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General Electric IC693MDL644 Negative Logic Input Module
General Electric IC693MDL644 Negative Logic Input Module
General Electric IC693MDL644 Negative Logic Input Module
General Electric IC693MDL644 Negative Logic Input Module
Popular Product

General Electric IC693MDL644 Negative Logic Input Module


Manufacturer:GE

Product Number:IC693MDL644

Product Type:Negative Logic Input Module

Origin:USA

Dimensions:119 x 33 x 132 mm

Weight:0.3 kg

Views:38

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24

Product Description

The GE IC693MDL644 is a 24VDC Negative Logic Discrete Input Module designed for use in GE Fanuc Series 90-30 PLC systems. It provides 16 input points, divided into 4 isolated groups of 4. This module is used to detect DC logic low (0V) signals as an ON state, meaning it is ideal for NPN (sinking) type sensors and field devices. The module senses when a device sinks current to 0VDC, thereby registering it as an active input.

Built for rugged industrial control environments, the IC693MDL644 supports negative logic configuration, which is still widely used in global installations due to legacy systems and certain regional preferences in sensor design. It is a cost-effective and dependable choice for users requiring robust digital input functionality in an easily configurable, modular PLC system.

Product Specifications

Parameter Specification
Product Type Discrete Input Module
Input Logic Type Negative Logic (Sinking)
Nominal Input Voltage 24 VDC
Input Voltage Range 0 – 30 VDC
ON State Voltage <5 VDC
OFF State Voltage >11 VDC
Typical Input Current 7 mA at 24 VDC
Number of Input Points 16
Grouping of Inputs 4 isolated groups of 4 inputs each
Isolation 1500 V RMS between field side and logic side
Input Response Time 7 ms typical
Backplane Current 80 mA from +5V
LED Indicators Yes, one per input point
Diagnostic Functions Not available
Mounting Method Standard I/O slot in Series 90-30 rack
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to +85°C (-40°F to +185°F)
Relative Humidity 5% to 95%, non-condensing
Dimensions (H x W x D) 119 x 33 x 132 mm
Weight 0.3 kg
Certifications UL, CE, CSA, suitable for Class I Division 2 environments

Product Applications

The IC693MDL644 module is widely used in industries where NPN-type (sinking) sensors or switching devices are prevalent. Its ability to detect 0VDC logic signals makes it ideal in the following fields:

  • Factory Automation: Integration with legacy sensors and low-side switching equipment.

  • Conveyor and Material Handling Systems: Monitoring of photoelectric sensors and microswitches.

  • Packaging Machinery: Interface with status signals from older-generation devices.

  • Petrochemical Plants: Connection to explosion-proof or intrinsically safe sensors configured for sinking logic.

  • Automotive Industry: Control systems requiring negative logic due to existing sensor standards.

  • Textile and Printing Systems: Monitoring relay contacts or stop sensors in legacy designs.

Its flexible isolation and compact design make it a dependable component in installations where signal integrity and noise immunity are critical.

Product Advantages

  • Supports Sinking Inputs: Fully compatible with NPN devices and sensors.

  • Group Isolation: Enhanced electrical isolation across four separate input groups, increasing system reliability.

  • Fast Response Time: 7 ms typical response ensures timely detection of input changes.

  • Compact and Modular: Easily integrates into existing Series 90-30 systems without needing additional space or configuration.

  • Visual Input Monitoring: On-board LED indicators for each point assist in diagnostics and testing.

  • Industrial Grade Design: Withstands harsh operating environments with excellent thermal and humidity tolerance.

  • Minimal Power Consumption: Efficiently draws only 80 mA from the backplane.

  • Long-Term Compatibility: Ideal for maintaining and expanding legacy systems using negative logic design principles.

Frequently Asked Questions (FAQ)

  1. Q: What type of input devices can I use with the IC693MDL644?

    A: You should use NPN-type (sinking) sensors or switches that pull the input to 0V when activated.

  2. Q: What happens if I use a PNP (sourcing) sensor?

    A: The module will not recognize the input correctly. Only sinking input devices are supported.

  3. Q: Can I mix input voltages across the groups?

    A: All inputs must conform to the 24VDC nominal standard; different voltages across groups are not recommended.

  4. Q: What is the minimum voltage considered an OFF signal?

    A: Anything above 11 VDC is considered OFF. Below 5 VDC is considered ON.

  5. Q: Are the groups electrically isolated from each other?

    A: Yes, the 16 inputs are split into 4 isolated groups of 4 inputs each.

  6. Q: Does this module require external resistors for current limiting?

    A: No, current limiting is handled internally. Just ensure the sensors operate within rated current/voltage limits.

  7. Q: Is configuration needed in software?

    A: Basic input setup is done in GE’s Proficy Machine Edition or Logic Developer software; no special configuration is needed.

  8. Q: Can the IC693MDL644 operate in hazardous locations?

    A: Yes, when used in a certified system, it is suitable for Class I Division 2 areas.

  9. Q: How are faults or wiring issues identified?

    A: There are no built-in diagnostics, but LED indicators can help identify inactive or missing inputs.

