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The GE IC220ALG220, also cataloged as the IC220ALG220 VersaPoint Analog Input Module, operates as a dedicated hardware component for multi-range analog signal acquisition within VersaPoint I/O platforms. The module interfaces two independent single-ended analog input channels, conditioning current and voltage field signals into digitized measurement formats for real-time PLC backplane processing.

Hardware Specifications

Parameter Specification
Model IC220ALG220
Brand GE
Origin USA / Standard Industrial Operations
Product Type Analog Input Modules
Input Channels 2 single-ended analog channels
Analog Resolution 15-bit
Current Input Ranges 0 to 20 mA, -20 to +20 mA, 4 to 20 mA
Voltage Input Ranges 0 to 10 V, -10 to +10 V
Input Filter Limit Frequency 40 Hz
Sensor Wiring Support 2-wire and 3-wire connections
Operating Temp -25 to +55 deg C
Storage Temp -25 to +85 deg C
Dimensions Standard VersaPoint module footprint
Weight Standard VersaPoint module weight
Power Consumption Standard VersaPoint local bus power draw

Backplane Bus Communication Velocity and Deterministic Networks

The internal conversion architecture digitizes field variables at 15-bit resolution and transfers data across local backplane buses to preserve cycle timing across EtherNet/IP and Profinet deterministic networks. High-density I/O scaling allows flexible mixing of analog and discrete expansion nodes on a single rail segment. Firmware flash compatibility ensures synchronized parameter assignment, channel processing, and register alignment between the expansion module and host controllers.

Frequently Asked Questions

Q: Can the two input channels on the IC220ALG220 be configured with different signal ranges?

A: Yes, each of the two analog channels supports independent range selection, allowing one channel to read 4 to 20 mA current loops while the second reads a -10 to +10 V voltage signal.

Q: What is the hardware analog-to-digital resolution supported by the module?

A: The module operates with 15-bit analog resolution, which remains consistent across both standard numerical representation formats and all measuring ranges.

Q: What sensor wiring schemes are supported by the input terminal connections?

A: The module accepts direct termination for both 2-wire transmitter loops and 3-wire sensor configurations without external signal conditioning.

Field Installation Guidelines

  1. Power Disconnection: Isolate local terminal block power and VersaPoint local bus power before attaching or removing the module from the mounting DIN rail.
  2. Signal Cable Shielding: Terminate twisted-pair signal cable shielding directly at the designated local bus ground reference point to prevent high-frequency noise from corrupting 15-bit conversion values.
  3. Separation of Field Wiring: Route low-level analog input cables in dedicated cable trays separated from high-voltage AC conductors and drive output lines.
  4. Filter Considerations: Account for the internal 40 Hz low-pass hardware filter response limit when programming fast-transient analog feedback loops in host logic.

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