Description
GE Fanuc IC697ALG440 – 90-70 Analog Input Expansion Module for reliable voltage/current signal acquisition
The GE Fanuc IC697ALG440 is an analog input expansion module for Series 90-70 PLC systems, built to bring clean, stable voltage and current signals into your control strategy. From my experience, it’s a solid fit when you need dependable multi-channel analog acquisition without complicating your rack layout. You might notice that it integrates seamlessly through the IC697 backplane, so there’s no extra fieldbus hardware to worry about—just proper termination and good grounding practices.
Company’s Order Placement Process and Guarantees
- Warranty: 365 days
- Delivery time: In-stock items typically ship within 1 week; no more than one month at the latest
- Payment: 50% advance payment; full payment prior to delivery
- Express delivery: FedEx, UPS, DHL
Key Features
- Analog flexibility: Designed for standard industrial ranges like ±10 V, 0–10 V, 0–20 mA, and 4–20 mA, making it practical for process and factory I/O.
- Rack-native integration: Slides into a Series 90-70 I/O slot and communicates over the IC697 backplane—no external comms module needed.
- Noise-aware design: Input conditioning and shielded wiring practices help keep ripple and drift under control in noisy panels.
- Configuration consistency: Channel setup through the 90-70 CPU/logic tools keeps commissioning straightforward and repeatable.
- Serviceable wiring: Field wiring terminates at the front, simplifying loop checks and maintenance in cramped cabinets.
- Lifecycle continuity: Well-suited for expansions and replacements in installed 90-70 fleets where downtime has a real cost.
Technical Specifications
| Brand / Model | GE Fanuc IC697ALG440 |
| Series | Series 90-70 (IC697 platform) |
| HS Code | 8537.10 (Programmable controllers/control panels, ≤1000 V) |
| Module Type | Analog Input Expansion Module (voltage/current) |
| Power Requirements | Supplied via IC697 90-70 backplane (size rack PSU per GE guidelines) |
| Operating Temperature | Typically 0 to 60°C (industrial environment) |
| Signal Input Types | Voltage (e.g., ±10 V, 0–10 V); Current (e.g., 0–20 mA, 4–20 mA) |
| Communication Interfaces | IC697 90-70 backplane bus; no front serial/fieldbus port |
| Installation Method | Installs in a Series 90-70 rack I/O slot; field wiring to front terminal/termination assembly |
| Dimensions & Weight | Standard 90-70 single-slot module form factor |
Application Fields
I typically see the IC697ALG440 used where stable analog loops matter: water and wastewater treatment skids, power generation auxiliaries, refining and chemicals, metals rolling lines, and large OEM test stands. It pairs well with transmitters for flow, pressure, level, temperature (through transmitters), and position. One plant maintenance lead mentioned they added this module to bring additional 4–20 mA loops online during a phased expansion—no rack rework, just tidy cable management and a brief logic download.
Advantages & Value
- Reliability: Designed for industrial panels; noise handling seems to be quite decent when wiring is shielded and grounded correctly.
- Compatibility: Native to Series 90-70—ideal for upgrades or capacity additions without changing the PLC platform.
- Cost control: Extends existing racks, which in many cases avoids the expense of a platform migration.
- Supportability: Clear documentation and consistent channel configuration make maintenance quicker for onsite teams.
Installation & Maintenance
- Cabinet & rack: Install in an approved Series 90-70 rack with adequate ventilation. Keep ambient within the published industrial range.
- Wiring practices: Use shielded twisted pair for analog loops. Land shields at a single point. Separate analog wiring from high-voltage and VFD cables.
- Grounding: Maintain a clean analog ground reference. Avoid multiple ground paths that can create loops.
- Loop checks: Before start-up, simulate with a calibrator (e.g., 4–20 mA source) and verify scaling and alarms in the PLC program.
- Routine care: Periodically inspect terminal tightness, clean dust from the module face, and review trend data for drift. Keep CPU/rack firmware up to date as recommended by GE Fanuc documentation.
- Spare strategy: In most cases, keeping one spare per panel row or per line reduces downtime risk during unplanned events.
Quality & Certifications
- Certifications: CE and UL/CSA markings are typical for Series 90-70 modules; RoHS compliance may depend on production year.
- Manufacturer warranty: Standard 365-day warranty from shipment.
- Traceability: Units are supplied with identifiable labels and revision info for maintenance records.
Related Components (commonly paired)
- Racks: Series 90-70 IC697 chassis such as IC697CHS750 (5-slot) and IC697CHS790 (9-slot) for system layout flexibility.
- Power Supply: IC697PWR711 AC power supply sized to support the CPU and I/O load on the backplane.
- Field termination: Use the appropriate 90-70 termination/terminal assemblies and shield bars for clean, maintainable wiring.
One thing I appreciate is how predictable the commissioning feels with the 90-70 analog family—once you’ve done a couple of loops, scaling and alarm handling are very repeatable. If you’re expanding an existing GE Fanuc system and need stable analog inputs without surprises, the IC697ALG440 is typically a safe pick.
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