Does the system can operate normally if we use a 3.5A power supply when FC-8840A control four doors(including electric locks)?
One FC-8840A Access Control Board working current is 200MA-350MA, 8 groups access controller with standard working current is 120*8=960MA, 4 Electric locks working current is 120MA-600MA/Set, If calculated with 4 locks, then the working current is about 2.4A, if all together, the current estimated at around 3.5A, you say the maximum power output is 3.5A, if like this, the power will be not enough, the regular specification of the power supply should provide 30~50% power sources. It is recommended to choose 5A working power supply or 3.5A switching power supply to provide on mainboard and card readers, the electric lock need to equipped with other power supply. At present, due to the limited size of the chassis,
We suggest that use special 3.5A power to supply board and card reader's current, and then equipped with other power to supply the electric lock.
