The Yokogawa 760812 Current Module is a high-precision input module engineered for current measurement in Yokogawa process control and data acquisition systems. It captures and digitizes current signals from field devices with 12-bit resolution at up to 100 MS/s, delivering accurate analysis for demanding industrial and laboratory power measurement applications.
Technical Specifications
Signal Acquisition
• 12-bit A/D converter with 10 ns conversion period
• Sampling rate: up to 100 MS/s
• Bandwidth (direct input): DC to 10 MHz (−3 dB)
• Bandwidth (sensor voltage input): DC to 20 MHz (−3 dB)
Input Ranges
• Direct input current: 10 mA to 5 Arms
• External sensor input voltage: 50 mV to 10 Vrms
• Common mode voltage: maximum 600 Vrms
Accuracy
• 45 Hz to 1 kHz: ±0.1% of reading + 0.1% of range
• 50/60 Hz (direct input): ±(0.01% of range + 10 μA) or better
• General conditions: ±0.1% of reading (Time/div > 50 μS, minimum 5 cycles, sampling frequency/input frequency ratio > 2.5)
Memory & Filtering
• Standard record length: 10 M points per module
• Optional /M1: 50 M points; /M2: 100 M points
• Line filter: OFF, 500 Hz, 2 kHz, 20 kHz, or 1 MHz (selectable)
• Frequency filter: OFF, 100 Hz, 500 Hz, 2 kHz, or 20 kHz (selectable)
– Key Features
• Plug-in module architecture with independent memory allocation
• Direct input via male plug-in terminal; external sensor input via isolated BNC connector
• Maximum 600 Vrms common mode rejection for industrial environments
• Selectable filtering for noise suppression across multiple frequency bands
– Typical Applications
Power quality analysis, precision power measurement, transient current capture, industrial process monitoring, and laboratory instrumentation requiring high-resolution DC-to-RF current acquisition.
– Compatibility & Integration
Fully compatible with Yokogawa PX8000 Precision Power Scope and data acquisition systems. Installs alongside voltage modules (760811) and auxiliary modules (760851). System supports up to 8 total modules with maximum 4 power measurement elements.
