Item information
Brand:
| GE | Item number: | IC660BBA020 |
| Package: | 100% original package | Payment term: | T/T |
| Shipping way: | DHL/Fedex/UPS | Delivery time:
| 2-3days |
| Inquiry response time: | Within 1 hour | Service: | After-service |
| Warranty: | 1 year | MOQ: | 1 pcs |
Product specifications and parameters
Technical Documentation for GE IC660BBA020 (24/48 VDC Voltage/Current Analog
Input/Output Block)
1. Product Overview and Core Function
The GE IC660BBA020 is a 24/48 VDC Voltage/Current Analog Input/Output Block belonging to GE Fanuc’s Genius I/O product line. It is designed to interface with industrial analog devices, providing 4 independent analog input circuits and 2 independent analog output circuits for seamless integration into process control systems.
Its primary function is to convert analog signals (voltage or current) between field devices (e.g., sensors, transmitters, actuators) and digital values compatible with GE Fanuc’s Genius bus controllers (e.g., Series 90, Series Five, Series Six PLCs). It supports signal ranges such as 0–5 VDC, 0–10 VDC, ±5 VDC, ±10 VDC, and 4–20 mA, making it suitable for applications like process temperature, pressure, flow, and level monitoring/control in industries such as chemical processing, power generation, and oil/gas refining.
The block features built-in signal conditioning, linear scaling to engineering units, and advanced diagnostics, ensuring reliable performance in harsh industrial environments. It operates with 24/48 VDC power and integrates with GE’s Hand-held Monitor (HHM) for configuration and troubleshooting.
2. Key Features
2.1 Versatile Analog Signal Support
Dual Signal Types: Accepts both voltage (0–5 VDC, 0–10 VDC, ±5 VDC, ±10 VDC) and current (4–20 mA, equivalent to 1–5 VDC) inputs/outputs. External resistors can be used to adapt to non-standard current-loop devices.
Independent Circuits: 4 input circuits and 2 output circuits operate independently, with group-to-group isolation to prevent cross-talk and interference.
Engineering Unit Scaling: Automatically converts raw analog signals to/from user-defined engineering units (e.g., °C, psi, L/min) via configurable scaling points, eliminating the need for manual calculations in the PLC program.
2.2 Advanced Performance and Reliability
High Accuracy: ±0.2% full-scale (typical) accuracy at 25°C, with ±0.5% full-scale maximum deviation. Ensures precise measurement for critical process variables.
Selectable Input Filter: Adjustable input filter time (0, 8, 16, 32, 64, 128, 256, 512, 1024 ms) to reject electrical noise and stabilize readings in noisy industrial environments.
Cold Junction Compensation (CJC): For temperature-related inputs (e.g., thermocouples), integrated CJC corrects for ambient temperature variations at the terminal, maintaining measurement accuracy.
Surge Protection: Complies with EN 61000-4-5 for surge immunity (1 kV line-to-line, 2 kV line-to-ground), protecting against voltage transients common in industrial wiring.
2.3 Diagnostic and Safety Capabilities
Comprehensive Diagnostics: Automatically detects faults including:
Input underrange/overrange (signal outside configured range).
Open wire (for 4–20 mA inputs, current < 2 mA).
Low/high alarms (input exceeds user-defined thresholds).
Output underrange/overrange (commanded output outside safe limits).
Fault Reporting: Configurable circuit-by-circuit fault reporting to the CPU; faults are also visible via the HHM and block LEDs (Unit OK, I/O Enabled) for quick troubleshooting.
Output Hold/Default: Each output can be set to “Hold Last State” or revert to a preconfigured default value if communication with the CPU is lost, preventing unsafe process conditions.
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