Thermal Insulated High Speed Overhead PVC Curtain Freezer Door Roll up High Speed Door for Cold Storage

Man-machine dialogue interface: It can realize a complete and systematic dialogue effect to minimize the maintenance labor cost and efficiency after acceptance and after the warranty period. The daily synchronous display of "door opening", "working time" "run time" and various running codes

Fast door power failure menory function: When the power is off, the swtich position of the fast door can be manually operated at will, and it can work directly without adjusting the limit after power on

Steering setting and identification function: When the phase sequence of the 380V power input or the phase sequence from the control box to the motor is connected incorrectly, the system directly reports an error, which effectively avoids major safety accidents caused by neligence in the later period of self-maitenance or relocation

Effective operating position setting and recognition function: When the fast door limit is set, the control system can intelligently identify whether the door is moving in an illegal range. Once the system recognizes, it will promot "limit abnormal" and stop request continue to work after overhaul, this function is mainly aimed at the later brake system failure

Permanenet and no cumulative error: The encoder accumulates the most common and common fault problem of fast doors at present, and the full-scale adbolute value limit technology completely avoids this

Full-range absolute value limit technology: Multi-turn absolute value encoder is the main supporting hardware for the whole range limit technology. It is a traditional incremental encoder (using pluse counting to simulate the stop position) and a single-turn absolute value encoder. The upgraded version of (using the program to count the number of turns) is equivalent to adding the number of turns of the gear set on the basis of the traditionally applied encoder, so that each position signal from the encoder to the controller is independent, based on multi-turn adsolute characteristics of value encoder.

Position closed-lopp frequency modulation technology: Mainly refers to the random change of the running speed of the fast door, and there is no need to re-calibrate the limit after adjustment.

Professional drive circuit board hardware: The traditional control system using common PLC and frequency converter and incremental encoder on the markey has many inherent limitatios in the fast door technology, which cannot be perfect: such as various safety protections. The response time of the swtich is the cumulative error of the incremental encoder, the connection problem between the multi-turn adsolute encoder and the PLC, and the non-professionals cannot repair it. Shortcut function of itinerary setting, people-vehicle diversion function, standard various equipment likage port etc.