GE IC670MDL241J

Description

Product Overview and Description

The GE IC670MDL241J is a 24V DC digital input module from the GE Fanuc Series 90-30 and VersaMax PLC I/O system. This module functions as a critical interface, allowing the PLC to reliably monitor the status of field devices such as push buttons, limit switches, proximity sensors, and selector switches by converting their 24V DC signals into logic levels the CPU can process. Designed for industrial reliability, the GE IC670MDL241J provides sixteen isolated input points in a compact, modular form factor. Its primary role is to gather discrete status information from the machine or process for control logic execution. Integration into a 90-30 or VersaMax rack expands the system’s monitoring capability with a proven and widely used component.

Product Parameters

• Module Type: 24V DC Sinking/Sourcing Digital Input Module.
• Compatibility: GE Series 90-30 and VersaMax PLC systems.
• Number of Channels: 16 inputs.
• Input Voltage: 24V DC nominal.
• Input Type: Compatible with both sinking (NPN) and sourcing (PNP) field devices.
• On-State Voltage Range: Typically 15-30V DC.
• Off-State Voltage: 0-5V DC.
• Input Current: Approximately 8 mA per point at 24V DC.
• Isolation: Optical isolation between field inputs and internal logic.
• Filtering: Built-in input filter for noise immunity (typical response time of 10-20 ms).
• Status Indication: LED indicator per channel for real-time input status.
• Connector: Removable terminal block for easy wiring.

Advantages and Key Features

1. High-Density Design: The sixteen-channel configuration of the GE IC670MDL241J provides an excellent I/O point count per module, optimizing rack space and reducing the overall hardware footprint and cost in larger systems.
2. Versatile Sink/Source Compatibility: This module simplifies inventory and wiring by accepting both sinking (NPN) and sourcing (PNP) field devices without requiring hardware changes, offering maximum application flexibility.
3. Robust Noise Immunity: The combination of optical isolation and built-in input filtering allows the GE IC670MDL241J to operate reliably in electrically noisy industrial environments, preventing false triggering from transient voltages.
4. Clear Diagnostic Indicators: Each of the sixteen channels has a bright, easy-to-read LED that provides immediate visual confirmation of the input state, which is invaluable for troubleshooting and commissioning.
5. Proven Platform Reliability: As part of the long-established Series 90-30/VersaMax family, this module benefits from a mature design known for its durability and stable performance in demanding applications.

Application Cases in Various Fields

• Material Handling: Monitoring the status of photo-eyes on a conveyor, package present sensors, and safety gate interlocks in an automated distribution center.
• Packaging Machinery: Reading inputs from fill-level sensors, film-break detectors, and mechanical jam switches on a form-fill-seal machine.
• Automated Assembly: Detecting part presence at robotic workstations using proximity sensors, confirming fixture clamp positions with limit switches, and reading selector switch modes for different product recipes.
• Industrial HVAC Control: Monitoring fan status, filter clog switches, and damper end-position feedbacks in large building management systems controlled by a VersaMax PLC utilizing the GE IC670MDL241J.

Comparison with Competing Products

The GE IC670MDL241J competes with 24V DC input modules from other mid-range PLC families such as the Allen-Bradley Compact 5000 I/O (5069-IB16) or Siemens SIMATIC S7-1200/S7-1500 digital input modules. Its primary advantages are its dual sink/source capability, which some competitor modules lack, and its straightforward integration into the extensive installed base of Series 90-30 systems. Compared to low-cost generic modules, it offers certified compatibility, reliable isolation, and full support within GE programming software (Proficy Machine Edition). While newer platforms offer faster speeds and advanced diagnostics, the GE IC670MDL241J remains a cost-effective and reliable workhorse for expanding or maintaining existing GE PLC systems.

Selection Suggestions and Precautions

• Selection Advice:
  • System Compatibility: Confirm your PLC base unit is a Series 90-30 (IC693/IC694) or VersaMax (IC200) model that supports this I/O family.
  • Field Device Type: While compatible with both, ensure your field device wiring (sinking vs. sourcing) is consistent and matches your chosen common wiring point (24V DC common or 0V common).
  • Power Supply Calculation: Ensure the 24V DC field power supply is adequately sized to supply the inrush and steady-state current for all connected sensors across all modules.
• Important Precautions:
  • Wiring Verification: Always de-energize the system before wiring. Double-check that the field power polarity matches the chosen sink/source wiring diagram for the GE IC670MDL241J to prevent damage.
  • Fuse Protection: It is good practice to fuse the field power supply line feeding the module’s common terminal to protect against wiring shorts.
  • Environmental Limits: Install the module within its specified temperature, humidity, and vibration limits. Excessive heat in the cabinet can reduce lifespan.
  • Proper Grounding: Ensure the PLC system and the 24V DC power supply have a proper functional ground to divert noise and enhance safety.
  • Obsolescence Consideration: The Series 90-30 platform is mature. For new projects, evaluate newer GE platforms like the RX3i, but for spare parts and legacy support, the GE IC670MDL241J is the correct direct replacement.

1SAR700012R0005 PLC DCS
HP11970WC0175-110GHz PLC
IC698CPE010 PLC
AGWM2.1.340209 PLC
DS200TCEAG1ACB PLC