GE IC693MDL740 Series 90-30 12/24 VDC 0.5A 16-Point Output Module

Description

3. Key Technical Specifications

4. Product Introduction & Supply Chain Strategy

The GE IC693MDL740 is a high-density, 16-point discrete output module designed to drive field devices such as solenoids, motor starters, indicators, and control relays from a Series 90-30 PLC system. Operating within a nominal 12/24 VDC range, this sourcing (positive logic) module delivers up to 0.5 A per point. The 16 outputs are logically divided into two isolated groups of eight, each with its own common connection, allowing flexibility in using distinct power supplies for different field circuits.

From a supply-chain standpoint, keeping this module in stock as a “New Surplus” asset is vital for facilities relying on legacy Series 90-30 architectures. Because this entire platform is End-of-Life (EOL), obtaining genuine direct-from-factory replacements is no longer possible. Choosing used or refurbished cards introduces severe operational vulnerabilities: fatigued solid-state transistors are highly susceptible to thermal breakdown, which can lock an output in the “ON” state and create dangerous operational hazards. Securing verified New Surplus stock protects your Total Cost of Ownership (TCO) by avoiding expensive downtime and ensuring long-term system reliability.

IC693MDL740

IC693MDL740

5. Installation & Configuration Guide

Stage 1: Pre-Installation (Prep & Safety)

• Turn off all primary power sources feeding the PLC rack and the external 12/24 VDC field power supplies.
• Wear an ESD-grounded wrist strap connected to the metal control enclosure before handling the new module.
• Note or photograph the existing terminal block wiring configuration, ensuring the separate DC commons for both output groups (Points 1–8 and 9–16) are clearly identified.

Stage 2: Removal

• Loosen the single mounting screw on the removable terminal block at the front of the module. Pull the terminal block straight out and set it aside without disturbing the field wiring.
• Pinch the upper and lower plastic release tabs on the module housing.
• Pull the module straight out from the backplane, taking care not to bend the backplane connector pins.

Stage 3: Installation (Clone & Seat)

• Inspect the rear edge connector pins on the new IC693MDL740 to verify they are straight and undamaged.
• Slide the module into its designated I/O slot (Slots 2 through 5 on a 5-slot chassis, or 2 through 10 on a 10-slot chassis) along the physical guide tracks.
• Apply firm, even pressure until the plastic latches click securely into the backplane.
• Align and push the pre-wired terminal block back onto the front of the module, then tighten the securing screw.

Stage 4: Power-On & Testing

• Restore main line voltage to the PLC rack and the external 12/24 VDC load power supplies.
• Verify that the PLC CPU successfully boots to RUN mode with no system faults.
• Test the outputs by forcing individual bits in your controller program, ensuring that the respective channel LEDs light up on the module faceplate and the associated field devices actuate correctly.

6. Firmware/Software Versions & Upgrade Notes

• Baseline Architecture: The IC693MDL740 is a hardware-only solid-state switching module and does not require or utilize firmware.
• Hardware Revisions: Over its long manufacturing lifespan, the module has seen several revision updates (denoted by suffixes such as IC693MDL740LT or later). All index revisions are fully backward compatible and physically interchangeable.
• Compatibility Risk Profile: No software configuration modifications are needed when executing a direct replacement swap. The module is natively supported by all legacy programming tools (Logicmaster 90, VersaPro) and current solutions (Proficy Machine Edition).

7. Frequently Asked Questions (FAQ)

• Q: Is this IC693MDL740 module actually brand new or is it a refurbished/repaired part?
  • A: This is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. These modules are pristine, zero-runtime units sourced from surplus capital projects or corporate inventory reserves. Each card is structurally inspected and repackaged in ESD-safe packaging before leaving our facility.
• Q: Why should I pay more for a New Surplus unit when refurbished ones are cheaper?
  • A: Our pricing reflects the cost of securing genuine New Surplus inventory globally. It may be 20-30% higher than a refurbished gamble, but it is substantially less than OEM list prices, and it buys you 100% peace of mind. Refurbished output cards often suffer from aged, thermally stressed transistors that can fail unexpectedly. Buying New Surplus ensures you receive the full operational life expectancy of the hardware.
• Q: What is the significance of the two separate commons on this module?
  • A: The 16 output points are divided into two independent groups of eight (Points 1–8 and Points 9–16). Each group has its own common terminal. This allows you to power the two halves of the module from completely different power sources, or isolate critical safety circuits from standard auxiliary indicators.
• Q: Can I use this module to switch AC loads or negative logic circuits?
  • A: No. The IC693MDL740 is strictly a DC sourcing (positive logic) module. It is designed to switch the positive (+VDC) side of a DC load. For AC loads, you will need a triac or relay output module (such as the IC693MDL940).
• Q: Is it safe to hot-swap this output card while the PLC is running?
  • A: No. The Series 90-30 platform does not support hot-swapping. Pulling or inserting a module while the chassis is powered up can generate electrical transients that can damage the backplane bus, corrupt the CPU’s memory, or cause unexpected field device actuation. Always power down the system before swapping hardware.
• Q: What kind of warranty coverage is provided with this module?
  • A: We back this IC693MDL740 with a comprehensive 1-year replacement warranty. If you experience any technical or functional issues within the first 12 months, we will replace the unit immediately, ensuring your plant remains protected.