Power Voltage and Current Acquisition Module Three-phase Four-loop Electric Parameter Acquisition Module Instrument

This product is three-phase four-loop, or can be used as a single-phase 12-loop. It is cost-effective for customers who need more routes.

I. Product Introduction

PK1013-4 module is an intelligent electric parameter acquisition module. It can measure current and electric energy in single-phase 12-loop or three-phase four-loop circuits. Its output is RS-485 digital signal. The module adopts MODBUS-RTU protocol. Modules are widely used in the field of power monitoring. .

II. Main Performance Description

1. Measurement accuracy:

_Current: 0.5 level

_Voltage: Level 0.5

_Active power, reactive power, power factor: 0.5 level

_Active Power: Level 1.0

2. Frequency of power system: 45-75Hz

3. Input signal:

Voltage range (phase voltage): 20V, 50V, 60V, 100V, 200V, 250V, 300V, 400V, 500V optional

Current range: 1A, 5A, 10A, 20A, etc. can be selected. Large current signal can be measured by external transformer.

Signal processing: 16-bit A/D conversion, 6 channels, each channel is synchronously sampled at 4 KHz rate, real-time data of the module is 1 second true RMS.

Overload capacity: 1.2 times range input can be correctly measured; instantaneous (10 cycles) current 5 times, voltage 3 times range is not damaged.

4. Communication output:

Output Interface: RS-485 Two-wire +15KV ESD Protection

Communication rate (Bps): 1200, 2400, 4800, 9600, 19.2K

Communication protocol: MODBUS-RTU.

5. Parameter setting: module address, communication rate, voltage-to-rheological ratio, electrorheological ratio and base number of power can be set through communication interface.6. Power supply: DC + 8-30V, power consumption < 0.5W, AC 220V power supply can be selected.

7. Working environment: - 40 70 Storage temperature: - 40 85 Relative humidity: - 5% - 95% no dew.

8. Shape size: length * width * height = 145 * 90 * 72mm

9. Installation mode: DIN 35mm rail clamping

Built-in transformer, for high current can be directly installed perforation