GE Fanuc IC697ALG230 Analog Input Module
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GE Fanuc IC697ALG230 Analog Input Module 44A726758-017R05
The GE Fanuc IC697ALG230 (Board Assembly: 44A726758-017R05) is a high-resolution, 8-channel differential base converter module engineered for the GE Fanuc Series 90-70 PLC architecture. Built for critical process automation, power generation, and marine propulsion monitoring, the IC697ALG230 handles high-level analog signals with hardware stability and immunity to electro-magnetic transients.
The IC697ALG230 functions as an independent 8-channel module or as the master base converter for high-density subsystem expansion. Through its front-facing expansion port and high-speed ribbon cable bus, it can service daisy-chained expander modules (IC697ALG440 current expanders and IC697ALG441 voltage expanders) to scale up to 120 analog input points per base converter, conserving primary backplane rack slots.
Technical Specifications
| Parameter | Technical Specification |
|---|---|
| Module Type | High-Level Analog Input Base Converter |
| Catalog Number (MPN) | IC697ALG230 |
| Board Assembly / Revision | 44A726758-017R05 |
| PLC System Platform | GE Fanuc Series 90-70 / Emerson Automation |
| Input Channels | 8 Differential Inputs (Individually Configurable) |
| Expansion Capacity | Up to 120 Inputs (via IC697ALG440 / ALG441 expanders) |
| Input Voltage Ranges | -10 V to +10 V, 0 to 10 V, 1 to 5 V, 0 to 5 V |
| Input Current Ranges | 4 to 20 mA, 0 to 20 mA, ±20 mA (up to ±40 mA max) |
| A/D Resolution | 16 bits (two’s complement or unipolar binary) |
| Update Rate | 2.4 ms to 2.8 ms (base module alone) |
| Calibration Accuracy (Voltage) | ±0.01% of full scale at 25°C; ±0.02% of reading |
| Calibration Accuracy (Current) | ±0.05% of full scale at 25°C; ±0.1% of reading |
| Common Mode Voltage | 11 V maximum peak (channel-to-channel and channel-to-frame) |
| Internal Current Shunt | 250 Ohms (internal, switched via terminal wiring) |
| Backplane Bus Loading | 0.8 A at +5 VDC (4.0 Watts maximum) |
| Terminal Block Style | 40-Pin Removable Screw-Clamp Terminal Block |
| VMEbus Spec Compliance | VME64 Standard Series 90-70 Eurocard form-factor |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
Compatibility
- PLC Racks: GE Fanuc Series 90-70 VME standard backplanes (IC697CHS750, IC697CHS782, IC697CHS783, IC697CHS790, IC697CHS791).
- CPUs: All Series 90-70 central processing modules, including CPU731, CPU771, CPU772, CPU780, CPU782, CPU788, and CPU789.
- Expander Modules: Direct high-speed ribbon cable bus connection to IC697ALG440 (16-Channel Current Expander) and IC697ALG441 (16-Channel Voltage Expander).
- Programming Software: Logicmaster 90-70, VersaPro, Control, and Emerson Proficy Machine Edition (PME).
Part Number Cross-References
- Primary Catalog Number: IC697ALG230
- Module Letter Suffixes: IC697ALG230A, IC697ALG230B, IC697ALG230C, IC697ALG230D, IC697ALG230E, IC697ALG230F
- PCB Bare Board Stencil Number: 44A726758-017 / 44A726758-017R05
- Subassembly Drawings: 44B722238-G01 through G05
Frequently Asked Questions
What is the function of the GE Fanuc IC697ALG230 module?
The GE Fanuc IC697ALG230 is an 8-channel differential analog input base converter used in Series 90-70 PLC systems. It converts industrial voltage and current (4–20 mA) field sensor signals into 16-bit digital words for PLC CPU control and monitoring.
What does the board number 44A726758-017R05 signify?
The number 44A726758-017R05 is the bare circuit board manufacturing part number and revision code (Revision 05) used by GE Fanuc during production. It confirms the internal hardware revision standard of the IC697ALG230 assembly.
Can the IC697ALG230 read both 4–20 mA and 0–10 V signals at the same time?
Yes. Each of the 8 differential input channels is independently configurable. You can assign voltage signals to one channel and current loops to adjacent channels within the same module via software configuration.
Do I need external burden resistors for 4–20 mA loops?
No. The IC697ALG230 features internal, factory-calibrated 250-ohm burden resistors. You configure the terminal wiring jumper between the input pin and the resistor pin on the 40-pin terminal block to put the load resistor in the circuit.
How do expander modules connect to the IC697ALG230?
The front faceplate of the IC697ALG230 contains an expansion port. A dedicated bus ribbon cable runs from this base converter to IC697ALG440 or IC697ALG441 expander cards mounted in adjacent rack slots, handling up to 120 total analog inputs without needing individual rack CPU scan addresses.
Is the IC697ALG230 hot-swappable in a powered Series 90-70 rack?
No. Power to the Series 90-70 chassis backplane must be isolated before inserting or extracting the module. Removing or inserting modules under power can induce backplane voltage transients and damage the VME bus transceivers.
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