DC Dual Charging Control Board

Power Supply（POWER): DC12V±0.5V2A
Swipe card board 232: Card reader, RS232 communication, external IC non-contact card reader, used for card charging and card settlement
Display 232: Touch screen RS232 communication, human-machine interface, compatible with Devin, Xinruida 4.3-inch and 7-inch touch screens, customizable for screens from other manufacturers
LED indicators: A gun standby light, B gun standby light, A gun charging light, B gun charging light, fault alarm light, output power supply 3.3V: charging station charging, standby, fault alarm and other indicators. The LED interface is rich and can produce various display effects. When the A gun is in standby mode, it displays blue, and when the A gun is charging, it flashes green. Fault indicator light: red

Parameter

Item/Model	DC Dual Charging Control Board
Power Supply （POWER)	DC12V±0.5V2A
Swipe card board 232	Card reader, RS232 communication, external IC non-contact card reader, used for card charging and card settlement
Display 232	Touch screen RS232 communication, human-machine interface, compatible with Devin, Xinruida 4.3-inch and 7-inch touch screens, customizable for screens from other manufacturers
LED indicators	A gun standby light, B gun standby light, A gun charging light, B gun charging light, fault alarm light, output power supply 3.3V: charging station charging, standby, fault alarm and other indicators. The LED interface is rich and can produce various display effects. When the A gun is in standby mode, it displays blue, and when the A gun is charging, it flashes green. Fault indicator light: red
A-gun auxiliary power supply12V (DO1)	Control the BMS-12V power supply of gun A, normally open
A gun auxiliary power supply 24V (DO2)	Control the BMS-12V power supply of gun A, normally open
B-gun auxiliary power supply 12V (DO3)	Control the BMS-12V power supply of B-gun, normally open
B gun auxiliary power supply 24V (DO4)	controls B gun BMS-24V power supply, normally open
AC contactor(DO5)	controls the AC main input contactor, normally open
A-gun DC contactor (DO6)	controls the A-gun DC output contactor, normally open
B-gun DC contactor (DO7)	Control the B-gun DC output contactor, normally open
Switching DC contactor (DO8)	Fixed power distribution charging station: DC output contactor that controls power switching between guns A and B. Flexible charging station: When using 3-section (3 modules in total) and 4-section (4 modules in total) flexible charging stations, control the mobile module 1 to switch to the A-gun output and keep it normally open
Cooling fan (DO9)	Control the cooling fan of the charging station, normally on
When switching DC contactor 2 (flexible pile) (DO10)	3-section flexible charging pile (3 modules in total), control the mobile module to switch to B-gun output; When using a 4-stage flexible charging station (consisting of 4 modules), control the DC output bus of Mobile Module 2 to switch to Mobile Module 1 and keep it normally open
When switching DC contactor 3 (flexible pile) (DO11)	4-section flexible charging pile (4 modules in total), control mobile module 2 to switch to B-gun output, normally open
Emergency stop detection (DI1)	Emergency stop charging button status detection, switch quantity collection
Threshold detection (DI2)	Cabinet door open/close switch status detection, switch acquisition
Communication contactor feedback (DI3)	AC input contactor suction status detection, switch quantity collection
Lightning protection detection (DI4)	Detecting the working status of lightning arresters and collecting switch values
A-gun electronic lock feedback (DI5)	A-gun electronic lock lockgun/unlock status detection, switch quantity collection
B-gun electronic lock feedback (DI6)	B-gun electronic lock lockgun/unlock status detection, switch quantity collection
Feedback of A-gun DC contactor (DI7)	A-gun DC contactor suction status detection, switch quantity acquisition
Feedback of B-gun DC contactor (DI8)	Detection of the suction status of B-gun DC contactor and acquisition of switch values
Switching DC contactor feedback (DI9)	Switching DC contactor status detection, switch quantity collection
Backup (DI10)	Backup switch quantity detection input port
Working temperature	-20°C ~ 60°C
Storage temperature	-40°C ~ 85°C
Bare board installation dimension diagram	186mm* 106mm

DC Dual Charging Control Board

Parameter

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