16 relay interface for lift access system.
Each interface can be looped to support multiple of 16 floors.
AR401R016 is 16 channel relay interface to connect up to 16 lift level.
Multiple AR401R016 can be looped together via RS485 bus to achieve more than 16 floors.
All relay is NC by default. Upon power up, all relay will become NO.
Card access reader will instruct AR4016R016 lift relay to open designated relay depending
on the floor allowed for access permission.
