As shown in the above group of pictures, QGKZD-2W is a DC dual charging control communication unit that controls dual guns, which can meet the control of DC dual charging charging piles. The product uses aluminum-zinc plate as the main control board casing.

Beautiful and integrated, superior performance.

The QGKZD-2W DC dual charging control communication unit is a two-in-one control board for A and B dual guns.

To control dual gun charging, the function configuration is as follows:

1. Hardware configuration

1) Power supply: AC220±20%V, 1A

2) Spare output: 2 dry contact outputs, spare.

3) Fault alarm output: 1 dry contact output, used for fault output or AC controlenter.

4) Electromagnetic lock: 2-way electromagnetic lock 12v output, can switch 12v positive and negative, to meet the driving requirementsmoving coil or motor.

5) Bleed resistor control: 2 channels of bleed control output, used to control the bleed circuit.

6) Cooling fan control: When charging, control the starting fan.

7) Fault indicator light: fault indication.

8) B charging indicator light: B charging indicator.

9) A charging indicator: A charging indication.

10) Power indicator light: power indicator.

11) A-BMS power output: Control the BMS power output of gun A.

12) B-BMS power output: Control B gun BMS power output.

13) A-circuit breaker output: A gun controls DC+\DC-circuit breaker output.

14) B-circuit breaker output: B gun controls DC+\DC-circuit breaker output.

15) Emergency stop state: emergency stop charging button state, switch value collection.

16) A circuit breaker KM1 status: A circuit breaker KM1 status, switching value collection. 17) A circuit breaker KM2 status: A circuit breaker KM2 status, switching value collection.

18) B circuit breaker KM1 status: B circuit breaker KM1 status, switching value collection.

19) B circuit breaker KM2 status: B circuit breaker KM2 status, switching value collection.

20) A electromagnetic lock status: A The closed or disconnected status of the electromagnetic lock, the switching value is collected. 21) B electromagnetic lock status: B electromagnetic lock closed or open state, switch value collection. 22) A gun temperature status: A charging gun tip temperature switch status, switch value collection. 23) B gun temperature temperature status: B charging gun head temperature switch status, switch value collection.

24) Standby state: standby switch status, switch collection.

25) Cabinet door status: cabinet door open and close switch status, switch value collection.

26) Car A CC1 signal: meets the national standard 6v and 4v analog quantity collection.

27) Car B CC1 signal: meets the national standard 6v, 4v analog collection.

28) External power supply: external control power input, used to drive intermediate relays, power supplyCompatible with 12V input.

29) USB upgrade interface: used for controller local upgrade program.

30) Touch screen: human-machine interface operation, standard 7.0-inch industrial screen, communication RS232.Others can be customized.

31) Card reader: external IC contactless card reader for settlement.

32) Ethernet: Backup communication interface, networked with the backend. Equipped with standard RJ45 Ethernetinterface.

33) 4G communication: 4G module interface is reserved, and onboard 4G communication module can be installed to realize the backgroundNetwork communication function.

34) Bluetooth: An external Bluetooth module can be used, and RS485/232 communication can be switched by shorting the jumper cap.protocol.

35) Insulation detection: used for insulation detection and measuring 2-way insulation resistance at the same time.

36) Electric meter: The electric meter address can be set, the electric meter interface is RS485.9600.E.8.1, the protocolAll three-phase meters that meet the national standard DLT645-2007 can be used.

37) A-BMS-CAN communication: A-gun battery management system (BMS) communicates with the controller,Meet the new national standards.

38) B-BMS-CAN communication: B-gun battery management system (BMS) communicates with the controller,Meet the new national standards.

39) A-ACDC-CAN communication: The controller communicates with the A-gun ACDC module power supply can,It meets a variety of module protocols, and can also customize the protocol according to the module manufacturer used by the customer.

40) B-ACDC-CAN communication: The controller communicates with the B gun ACDC module power supply can,It meets a variety of module protocols, and can also customize the protocol according to the module manufacturer used by the customer.

41) CAN line terminal resistor: No external terminal resistor is required. The main control board is equipped with 2*120Ω resistors that can be switched through jump caps to improve the anti-interference ability of CAN communication (generally suitable for 6 guns and above)charging pile products).

42) Extension-standby: Reserve the interface for expansion and standby.

43) A-DC measurement input: measure the A-gun vehicle charging voltage.

44) B-DC measurement input: measure the B gun vehicle charging voltage.

45) The outer casing of the main control board is made of aluminum-zinc plate material: beautiful appearance, strong corrosion resistance, andEffectively shields electromagnetic interference, has excellent heat dissipation performance and high mechanical strength.

2. Software configuration

1. Human-machine interface

A) Standard 7-inch industrial touch screen. (10-inch and 12-inch screens can be customized according to requirements)

B) Charging voltage, charging current, energy measurement information, account balance, consumption amount,Charged time and various status inputs.

C) Equipped with power supply, running charging and fault indicator lights.

D) Administrator parameter settings require a password to enter.

E) Display the latest 50 fault alarm information records, which will not be lost after power failure.

F) Status display and text reminder during charging to prevent personnel from misoperation.

2. Charging function

A) BMS complies with the new national standard GB/T27930-2015

B) Charging mode: fixed charging, scheduled charging, quantitative charging, scheduled charging, automaticfull.

C) Power-off charging record saving function, charging information will not be lost when power is lost.

D) The function of saving the record of charging when disconnected from the network, the charging information will not be lost when the network is disconnected, and the network connection will continue.Upload billing information.

E) Record 100 pieces of charging information in a loop. It will not be lost in case of power outage and can be uploaded to the background.

F) Supports swiping card to start charging.

G) Support scanning QR code to start charging.

3. Protection fault alarm function

A) AC input overvoltage, undervoltage, overcurrent, short circuit, leakage, lightning protection, partial protectionThe protection value can be set.

B) The electromagnetic lock locks the charging gun during charging.

C) During charging, the temperature of the gun tip is monitored, an over-temperature alarm occurs, and charging is stopped.

D) Equipped with an emergency stop switch, which can emergency stop charging through manual or remote communication instructions.

E) Manual confirmation is required when starting charging.

F) When an important alarm occurs in the system, the relevant alarm fault will be reported immediately.

G) BMS charging 4-step fault indication.

4. Payment function

A) Support contactless IC card swipe payment.

B) Pay by scanning the QR code on the mobile APP.

C) Support WeChat scan code payment.

5. Measuring function

A) Electric meter measurement.

6. Background communication function (protocol can be customized)

A) Supports Ethernet communication (standard configuration).

B) Supports RS485 communication (standard configuration).

C) Supports RS232 communication (standard configuration).

D) Support GPRS 2g/3g/4g communication (standard) or WIFI (optional).