KOYO strictly implement European Standard EN81 and awarded Germany TUV Certificate with CE Logo. KOYO has many superiorities as follows: - Main board (KOYO self-developed)- ARM 32 bits microprocessor- Basic points: 36 points input, 24 points input, it can be extended to 68 points input.- Key-press input, LED display, parameters can be set and history records could be shown.- 1000 pieces malfunctions and records could be saved.- Remote communication interface (RS485 and CAN)- Power-off real time protection- All the contactors are from LG and relays from OMRON; the switches for controller are waterproof. - All escalator protection switches are from Schmersal (Europe brand). - We use wiring in different color in controller which is easily inspected, and there are also corresponding code for each wiring.- From the point of people-oriented idea, we design main power switch on the control box so that the power would be off as soon as the controller door is opened.- We use gear box from Germany SIMENS and motor from Taiwan. During motor operation, there is little noise and shaking. - LED self-diagnosis panel is in the inner decking. When there is malfunction, you can know what the problem from the LED panel is; there is no need to remove the landing plate.