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GE IC660BBA026 Analog Input Block
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- Part Number: IC660BBA026
- Brand: GE Fanuc
- Type: Analog Input Block
- Dimensions: 4x18.5x12.7cm
- Country of Origin: USA
- Barcode: 8537101190
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Additional Specifications
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Product Description
The GE Fanuc IC660BBA026, also cataloged as the IC660BBA026 Analog Input Module, operates as a dedicated hardware component for multi-channel analog signal processing, current-loop telemetry interception, and distributed register mapping within Genius network architectures. The rackless field block utilizes internal voltage-to-frequency conversion circuits natively at the hardware tier to digitize 4-20 mA inputs without requiring a central chassis backplane.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC660BBA026 |
| Brand | GE Fanuc / Emerson |
| Series | Genius I/O System |
| Origin | United States of America (USA) |
| Product Weight | 2.00 lbs (0.91 kg) |
| Dimensions | 8.83 x 3.34 x 3.91 inches (22.44 x 8.48 x 9.93 cm) |
| Input Channel Density | 6 analog current-source inputs (Single group of 6) |
| Analog Input Signal Range | 4-20 mA current loop processing |
| Signal Conversion Accuracy | 0.1% of full-scale reading |
| Input Scaling Resolution | 1 microamp (1 microamp / 6 microamp variant scaling) |
| External Supply Input Range | 18 to 56 VDC continuous current loops (24 V loop rated at 25 mA) |
| Primary Block Power Options | 115 VAC / 125 VDC nominal line feeds |
| User-Selectable Conversion Time | 16.6 ms to 400 ms software-configured intervals |
| Typical Thermal Drift | 70 PPM per deg C |
| Maximum Heat Dissipation | 12 W continuous load |
| Isolation Protection Limits | 1500 V block-to-block / 1500 V RMS group-to-group barrier |
| Visual System Diagnostics | Faceplate LEDs (Unit OK, I/O Enabled) |
| Product Type | Analog Input Modules |
Industrial Control & Drive Communications
- Backplane Bus Communication Velocity Licences and Frame Routing The module incorporates an embedded, autonomous Genius bus interface that transmits digitized input channels straight to host controllers over a multi-drop shielded twisted-pair serial link. Operating independently of external chassis frames, this dedicated protocol network routes global input images, limit updates, and diagnostic bytes parallel to primary PLC execution scans.
- 4-20 mA HART Loop Protocol and Channel Optimization The 6 input lines feature internal voltage-to-frequency processing elements that generate highly precise digital signal equivalents from 4-20 mA field loops. The hardware architecture organizes the 6 points into a single isolated common block protected by a 1500 V galvanic boundary, suppressing common-mode electrical noise and routing loop fault states directly to the diagnostic registers without channel cross-talk.
Frequently Asked Questions
Q: What precise diagnostic actions manifest if an analog field line drops below 2 mA?
A: A signal drop below the 2 mA threshold triggers the module's embedded open-wire and underrange diagnostic logic. The block instantly flags a low-alarm fault word over the Genius network link, passes an error state bit to the host controller register, and surfaces the condition on the configuration terminal.
Q: Can this rackless module be calibrated in the field using a handheld monitor device?
A: No, the IC660BBA026 internal signal conditioning and conversion components are factory-calibrated and do not require manual adjustment. A Phase B Hand-Held Monitor (HHM) is utilized exclusively to manage software parameters, establish alarm limits, adjust conversion times, and clear active error logs.
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