DM8350B Weigh the controller

1. technical feature

1. Using field bus technology can easily realize multi-point control, data collection, interface expansion and communication with the upper computer, and truly realize the digitalization of belt scale.

2. High-speed industrial-grade processor can guarantee the real-time performance of the instrument under any circumstances.

3. Adopt SMT process, modular high-performance switching power supply, large screen full Chinese character information prompt, all industrial-grade components.

4. The instrument adopts multiple filtering technology, and the input and output interface adopts various hardware anti-interference technologies such as photoelectric isolation, resistance filter, transient voltage voltage protection, as well as software anti-interference measures such as digital filtering, data calibration and watchdog reset.

5. Before leaving the factory, all the products will pass 72 hours of high temperature and live aging, two weeks of onboard simulation operation and simulation test and electromagnetic compatibility (qualitative) test.

2. major function

1. The instrument has basic functions such as [system setting], [parameter modification], [interface test], and [manual automatic operation]. Some functions can set up the password protection.

2. It can realize various operation modes, such as instrument keyboard operation, external signal (port) operation and upper computer operation, to meet the needs of various users.

3. The optional chain code calibration and physical calibration two calibration methods to meet the needs of different users.

4. The digital transmission of the belt scale signal can be realized by using the machine-side data acquisition module.(selectable)

5. Intelligent PID adjustment, optional parameters for self-setting function.

3. It can be connected to the upper computer, PLC or DCS through the instrument interface and communication interface.

4. Accumulated value control (quantitative feed control).

8. Two working modes of speed regulation and constant speed.

9. Set up 8 kinds of alarm outputs, and each kind of alarm can output the alarm signal respectively.

10. Has the moisture input function, which can automatically deduct the moisture in the material.

3. qualification

1. Working power supply: 85-265 ACV / 10W

2. Working environment: -10-50℃ / 5-90% RH (no condensation).

3. Weight detection: 16 bits, the input sensitivity is 0.4-1.0 μ V / D (the gain according to the factory setting), and the error is less than 0.02%.

4. Speed measurement: error less than 0.02%, pulse frequency range 2-3000Hz. The instrument provides the working power of speed sensor 16V / 50 mA.

5. Comprehensive instrument error: less than 0.03%.

6. Instrument resolution: 65,000

7. Display digit: 5 bits (except the cumulative value).

8. Display format: LCD display.

9. Analog input channel: 16-bit, 2 CH, with adjustable gain. The CH 1 can be directly connected to the load sensor, and the instrument provides 10V / 100 mA power supply for the sensor.

10. Analog output channel: 14-bit, 2 CH. Current output: 0-20 mA output, the load is less than 500 euros;

11. Switch input channel: 6 channels, effective pull down (ground). The required driving capacity is 10 mA.

12. Switch volume output channel: 8 channels, OC form, which can drive the DC resistance load of 50V / 200 mA.

13. Overall Size: 150 (H) * 105 (W) * 170 (D) Opening size: 138 (H) * 90 (W) (unit: mm).

3. Standard configuration and optional accessories

1. Standard configuration: DM8350B, with RS485 bus communication function, the standard MOdbus-Rtu communication protocol, convenient connection to connect various configuration software.

2. Expansion communication: CAN bus, equipped with the company's WTC-380 communication module, can be formed with the computer system of CAN bus network road, remote communication distance 1000 meters, higher communication rate 1 Mhz. Profibus-DP communication, optional function, can be directly connected to the profibu-dp network without any intermediate conversion module, with high communication efficiency, strong real-time and other characteristics.