Three-channel RS485 AC current acquisition module for equipment current, energy monitoring and industrial control systems.
Tax-inclusive reference prices in CNY. Negotiable; the quotation reflects the selected configuration, quantity and delivery requirements. All products carry a 3-year warranty.
For a complete system, include the power supply, sensors, communication access and platform deployment in your enquiry.
Three-channel RS485 AC current acquisition module for equipment current, energy monitoring and industrial control systems.
The page is written for engineering companies, system integrators, device manufacturers and B2B project procurement teams.
Current acquisition helps observe loads and operating states. Compare energy acquisition and multi-circuit metering when voltage, power, energy or circuit-level accounting is also required.
Select metering by three-phase wiring and direct or current-transformer input. Branch accounting and power-quality diagnosis are different data objectives with multi-circuit acquisition and power terminals.
View product detailsUse the module for separate single-phase branch measurements rather than only a distribution total. Plan branches, current transformers and reporting dimensions; compare three-phase systems for whole three-phase loads.
View product details| Acquisition channels | 3 independent AC current channels |
|---|---|
| Current range | 0–120A AC |
| Communication interface | RS485 |
| Protocol | Modbus RTU |
| Supply | 9–24V DC |
| Mounting | 35mm DIN rail or panel mounting |
| Terminal identification | VCC, GND, I1, I2, I3, 485A, 485B |
Three channels expose the current of fans, pumps, lighting or equipment branches through RS485. Name each measurement by its load and review changes during starting, stopping and normal operation. Current complements relay control feedback. Use a suitable energy device when voltage, power and cumulative energy are also required.
The module uses a 9–24V DC supply and reports data through RS485 Modbus RTU. Connect matching current transformers to the measurement channels and the appropriate A/B interface to the host. A CT-to-circuit register should include channel and range so that supervisory values correspond to the correct physical loads.
Correlate switching timestamps with current: whether current appears after a start command, remains after shutdown or differs between shifts. Configure thresholds and time windows from the normal load behavior. Deviations provide maintenance clues alongside field states and protection devices. The module acquires data; the host system implements alarms and reports.
No. Energy measurement also requires the appropriate voltage, power-factor and metering functions. Select an energy module or meter for that task.
Yes. Correlate fan current with start/stop records and configure thresholds and time windows for the specific fan.
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