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SKU 2175032  UPC 0290046192207

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Common misspellings:
  • 1C693MDL645
  • IC693MD1645
  • IC693MDL6A5
  • IC693MDL645

Technical Specifications for IC693MDL645

ManufacturerGE Fanuc
SeriesSeries 90-30
Part NumberIC693MDL645
Product Type16-Point Input Module
Input Voltage24 Volts DC
Power SourceUser-supplied or an Isolated 24 Volts DC Power Supply
Input Current Rating7 milliamps Typical
Isolation1500 Volts Between the Field Side and Logic Side
On-state Voltage11.5 to 30 Volts DC
Off-state Voltage0 to +5 Volts DC

Product Description

The IC693MDL645 is a 24-volt DC Positive/Negative Logic Input belonging to the 90-30 Series of Programmable Logic Controllers.  It can be installed in any Series 90-30 PLC system that has either a 5 or 10 -slot baseplate.  This input module has both positive and negative logic characteristics. It has 16 input points per group. It utilizes one common power terminal. The user has two options for powering field devices; either supply the power directly or use a compatible +24BDC supply.

The IC693MDL645 module’s dual logic characteristics makes it ideal in applications that require electronic proximity switches, limit switches, and pushbuttons. It is important to note that the wiring and current identification information is located on an insert. This insert is located between the inner and outer surface of the hinged door. The wiring information is located on the side of the insert facing outward. The current identification is located on the inside of the insert, so it is necessary to open the hinged door to review this information. This module is classified as low voltage, which is why the outside edge of the insert has been color-coded blue.

Situated at the top of the module are two horizontal rows, each row having eight green LEDs.  The LEDs which correspond to the top row input points 1 to 8 are labeled A1 to A8, while those on the second row, which correspond to input points 9 through 16, are labeled B1 to B8.  These LEDs serve to indicate the “on” or “off” status of each input point.

This 24-volt DC Positive/Negative Logic Input module has a rated voltage of 24 volts with a DC input voltage range of 0 to +30 volts DC.  Isolation is 1500 volts between field side and logic side.  The input current at rated voltage is typically 7 mA.  For its input characteristics: the on-state voltage is 11.5 to 30 volts DC while the off-state voltage is 0 to ±5 volts DC.  The on-state current is 3.2 mA minimum and the off-state current is 1.1 mA maximum.  On and off response time is typically 7 ms for each.  Power consumption at 5V is 80 mA (when all inputs are on) from a 5-volt bus on the backplane.  Power consumption at 24V is 125 mA from the isolated 24-volt backplane bus or from user-supplied power.

Technical Specifications

Rated Voltage: 24 volts DC
# of Inputs: 16
Freq: n/a
Input Current: 7.0 mA
Input Voltage Range:   0 to -30 volts DC
DC Power: Yes


The GE Fanuc IC693MDL645 16-Point Input Module is a 24 Volts DC rated positive and negative logic input module that is designed for the GE Series 90-30 Programmable Logic Controller (PLC) system. The IC693MDL645 Input Module provides 16 non-isolated input points arranged in a single group of 16 inputs in one group with a common power input terminal. The IC693MDL645 Input Module is designed to operate with either positive logic or negative logic characteristics, and this feature makes it suitable for a wide range of input devices such as pushbuttons, limit switches, and electronic proximity switches. The IC693MDL645 Input Module can be installed in any I/O slot of the Series 90-30 PLC that supports a 5-slot or 10-slot baseplate.

The IC693MDL645 Input Module utilizes either the user-supplied external DC power supply or an isolated 24 Volts DC power supply. This module has an input voltage range of 0 to 30 Volts DC and a maximum backplane power consumption rating  of 80 milliamps at 5 Volts DC and 125 milliamps at 24 Volts DC. The IC693MDL645 Input Module’s inputs operate with 15.5 to 30 Volts DC on-state voltage per input and 3.2 milliamps of minimum on-state current per input. It has up to 1500 Volts of isolation between the logic side and the field side. The IC693MDL645 Module has both wiring and current identification information within the insert of the module, and it is color-coded for the easy identification of its voltage class (low voltage). On the front of this module are 2 horizontal rows of LEDs (8 LEDs per row) that are individually numbered to indicate the on or off status of each input point.

Technical Information


Rated Voltage                                                      24 volts DC
Input Voltage Range                                           0 to +30 volts DC
Inputs per Module                                             16 (one group with a single common)
Isolation                                                               1500 volts between field side and logic side
Input Current                                                      7 mA (typical) at rated voltage
Input Characteristics
On-state Voltage                                               11.5 to 30 volts DC
Off-state Voltage                                               0 to +5 volts DC
On-state Current                                              3.2 mA minimum
Off-state Current                                              1.1 mA maximum
On response Time                                            7 ms typical
Off response Time                                           7 ms typical
Power Consumption:                                       5V 80 mA (all inputs on) from 5 volt bus on backplane
Power Consumption:                                       24V 125 mA from the Isolated 24 volt backplane bus or
                                                                           from user supplied power


Troubleshooting IC693MDL645

Troubleshooting information is available on IC693MDL645’s website page; it also includes a datasheet user-manual and a wiring diagram.  


Repair your IC693MDL645

PDF Supply can repair your IC693MDL645 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.


Customer Questions and Answers

  • Question:  What is an IC693MDL645?  Answer:  The IC693MDL645 is a 24 volt DC Positive/Negative Logic Input module for the GE Fanuc Series 90-30. This module provides 16 input points in 1 group with a common power input terminal. The IC693MDL645 is made to have either positive logic or negative logic characteristics.  
  • Question:  What is the rated voltage of IC6963MDL645?  Answer:  24 volts DC
  • Question:  What is the input voltage range of IC693MDL645?  Answer:  0 to +30 volts DC
  • Question:  What kind of power source does this module require?  Answer:  The IC693MDL645 can be powered by the user supply or an Isolated +24 VDC supply can power a select amount of inputs.
  • Question:  With what are the input characteristics compatible?  Answer:  They are compatible with pushbuttons, limit switches, and electronic proximity switches.
  • Question:  Into what can the IC693MDL645 be installed?  Answer:  The IC693MDL645 can be installed in any I/O slot of a 5 or 10 baseplate in a Series 90-30 PLC system.
  • Question:  Why is the outside left edge of the insert color-coded blue?  Answer:  It means that this is a low-voltage module.
  • Question:  What should I do if my IC693MDL645 is not working properly?  Answer:  If your IC693MDL645 is not correctly working, then your product may need repair.

For more information on the IC693MDL645 DC Positive/Negative Logic Input Module of the GE 90-30 Series, please see the Datasheet Manual.


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