlessly into various industrial automation systems.

Key Features

• Input Channels: 4 single-ended

• Input Types: Configurable for voltage, current, or tachometer

• Input Ranges:

  • Voltage: ±10V, ±5V, 0–10V, 0–5V

  • Current: 0–20 mA, 4–20 mA

  • Tachometer: 0–24V with configurable thresholds

• Resolution: 12-bit

• Power Supply: 24V DC (19.2–28.8V DC range)

• Sensor Power Output: 24V DC, up to 150 mA per channel

• Mounting: DIN rail

• Enclosure: Open-style (IP20)

• Certifications: TUV, IECEx, CE, c-UL-us

• Operating Temperature: -20°C to 55°C (-4°F to 131°F)

• Dimensions (HxWxD): 77 x 24 x 55 mm (3.03 x 0.94 x 2.17 in)

• Weight: Approximately 68 g (2.4 oz)

• Terminal Base Compatibility: 1734-TB, 1734-TBS, 1734-TOP, 1734-TOPS, 1734-TOP3, 1734-TOP3S

Technical Specifications

• Analog Input Accuracy:

  • Voltage mode: ±0.5% full scale at 25°C

  • Current mode: ±0.6% full scale at 25°C

  • Tachometer mode: ±2% gain error at 25°C

• Input Impedance:

  • Voltage mode: >200 kΩ

  • Current mode: <100 Ω

  • Tachometer mode: >200 kΩ

• Filter Options:

  • Single-pole anti-aliasing filter at 10 Hz

  • Four-pole digital filter with selectable corner frequencies: 1 Hz, 5 Hz, 10 Hz, 50 Hz

• Step Response (to 63%):

  • 1 Hz filter: ~450 ms

  • 5 Hz filter: ~125 ms

  • 10 Hz filter: ~72 ms

  • 50 Hz filter: ~25 ms

• Diagnostics:

  • Open-wire detection

  • Overrange and underrange detection

  • Channel-level status indicators

• Isolation Voltage: 50V continuous (basic insulation), type tested at 500V AC for 60 seconds

• Power Dissipation: 2.2 W

• Thermal Dissipation: 7.5 BTU/hr

• POINTBus Current: 110 mA @ 5V DC

Applications

• Safety-critical process control

• Machine safety systems

• Monitoring analog signals in hazardous environments

• Integration with GuardLogix and SmartGuard controllers

• Distributed I/O systems requiring safety-rated analog inputs

Why Choose the 1734-IE4S?

• Safety Compliance: Meets SIL 3 and PLe safety standards

• Flexible Input Configuration: Supports multiple signal types for diverse applications

• Compact Design: Saves space in control panels

• Easy Integration: Compatible with POINT I/O systems and various terminal bases

• Advanced Diagnostics: Provides real-time status and fault detection

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Available and ready to ship globally.