Description
Direct Supply BRAND NEW PARTS Application scenarios : It is suitable for medium and large refrigeration systems, especially for occasions that require strict control of medium temperature (such as warehouse temperature, coolant temperature). It can be used with Danfoss ICS/PM series main valves, CVQ pilot valves or ICM electric valves to achieve precise regulation of evaporation temperature and liquid supply, ensuring that the temperature of the cooled medium remains within the set range. Temperature control accuracy : Adopting advanced PID+PWM (Pulse Width Modulation) control algorithm, the temperature control accuracy can reach ±0.1℃ (under steady-state conditions), which is much higher than conventional controllers. It can effectively reduce the impact of temperature fluctuations on stored items (such as fresh food, medicines). Control modes : Medium temperature priority control : Directly monitor the temperature of the cooled medium (such as warehouse temperature) through Pt1000 or NTC sensors, dynamically adjust the valve opening, and give priority to ensuring the stability of the medium temperature. Evaporation temperature auxiliary adjustment : It can be connected to the evaporator outlet temperature sensor, and perform composite control combined with the medium temperature signal to avoid excessive frosting of the evaporator or liquid carryover in the return gas, and optimize heat exchange efficiency. Multi-stage setting function : Supports presetting multiple sets of temperature parameters according to time or working conditions (such as day/night mode, storage requirements for different batches), and automatically switches control logic to improve energy efficiency. Input and output specifications : Temperature input: 2-3 sensor interfaces (compatible with Pt1000, NTC), used for medium temperature, evaporation temperature, and ambient temperature monitoring respectively. Analog input: 1 channel of 4-20mA signal interface, which can be connected to external pressure sensors or flow sensors to realize multi-parameter linkage control. Output signals: Analog output (0/4-20mA): Directly drives the ICM electric valve with an opening accuracy of 0.1%. Digital output (3 relays, SPST, AC250V/5A): Used to control auxiliary equipment such as solenoid valves, fans, and alarm devices. Protection and alarm functions : Equipped with protection mechanisms such as sensor failure (disconnection, short circuit), over-temperature/low-temperature alarm, and abnormal valve drive. Alarm signals can be output through relays or uploaded via communication interfaces. Supports compressor start-stop interlock control to avoid frequent start-stop or overload of the compressor caused by abnormal temperature. Power supply and environmental parameters : Power supply voltage: AC 24V ±15%, 50/60Hz, power consumption is about 6VA (including valve drive). Operating environment: Temperature -10℃ to +60℃, humidity 10%-90%Rh (no condensation), protection class IP20, suitable for DIN rail mounting in control cabinets (size approximately 140×80×40mm). Communication and configuration : Supports Modbus RTU communication protocol, which can be connected to ADAP-KOOL® systems or third-party monitoring platforms to realize remote parameter setting, data recording and fault diagnosis. Equipped with an LCD display and buttons, it supports on-site viewing of real-time temperature, valve opening and historical alarm records. Parameter settings support password protection to prevent misoperation.
Slight mix-up on the quantity of the order but the seller was very responsive and immediately sent the balance of the propellers ordered along with a sincere apology. Mistakes happen and this seller dealt with it like a professional! I would gladly do business with plc-electric again in the future. Thank you!
The item arrived faster than expected and was packaged securely. The item itself is exactly as described and fit perfectly on my DJI Magic 2 Pro. The communication from the seller was also great. They messaged me at every step of the shipping process and were very kind.
Excellent supplier. The item arrived exactly as described, well packed and in very good condition. Fast shipping and professional communication. I highly recommend this seller and look forward to doing more business in the future. Thank you.
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