Product Description

The 1769sc-IF4IH is a high-density analog input module developed by Spectrum Controls for the Allen-Bradley Compact I/O platform. It provides four channels of isolated analog signal acquisition with integrated HART (Highway Addressable Remote Transducer) protocol capabilities. This module is specifically engineered for CompactLogix and MicroLogix 1500 systems, allowing users to access advanced instrument diagnostics and device configuration data without the need for additional HART multiplexers or external hardware.

By supporting both standard analog signals and HART digital data, the 1769sc-IF4IH enables a more comprehensive view of process health. It can simultaneously process the primary variable (PV) via the 4-20 mA loop while extracting secondary, tertiary, and quaternary variables (SV, TV, FV) through the HART digital carrier. This makes it an essential component for asset management and proactive maintenance in high-precision process industries.

Detailed Technical Specifications

The 1769sc-IF4IH features 16-bit resolution and programmable filtering to ensure stable data acquisition in electrically noisy industrial environments.

• Manufacturer: Spectrum Controls / Allen-Bradley

• Model/Part Number: 1769sc-IF4IH

• Input Channels: 4 Isolated Inputs

• Input Types: * Voltage: 0-5 V, 1-5 V, 0-10 V, ±10 V

• Current: 0-20 mA, 4-20 mA

• HART Support: Integrated HART protocol (PV, SV, TV, FV, and device status)

• Resolution: 16-bit

• Isolation: Channel-to-channel and channel-to-backplane isolation

• Accuracy: ±0.2% of range for voltage; ±0.35% of range for current

• Channel Filter Frequencies: 28.5 Hz, 50 Hz, 60 Hz, 300 Hz, and 360 Hz

• Update Times: * Analog: 18 ms to 488 ms (all channels)

• HART Data: ~6 seconds per channel for digital variables

• Configurable Data Formats: Engineering units, Scaled-for-PID, Percent of full-scale, Raw/proportional data

• Backplane Current Required: 150 mA at 5.1V DC; 35 mA at 24V DC

• Certifications: UL/cUL Listed, ANSI/ISA 12.12.01 (Class I, Div 2), CE

• Operating Temperature: 0°C to +60°C (32°F to 140°F)