The General Electric IC693ALG221E is a 4-channel analog input module designed for the Series 90-30 PLC platform. This module provides high-precision signal processing for industrial control applications, supporting standard current loop inputs with a rapid update rate.
Features
4 isolated input channels
Supports 4-20 mA and 0-20 mA input ranges
High accuracy of 0.1% of full scale
Fast update rate of 2 ms for all channels
1500 Volts RMS isolation between field and logic circuitry
Integrated input filter response of 325 Hz
Technical Specifications
Model
IC693ALG221E
Number of Channels
4
Input Ranges
4-20 mA, 0-20 mA
Accuracy
0.1% full scale
Update Rate
2 ms (all channels)
Input Impedance
250 ohms
Input Filter
325 Hz
Isolation
1500 V RMS (field to logic)
Power Consumption
25 mA at 5 VDC, 100 mA at 24 VDC
Installation Guidelines
Ensure the PLC rack is powered down before inserting or removing the module to prevent electrical damage or system faults.
The module is designed for standard Series 90-30 backplane mounting; ensure it is fully seated and secured with the integrated locking mechanism.
Use shielded twisted-pair cabling for analog signals to minimize electromagnetic interference (EMI).
Maintain proper grounding practices for the cable shields at the signal source or the module end, depending on system requirements, to avoid ground loops.
Ensure the operating environment is free from excessive dust, moisture, and corrosive gases to maintain module longevity.
FAQ
What is the primary function of the IC693ALG221E module?
This module is an analog input device used to convert 4-20 mA or 0-20 mA current signals from field instruments into digital data for processing by the GE Series 90-30 PLC CPU.
Does this module require external power?
The module consumes 25 mA from the 5 VDC backplane and 100 mA from the 24 VDC isolated supply. Ensure your power supply configuration supports these requirements.
