Zhejiang Shuangkong Electrical Technology Co., Ltd. was established in July 2022. The company is located in Huzhou City, a city in the northern part of Zhejiang Province, the intersection of Zhejiang, Jiangsu, and Anhui provinces, the central area of the Yangtze River Delta, and the central city of the G60 Science and Technology Innovation Corridor. The company mainly engages in PLC modules, CPU modules, input/output modules, analog modules, power modules, communication modules, switching modules, interface modules, control modules, switching input/output modules, frequency converters, servo drives, motion controllers, S120 CNC, soft starters, DC speed regulators, network cables, motors, servo motors, motor drivers, motor supporting cables, touch screens, industrial control computers, switches, buildings Industrial automation drive products such as actuators, controllers, electric eyes, flame detectors, combustion valves, burners, displays, etc. Our products are widely used in industries such as automotive, electronics, food processing, mechanical manufacturing, clothing processing, and modern logistics. The company adheres to the business philosophy of "putting urban credit first and not sacrificing the future for short-term benefits". We will continue to innovate, forge ahead, and welcome inquiries and orders.

Siemens Programmable Controller S7-200CN ET-200 S7-200 S7-300 S7-400 S7-1200 S7-1500 smartS7-200

Siemens touch screen OP77-TP series MP277 MP377 TD200-TD400C

Siemens Communication Accessories DP Cable Ethernet Cable DP Connector Communication Card

Siemens motor V60-V80 servo motor 1FT servo motor Bede motor 1FK motor

Siemens frequency converter V10 series MM440 series G110 series G120 series

Siemens CNC system 810D system 840D system 808D 8404DSL

Siemens frequency converter series: MM420, MM430, MM440, G110, G120. MIDASTER series

Siemens fully digital DC speed control device 6RA23, 6RA24, 6RA28, 6RA70, 6SE70 series

Siemens actuators, burners, controllers, electric eyes, flame detectors, modules, operation panels, etc

Siemens SQN, SQM, AGG, LFL, LME, LMV, QRA, SKP, VGD, VGF, VRD and other series products

LFL1... burner control device designed specifically for forced air burner control and monitoring can be used for direct ignition or medium to high power burners with ignition burners. Fuel and gas are universal and can be applied to fixed preheating air burners WLE according to DIN 4794 standard

The difference between the 01 series and the 02 series lies in: ① the safety time of ignition burners with ignition gas valves is different; ② the controller for high-power atmospheric combustion is LFL1.638. If the burner needs continuous operation control, ③ for burners using ignition gas valves, the safety time is different.

After the allowed post ignition time of LFL1, the detection electrode and flame simulation test are immediately restored. The fuel valve that is not closed or not closed immediately locks the controller unit of the burner after the allowed afterburning time. The detection electrode and flame simulation inspection only ends when the pre purge time at the next burner start is completed- During each start-up of the burner, the correct operation of the flame monitoring circuit is automatically verified- The controller contacts used to release fuel are inspected during each subsequent purge time to ensure that the contacts do not close- A built-in fuse unit protects the contacts of the controller from overload.

T1 Pre purge time TAS Safe ignition time TAS Safe ignition time t3 Pre ignition time t3 Pre ignition time, Terminal 17 releases voltage t4 from t2 to terminal 19 releases voltage t5 from t4 to terminal 20 releases voltage t6 after purging time t7 starts command to terminal 7 releases voltage t9 safety time t10 starts to air pressure control start t11 full open time t12 full close time t13 allows for post purge time after shutdown t16 starts command to full open command interval t20 stops without post purging, Until next start interval

DANFOSS nozzle, HAGO nozzle, STEINEN nozzle. Atomized shapes are solid (S), semi solid (B), and hollow (H). Spray angle 45 degrees, 60 degrees, 80 degrees, etc. Weisaupt models W50-110, W50-125, W50-140, W50-160, W50-180, W50-220, W50-225, W50-250, W50-275, W50-300, W50-330, W50-360, W50-390, W50-420, W50-490. Programmable controller

SIEMENS series programmable controllers

SIEMENS program controller LOA24.171B27, SIEMENS program controller LOA44.252A27

SIEMENS program controller LMO44.255C2, SIEMENS program controller LAL1.25

SIEMENS program controllers LAL2.25, LAL1.2