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Phone: +86 16626708626Description
In chemical processing plants where tank farms demand precise level gauging amid corrosive vapors and foam disturbances, or in metal finishing lines monitoring pH swings across plating baths to dodge quality rejects, the GE IC697ALG230L captures analog signals with rock-solid fidelity for downstream PID action. Operators in pulp mills wire it to flow transmitters on stock chests, filtering pulp density noise during grade changes, or in HVAC chillers tracking chilled water deltas to optimize compressor staging—scenarios where signal drift means energy waste or process upsets costing shifts in rework. Used in industrial automation for Series 90-70 control systems, this low-end variant base converter from GE Fanuc’s analog lineup grapples with challenges like ground loops, transient spikes, and scaling mismatches that plague field-to-logic handoffs.
Integrators in breweries pick the GE IC697ALG230L for fermenter temp profiles over long runs, blending voltage probes with 4-20mA loops sans jumpers, or in oil separators logging interface levels via expanders up to 120 channels rack-wide. Applicable in PLC architectures with VME backplanes, its eight differential inputs handle ±10V or 4-20mA per point, feeding 16-bit %AI words with user scaling direct to CPUs like IC697CPX772. In wastewater aerators or glass float lines, oversampling boosts resolution beyond 14 bits, while fault reporting flags opens/broken wires early. Expander-ready for IC697ALG440/441, the GE IC697ALG230L delivers jumper-free setup via MS-DOS Logicmaster, turning noisy yards into clean data streams.
Product Introduction & Positioning
The GE IC697ALG230L is a base converter module in GE Fanuc’s Series 90-70 high-level analog input subsystem, conditioning eight differential channels into digital form for CPU access over VME backplanes or expanders. It leads chains of up to seven IC697ALG440 (current) or ALG441 (voltage) expanders, totaling 120 inputs rack-limited, with removable terminal blocks easing field swaps. In 90-70 setups, it slots into IC697 chassis alongside CPUs, presenting scaled data as %AI words configurable for alarms, faults, and engineering units.
Technicians value the GE IC697ALG230L for zero-DIP simplicity—software sets per-channel voltage/current modes, scaling, and thresholds, while built-in resistors handle 40mA loops. Engineers position it as the analog front door for process-heavy plants, bridging transmitters to ladder logic without custom filters, and hot-pluggable for live maintenance in expansive systems.
Key Technical Features & Functional Benefits
Field techs swear by the GE IC697ALG230L for glitch-free reads: 14-bit base resolution (16-bit output) with oversampling/averaging, holding ±10V or 4-20mA accuracy across eight diffs, even under transients via protection circuits. User scaling maps raw to engineering (e.g., 4mA=0%, 20mA=100%), with alarms/faults triggering %I bits for instant logic response.
Rugged terminals take 250Ω burdens onboard, updating fast sans jumpers; expanders daisy-chain for 120 pts, drawing 5VDC cleanly in polluted air. Removable blocks and mechanical keys prevent mix-ups, with LEDs signaling channel health.
Diagnostics shine: open-wire detection, overrange flags, and module faults feed controller tables, cutting hunts; MTBF-tuned for 24/7 with no calibration drift in audits.
- IC697ALG230L
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE IC697ALG230L |
| Brand | GE Fanuc (Series 90-70) |
| Type | Analog Base Converter |
| Power Supply | +5 VDC |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Mounting | IC697 Backplane (1 slot) |
| Dimensions | Standard 90-70 module |
| Weight | Approx. 0.6 kg |
| Interfaces | 8 differential inputs; Expander port |
| Certifications | UL, CE, CSA |
| Cooling | Forced air (rack fan) |
| Environmental Rating | Pollution Degree 2 |
Related Modules or Compatible Units
IC697ALG440 – Current expander, adds 16 channels to GE IC697ALG230L chains.
IC697ALG441 – Voltage expander, extends base for ±10V apps.
IC697CPX772 – Host CPU, reads scaled %AI from converter.
IC697BEM731 – Genius bus controller for remote analog drops.
IC697ACC701 – Battery pack, retains scaling during outages.
IC697CHS790 – Rack chassis hosting base and expanders.
IC697MEM733 – Memory module for large %AI tables.pdfsupply+1
Installation Notes & Maintenance Best Practices
Key the GE IC697ALG230L into backplane post-CPU—strip shields at terminals, torque 7 in-lbs on 14-22AWG diffs with commons tied single-point; fit expanders sequentially, verifying chain IDs in Logicmaster. Scale offline, loop-check 4-20mA/±10V before live, using 250Ω burdens where spec’d.
Monthly walks clear fault tables—test channels with decade boxes, archive scalings pre-firmware loads; vacuum terminals in dusty process areas. Battery swaps yearly preserve configs; spares with baselines ready trim downtime to pulls.
