GE Fanuc IC697MDL750E – 32‑Point 12/24 VDC Discrete Input Module for Series 90-70 Racks

The IC697MDL750E is a 32‑point DC input module for the GE Fanuc Series 90‑70 platform. From my experience, it’s the go‑to choice when you need dense 12/24 VDC input coverage, fast and predictable response times, and straightforward wiring inside a 90‑70 rack. The “E” at the end indicates a later hardware revision, which in many cases improves long‑term reliability without changing the basic form, fit, or function.

Company’s Order Placement Process and Guarantees

• Warranty period: 365 days
• Delivery time: 1 week for in‑stock items; no more than one month at the latest
• Payment: 50% advance payment; full payment before delivery
• Express delivery methods: FedEx, UPS, DHL

Key Features

• 32 DC inputs (12/24 VDC) – Suited for proximity sensors, limit switches, photoeyes, and interlocks commonly used in machine cells.
• Sinking/Sourcing compatibility – Typically supports positive or negative logic wiring, easing retrofit work across mixed field devices.
• Fast, stable input filtering – Designed for industrial noise environments; debounce behavior that usually avoids nuisance transitions.
• Series 90‑70 rack integration – Hot‑swap is not standard on this generation, but installation within IC697 racks is quick and predictable.
• Revision “E” hardware – Later build that, in many cases, appears to offer improved component robustness over early revisions.
• LED status per channel grouping – You might notice at a glance which input groups are healthy during commissioning.
• Field wiring via terminal assemblies – Works with Series 90‑70 terminal/connector accessories for clean, serviceable wiring.

Technical Specifications

One thing I appreciate is how the -750E plays nicely during retrofits. A maintenance supervisor told me they swapped an earlier -750 revision for the -750E and were running again in under an hour—no program edits, just a quick point‑to‑point check and it was good.

Related or Supporting Products

• IC697CHS750 / IC697CHS790 – Series 90‑70 racks (choose slot count and form factor for your panel depth).
• IC697PWR711 / IC697PWR748 – 90‑70 power supplies; pick capacity based on total rack load.
• IC697CPU772 / IC697CPU781 – CPUs for the Series 90‑70 platform, if you are expanding an existing system.
• IC697MDL340 – 24 VDC input, 32‑point module; similar application, different input characteristics per GE documentation.
• IC697MDL653 – 5 V TTL input, 32‑point; useful where low‑level logic inputs are required.
• IC693MDL750 – For Series 90‑30; a practical alternative when a smaller form factor PLC is acceptable (different rack family).

Installation & Maintenance

• Cabinet & ventilation – Install in a clean, dry enclosure. Provide airflow to keep the rack within 0–60 °C.
• Wiring practices – Use shielded cable where noise is present; separate high‑voltage and DC signal wiring. Land commons carefully when mixing sourcing/sinking devices.
• Grounding – Bond rack and terminal assemblies to a low‑impedance ground; maintain shield terminations at a single point to reduce loops.
• Fusing & protection – Protect field circuits externally; the module monitors inputs but doesn’t replace upstream protection.
• Commissioning – Verify input polarity, field power, and point mapping in the PLC program. You might notice status LEDs help catch swapped wires fast.
• Routine checks – Inspect terminal tightness quarterly, clean dust with dry air, and review diagnostics for chattering inputs that may need filtering tweaks.
• Firmware/logic management – PLC CPU firmware and logic backups should be kept current; the input module itself typically does not require firmware updates.

Quality & Certifications

• Typical approvals for Series 90‑70 modules include CE and UL/cUL. RoHS compliance can vary by vintage; the -E revision is later but may still be non‑RoHS in many cases.
• Designed for industrial environments with robust isolation and noise immunity appropriate to the platform generation.
• Warranty: 365 days from shipment.