The GE IC697ALG230, also cataloged as the IC697ALG230 Base Converter Module, operates as a dedicated hardware component for analog signal acquisition and digitization within Series 90-70 PLC platforms. The unit processes up to eight differential analog inputs utilizing an integrated analog-to-digital converter circuit with hardware-level optical isolation to separate the field circuitry from the host backplane logic.
| Parameter | Specification |
|---|---|
| Model | IC697ALG230 |
| Brand | GE Fanuc Emerson |
| Origin | USA |
| Weight | 0.82 kg (1.81 lbs) |
| Dimensions | Single-slot rack width |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 4.0 W (0.8 A @ 5 VDC) |
| Number of Inputs | 8 differential channels (expandable to 120 max) |
| Input Signal Ranges | -10 VDC to +10 VDC, 4-20 mA (0.0 mA to 22.5 mA max) |
| Data Resolution | 16-bit channel configuration / 14-bit internal ADC |
| Fast Update Rate | 2.4 ms to 2.8 ms |
| Linearity | +/- 0.02% of full scale |
| Voltage Accuracy | +/- 0.01% of full scale, +/- 0.02% of value |
| Current Accuracy | +/- 0.05% of full scale, +/- 0.1% of value |
| Isolated Interface | 1500 VDC field-to-logic opto-isolation |
| Removable Connector | 40 pins terminal block with jack screw mechanism |
The IC697ALG230 uses dedicated backplane bus communication velocity protocols to ensure real-time transmission of digitized process values to the main processor. Through its physical expansion port interface, the module governs I/O density scaling profiles by controlling up to seven expansion units (IC697ALG440 or IC697ALG441), scaling total infrastructure density up to 120 inputs. Firmware flash compatibility enables individual low-pass filtering and per-channel CPU alarm interrupt routing, mitigating data collection jitter across high-density networks.
Q: Does the IC697ALG230 base converter module support hot-swapping while the rack is powered?
A: No. The Series 90-70 backplane requires total electrical isolation before hardware configuration adjustments. Upstream power feeding the +5 VDC logic bus must be disconnected before the module is extracted or inserted to prevent backplane bus errors or component degradation.
Q: How does the differential wiring configuration on the 40-terminal block mitigate field noise?
A: The differential architecture measures the signal voltage vector relative to two signal lines rather than a single shared ground reference. This configuration provides high common-mode rejection against external electromagnetic interference (EMI) on the 4-20 mA and +/- 10 VDC measurement loops.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.