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SKU 2175020  UPC 0799705798724

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Common misspellings:
  • 1C693ALG220
  • IC693A1G220
  • IC693ALG22o
  • IC693ALG220

Technical Specifications for IC693ALG220

ManufacturerGE Fanuc
SeriesSeries 90-30
Part NumberIC693ALG220
Product TypeInput Module
Number of Inputs4
Module TypeChannel Analog Voltage Input Module
Compatible ComponentsPLCs
Voltage Range-10 to 10V
Isolation1500V (Between the Field Side and Logic Side)
Input Filter Response17 Hz

Product Description

The IC693ALG220 is a Channel Analog Voltage Input module for the Series 90-30.  This Programmable Logic Controller delivers four input channels, each able to convert an analog input signal to a digital signal as needed by the user. The module can convert inputs in the range of -10 to +10 volts. Conversion speed for each channel is 1 ms, thus providing an update rate of 4 ms for any channel. Converted signal resolution is 12 bits binary. User data in the %AI registers is in 16-bit 2’s complement format.

This input module is equipped with a limited current input mode and a jumper on the user terminal connector for each channel. The latter can be used to connect the internal 250 ohm shunt resistor to the circuit. The shunt resistor allows a –40 to +40 mA current input range. It is important, however, for the user to monitor input current to avoid self-heating of the input resistor. Otherwise, current accuracy could be negatively affected. The primary power source for the IC693ALG220 comes from the isolated +24 VDC power supplied via the PLC power supply. Voltage is sent through an inverter/regulator to yield operating voltages for the module. The IC693ALG220 uses 27 mA from the +5 VDC output of the PLC power supply.

This module is also equipped with an LED to alert the user regarding operation. This LED is conveniently located near the top of the faceplate. During normal operation, the LED will emit the ON status. Utilizing optical isolation, this module creates electrical isolation of external noise between field wiring and the backplane.  To reduce the capacitive loading and noise, it is recommended that the module’s field connections be wired using an appropriate grade of twisted/shielded instrumentation cable. 

Technical Specifications

No. of channels: 4 Inputs
Voltage Range: -10 to +10 volts DC
Calibration: Factory calibrated
Update Rate: 4 msec
Input Filter Response:  17 Hz
Power Consumption: 27 mA from +5V bus and 98 mA from +24V bus


The IC693ALG220 input module is a channel analog voltage (CAV) input module and a product of GE Fanuc Automation. It belongs to the Series 90-30 product family, and also works as a programmable logic controller (PLC) with 4 input channels. Each of the channels can help in converting analog signals to digital signals according to the application requirements entered by the operators. The IC693ALG220 channel analog voltage input module allows for the conversion of input voltages ranging between -10 and 10 Volts. It has a conversion speed of 1 millisecond for every channel, and this makes this input module capable of providing a 4-millisecond update rate for each channel at a time. The signal resolution converted from the GE Fanuc IC693ALG220 input module is 12 bits binary. It comes with LED indicators that show the operation status of the unit to its operators.

The GE Fanuc IC693ALG220 channel analog voltage input module features a limited current input mode, and a jumper on every user terminal connector for a channel. The operators of this unit can make use of the jumpers to connect the internal shunt resistor that is rated at 250 Ohms to the circuit, which allows for an input current ranging from -40 to 40 milliamps. It is also important for the operators of this input module to constantly monitor the input current to help to protect the input resistor against self-heating, since this can affect accuracy of the current negatively. The GE Fanuc IC693ALG220 channel analog voltage input module has a main power supply rating of 24 Volts DC, which is supplied by the PLC power supply module. This voltage is sent via an inverter or a regulator to provide the necessary power for the operation of an input module.

Technical Information


Voltage Range

–10 to +10 volts t


Factory calibrated

Update Rate

4 msec (all four channels)


5 mV/20 mA, (1 LSB = 5 mV)

Absolute Accuracy +

±10 mV/40 mA (typical) over operating temperature


±30 mV/160 mA (maximum) over operating temperature


< 1 Least Significant Bit


1500 volts between field side and logic side

Cross-Channel Rejection

> 80 db

Input Impedance

> 9 Megohms (voltage mode)


250 ohms (current mode)

Input Filter Response

17 Hz

Internal Power Consumption

27 mA from +5 volt bus on the backplane


98 mA from the isolated +24 volt backplane bus


Troubleshooting IC693ALG220

Troubleshooting information is available on IC693ALG220’s website page; it also includes a datasheet user-manual and a wiring diagram.  

Repair your IC693ALG220

PDF Supply can repair your IC693ALG220 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.


IC693ALG390/220 OK LED To Go ON When Installed In RX3i


To have the OK LED to go solid on RX3i; Same modules work on a 90-30 rack


These modules require +24V DC power over the backplane. The 90-30 power supply does provide isolated 24VDC power to the serial backplane. The RX3i IC695 Power Supplies do not provide Isolated +24V output power over the backplane. Since the RX3i power supplies do not provide the necessary power over the backplane an external source must be connected. You can bring in the external power and connect to the TB1 input terminals beside the RX3i power supply. See attachment.



 Customer Questions and Answers

  • Question:  What is an IC693ALG220?  Answer:  The IC693ALG220 is a 4-Channel Analog Voltage Input module for the GE Fanuc 90-30 Series. This PLC will give you 4 input channels and it has the ability to convert inputs of a range from -10 to +10 volts.
  • Question:  What is the main power supply for the IC693ALG220?  Answer:  The main power source for this Analog Input comes from the isolated +24 VDC power supplied by the PLC power supply. This particular voltage is then routed through an inverter/regulator to produce the operating voltages for the module.
  • Question:  How can I minimize capacitive loading and noise?  Answer:  The configuration of the field connections to the module should be wired using a good grade of twisted, shielded instrumentation cable. 
  • Question:  Where should the shields be connected to?  Answer:  They should be connected to either COM or GND.
  • Question:  In what type of slot should the IC693ALG220 be installed?  Answer:  The IC693ALG220 Analog Input can be installed in any I/O slot of a 5 or 10-slot baseplate in a Series 90-30 PLC system.
  • Question:  Can I change the amount of channels or the voltage on this device?  Answer:  No, this is a fixed 4 channel device.
  • Question:  What is a good way to test this module?  Answer:  You can easily see if the unit is working by probing the channels of this Analog Input Module of the 90-30 Series with a voltage meter. You will be looking for a positive reading. You should probe the channels in the same way making sure your leads are correct. Your results should be consistent.
  • Question:  How to tell if your device is faulty.  Answer:  If the OK light is not on, then your product may be in need of repair.

·         For more information on the IC693ALG220 Analog Input Module of the GE 90-30 Series, please see the Datasheet Manual.


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