Technical Specifications
Input ranges are 0-20 mA and 4-20 mA software configurable. Resolution is 12-bit digital with 5.0 μA analog resolution. Typical conversion time is 60 μs per channel. External power supply is 24 VDC for field transmitters. Current draw from BIU is 51 mA maximum.
Functional Features
Revision K incorporates optimized internal components for enhanced anti-interference capability and long-term stability. Eight-channel density supports centralized analog signal acquisition. 12-bit resolution provides precise measurement. Wire break detection in 4-20 mA mode triggers diagnostic alarms. Overrange and underrange diagnostics identify sensor faults.
Application Scenarios
Pressure and temperature monitoring, flow measurement, level sensing, process control loops, and distributed I/O systems requiring reliable analog current input acquisition.
Performance Parameters
60 μs per channel conversion speed supports dynamic process monitoring. 5.0 μA resolution captures small signal variations. ±0.05% full-scale accuracy at 25°C ensures reliable control inputs.
Material Composition
Industrial-grade housing with updated revision K component specifications, precision analog front-end, and isolated data interface.
Structural Characteristics
Standard Field Control module form factor with top LED indicator. Compatible with IC670CHS series terminal blocks and base units.
Working Principle
Field current signals are converted to voltage across precision resistors, filtered, buffered, and digitized by a 12-bit A/D converter. Digital values are transmitted to the host system via the Bus Interface Unit.
Installation Requirements
Install on Field Control base unit. Configure input range per channel via BIU software. Connect transmitter wiring per 2-wire, 3-wire, or 4-wire requirements.
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