8-Channel Fully Isolated DC Acquisition Module

8-Channel Fully Isolated DC Acquisition Module

Product Overview
This product is a real-time measurement and acquisition module for comprehensive collection of electrical parameters of 8-channel DC loads. It uses high-speed isolation devices to achieve isolation between each channel signal. The signal measurement adopts a dedicated 24 bit high-precision true RMS measurement chip to measure effective value parameters such as current, voltage, power, and accumulated electricity. It has high accuracy, good stability, and fast sampling speed; Adopting the standard RS-485 bus MODBUS-RTU protocol. Widely used in street lamp monitoring, production automation detection, computer room monitoring, enterprise energy consumption detection big data analysis, etc.

Model

ZH-44084-*4M2:8 channel DC power acquisition module(RS485 or Ethernet communication for your choices)

ZH-44081-*4M2:8 channel DC voltage module(RS485 or Ethernet communication for your choices)

ZH-44082-*4M2:8 channel DC current acquisition module(RS485 or Ethernet communication for your choices)

ZH-44083-*4M2:8 channel DC current and voltage combo acquisition module(RS485 or Ethernet communication for your choices)

ZH-4408*-*4M2:8 channel DC and AC universal acquisition module(RS485 or Ethernet communication for your choices)

Product Features

1.Measurement of voltage, current, power, and accumulated power of 8-channel DC loads, capable of universal measurement for both AC and DC;

2. Fast speed, 8-channel independent AD synchronous sampling, can complete data acquisition of all 8 electrical parameters in as little as 20ms;
3. High precision, using 24 bit AD sampling, dynamic range of 1000:1, and linear current range of up to 0.1%;
4.10mS,20mS、40mS、60mS、80mS、100mS、400mS、1000mS Seven adjustable collection speeds, which means completing the measurement of all electrical parameters within the set time;
5. It has both unipolar and bipolar measurement functions and can be selected for use;
6. High reliability, 8 channels are isolated from each other, power supply, communication and tested end are fully isolated, and the withstand voltage is greater than 2500V;
7. There are two options for setting the address and baud rate with a hardware dip switch, as well as software settings;
8. Plug and unplug terminals, easy to use, exquisite appearance, flame-retardant ABS;
Performance metrics
1. Accuracy level: 0.2% FS;
2. Current range: 1mA, 20mA, 100mA, 1A, 5A, 10ADC, etc. can be customized (can measure uA level current);
3. Voltage range: 75mV, 1V, 5V, 10V, 50V, 100V, 250V, 400V, 500VDC, etc. can be customized;
4. Input impedance: voltage channel>2 k Ω/V; current channel sampling voltage less than 0.15V;
5. Overload capacity: 1.2 times the range is sustainable and measurable; Instantaneous (<50mS) current 5 times, voltage 1.5 times the range without damage;
6. Working temperature: -20 ℃ to+70 ℃;
7. Frequency response: 0-1000Hz (for AC/DC universal products)
8. Data collection update time: 20mS, 40mS, 60mS, 80mS, 100mS (default), 400MS, 1000MS can be set;
Note: When the input is an AC signal with a frequency other than 50Hz, the sampling speed needs to be adjusted to 400mS.
9. Isolation withstand voltage:>2500V DC;
10. Auxiliary power supply:+9V~30V or+9V~57V;
11. Rated power consumption:<1.5W (typical 24V power supply 56mA);
12. Output interface: RS485 RS485 (standard Modbus RTU communication protocol);
13. Data output: 8 channels of DC voltage, current, power, and accumulated electricity;
14. Communication baud rates: 4800, 9600, 19200, 38400, 57600, 115200 bps; (Can be set up through software or hardware)
15. Data format: no parity/odd parity/even parity, 8 data bits, 1 stop bit;
Or special method: no verification, 8 data bits, 2 stop bits (the 9th bit can be set to 1 or 0);
16. Lightning surge: 2KV;
17. Installation method: 35mm rail installation; Appearance size: 120X110.5X50mm
Note: This product defaults to software modification at the factory, with parameters including Address 1, baud rate 9600, no checksum, 8 data bits, and 1 stop bit.