... contact signals. It is connected to master device or computer with an RS485 interface and reply the data of contact state on ... register is from register25.- Degree of Protection IP40, Terminal IP20- Isolation 2Kv/1min,50Hz ( inputs, output and supplier)- Work Temperature -5C - 55C ... ,0xE1Reply: 0x01,0x10,0x00,0x12,0x00,0x01,0xA1,0xCCExplanation: Set device of delay of contact input as 4ms