Allen Bradley 1734-IE4S Point I/O Safety Analog Input Module

Product Description

The Allen Bradley 1734-IE4S is a Point I/O safety-rated analog input module designed for precise monitoring of analog signals in safety-critical applications. With four single-ended input channels, per-channel isolation, and compatibility with both thermocouples and RTDs, this module provides reliable integration into POINTBus systems. Its SIL/PL capability ensures compliance with safety standards, making it suitable for demanding industrial environments.

Technical Specifications

• Manufacturer: Allen Bradley

• Product Line: Point I/O 1734

• Part Number: 1734-IE4S

• Weight: 0.19 lbs (0.09 kg)

• Product Type: Safety Analog Input Module

• Input Configuration: Single-ended

• Input Channels: 4 channels

• I/O Platform: POINTBus

• Safety Rating: SIL/PL capable

• Voltage Input Range: ±10 V

• Current Input Range: 0–20 mA

• Input Range (DC): 0–24 VDC

• Supported Sensors: Thermocouples (TC) and RTDs (Pt, Nickel, Copper)

• Channel Isolation: Per-channel isolation

• Module Communication: POINTBus backplane

• Typical Application: Safety analog sensing and monitoring

Application Scenarios

• Safety-critical monitoring of analog signals in industrial automation

• Integration with POINT I/O systems for distributed control architectures

• Suitable for temperature sensing with RTDs and thermocouples

• Ideal for current and voltage input monitoring in safety-rated systems

FAQ

Q: How many input channels does the 1734-IE4S provide?  A: It supports 4 single-ended input channels.

Q: What types of sensors are supported?  A: The module supports thermocouples and RTDs, including platinum, nickel, and copper types.

Q: Is the module SIL/PL rated?  A: Yes, it is SIL/PL capable, making it suitable for safety applications.

Comparison with Similar Models

• 1734-IE4S: Safety-rated analog input, 4 channels, SIL/PL capable

• 1734-IE2C: Standard analog input, 2 channels, non-safety rated

• 1734-IR2: RTD input module, 2 channels, optimized for temperature sensing