Description

Allen Bradley 1769sc-IF4IH Analog + HART Input Module

Configured for analog current, voltage, and HART signal acquisition in CompactLogix and MicroLogix 1500 systems, the Spectrum Controls 1769sc-IF4IH (1769sc-IF4IH Analog + HART Input Module) provides four configurable input channels with 16-bit resolution and Integer data conversion.

Hardware Specifications

Parameter	Specification
Model	1769sc-IF4IH
Brand	Spectrum Controls
Product Type	Analog + HART Input Module
Product Line	1769 Compact I/O
Compatible Controllers	CompactLogix / MicroLogix 1500
Inputs	4
Input Types	Analog + HART
Input Voltage	0-5 V, 1-5 V, 0-10 V, +/-10 V
Input Current	0-20 mA, 4-20 mA
HART Variables	PV, SV, TV, FV
Resolution	16 bits
Data Format	Integer
Configurable Data Formats	Engineering units, Scaled-for-PID, Percent of full-scale, Raw/proportional data
Channel Filter Frequencies	28.5 Hz, 50 Hz, 60 Hz, 300 Hz, 360 Hz
Voltage Accuracy	+/-0.2% of range
Current Accuracy	+/-0.35% of range
Analog Update Time	18 to 488 ms
HART Update Time	6 s for all channels
Weight	0.63 lb (0.28 kg)

EtherNet/IP and Compact I/O Signal Integration

The 1769sc-IF4IH operates as a Compact I/O analog acquisition module and interfaces with compatible CompactLogix and MicroLogix 1500 controllers. It converts four analog input channels into Integer data for controller processing. Additionally, the module supports 4-20 mA HART signals and provides access to PV, SV, TV, and FV variables.

The module supports several voltage and current ranges, allowing channel configuration for 0-5 V, 1-5 V, 0-10 V, +/-10 V, 0-20 mA, and 4-20 mA signals. Furthermore, selectable filter frequencies provide control over the response characteristics of individual input channels.

Frequently Asked Questions (FAQ)

Q: How many analog input channels does the 1769sc-IF4IH provide?
A: The module provides four analog input channels. Each channel supports configured voltage or current input ranges.

Q: Does the module support HART communication?
A: Yes. The 1769sc-IF4IH supports HART on 4-20 mA inputs and provides PV, SV, TV, and FV variables.

Q: What data format does the module provide to the controller?
A: The module converts the acquired input signals into Integer data. Users can also configure engineering units, Scaled-for-PID, Percent of full-scale, or Raw/proportional data formats.

Field Installation Guidelines

• Install the module according to the applicable Compact I/O mechanical installation requirements.
• Verify the selected voltage or current range before connecting field wiring.
• Route analog signal wiring separately from high-voltage power and high-current switching conductors.
• Use appropriate shielded cable for low-level analog and HART signal circuits where the installation requires additional noise control.
• Terminate cable shields according to the plant grounding standard and avoid creating unintended ground loops.
• Confirm polarity for all current and voltage input connections before energizing the circuit.
• For HART loops, verify that the complete loop wiring and field device support the required HART communication path.
• Check channel configuration against the connected field transmitter before placing the module into service.
• Keep signal wiring mechanically secured and separated from sources of electromagnetic interference.
• Verify controller scaling after installation by applying a known input signal and checking the resulting Integer value.

Specifications

• Brand: Allen Bradley

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems