coolmay hmi/plc all-in-one provides better solutions for machine manufacturers and end users by integrating plc,hmi,i/o and analog.easy to use,cost saving and high flexibility,it becomes more and more popular.it uses pluggable terminals on the inputs and outputs,power supplies,making installation and maintenance easier.some users may not have any electrical knowledge,but they will be able to disassemble and install the device ,no need to worry how to wire.if the equipment broke down,manufactures can only replace a new one instead of door-to-door maintenance.,coolmay hmi/plc all-in-one provides better solutions for machine manufacturers and end users by integrating plc,hmi,i/o and analog.easy to use,cost saving and high flexibility,it becomes more and more popular.it uses pluggable terminals on the inputs and outputs,power supplies,making installation and maintenance easier.some users may not have any electrical knowledge,but they will be able to disassemble and install the device ,no need to worry how to wire.if the equipment broke down,manufactures can only replace a new one instead of door-to-door maintenance.