  10. Q: What’s the advantage of negative logic over positive logic?

    A: In certain control philosophies and legacy systems, negative logic helps reduce noise and allows use of grounded signal returns, which can be safer or more reliable in some cases.

Popular Product

General Electric IC693MDL644 Negative Logic Input Module

Manufacturer:GE

Product Number:IC693MDL644

Product Type:Negative Logic Input Module

Origin:USA

Dimensions:119 x 33 x 132 mm

Weight:0.3 kg

Views:38

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24

Product Description

The GE IC693MDL644 is a 24VDC Negative Logic Discrete Input Module designed for use in GE Fanuc Series 90-30 PLC systems. It provides 16 input points, divided into 4 isolated groups of 4. This module is used to detect DC logic low (0V) signals as an ON state, meaning it is ideal for NPN (sinking) type sensors and field devices. The module senses when a device sinks current to 0VDC, thereby registering it as an active input.

Built for rugged industrial control environments, the IC693MDL644 supports negative logic configuration, which is still widely used in global installations due to legacy systems and certain regional preferences in sensor design. It is a cost-effective and dependable choice for users requiring robust digital input functionality in an easily configurable, modular PLC system.

Product Specifications

Parameter Specification
Product Type Discrete Input Module
Input Logic Type Negative Logic (Sinking)
Nominal Input Voltage 24 VDC
Input Voltage Range 0 – 30 VDC
ON State Voltage <5 VDC
OFF State Voltage >11 VDC
Typical Input Current 7 mA at 24 VDC
Number of Input Points 16
Grouping of Inputs 4 isolated groups of 4 inputs each
Isolation 1500 V RMS between field side and logic side
Input Response Time 7 ms typical
Backplane Current 80 mA from +5V
LED Indicators Yes, one per input point
Diagnostic Functions Not available
Mounting Method Standard I/O slot in Series 90-30 rack
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to +85°C (-40°F to +185°F)
Relative Humidity 5% to 95%, non-condensing
Dimensions (H x W x D) 119 x 33 x 132 mm
Weight 0.3 kg
Certifications UL, CE, CSA, suitable for Class I Division 2 environments

Product Applications

The IC693MDL644 module is widely used in industries where NPN-type (sinking) sensors or switching devices are prevalent. Its ability to detect 0VDC logic signals makes it ideal in the following fields:

  • Factory Automation: Integration with legacy sensors and low-side switching equipment.

  • Conveyor and Material Handling Systems: Monitoring of photoelectric sensors and microswitches.

  • Packaging Machinery: Interface with status signals from older-generation devices.

  • Petrochemical Plants: Connection to explosion-proof or intrinsically safe sensors configured for sinking logic.

  • Automotive Industry: Control systems requiring negative logic due to existing sensor standards.

  • Textile and Printing Systems: Monitoring relay contacts or stop sensors in legacy designs.

Its flexible isolation and compact design make it a dependable component in installations where signal integrity and noise immunity are critical.

Product Advantages

  • Supports Sinking Inputs: Fully compatible with NPN devices and sensors.

  • Group Isolation: Enhanced electrical isolation across four separate input groups, increasing system reliability.

  • Fast Response Time: 7 ms typical response ensures timely detection of input changes.

  • Compact and Modular: Easily integrates into existing Series 90-30 systems without needing additional space or configuration.

  • Visual Input Monitoring: On-board LED indicators for each point assist in diagnostics and testing.

  • Industrial Grade Design: Withstands harsh operating environments with excellent thermal and humidity tolerance.

  • Minimal Power Consumption: Efficiently draws only 80 mA from the backplane.

  • Long-Term Compatibility: Ideal for maintaining and expanding legacy systems using negative logic design principles.

Frequently Asked Questions (FAQ)

  1. Q: What type of input devices can I use with the IC693MDL644?

    A: You should use NPN-type (sinking) sensors or switches that pull the input to 0V when activated.

  2. Q: What happens if I use a PNP (sourcing) sensor?

    A: The module will not recognize the input correctly. Only sinking input devices are supported.

  3. Q: Can I mix input voltages across the groups?

    A: All inputs must conform to the 24VDC nominal standard; different voltages across groups are not recommended.

  4. Q: What is the minimum voltage considered an OFF signal?

    A: Anything above 11 VDC is considered OFF. Below 5 VDC is considered ON.

  5. Q: Are the groups electrically isolated from each other?

    A: Yes, the 16 inputs are split into 4 isolated groups of 4 inputs each.

  6. Q: Does this module require external resistors for current limiting?

    A: No, current limiting is handled internally. Just ensure the sensors operate within rated current/voltage limits.

  7. Q: Is configuration needed in software?

    A: Basic input setup is done in GE’s Proficy Machine Edition or Logic Developer software; no special configuration is needed.

  8. Q: Can the IC693MDL644 operate in hazardous locations?

    A: Yes, when used in a certified system, it is suitable for Class I Division 2 areas.

  9. Q: How are faults or wiring issues identified?

    A: There are no built-in diagnostics, but LED indicators can help identify inactive or missing inputs.

  10. Q: What’s the advantage of negative logic over positive logic?

    A: In certain control philosophies and legacy systems, negative logic helps reduce noise and allows use of grounded signal returns, which can be safer or more reliable in some cases.

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