... Unit 32 contact inputs RS485 (Modbus-RTU) IEC61000 1. General PZ-K32 can accepts 32 actives or passive contact signals. It ... is 0000,0000,0000,0000,1000,1110,0000,0100; the channel 3, 10, 11, 12, 16 are NC and others are ... : 0x8E,0x04 to binary is 1000,1110,0000,0100; the channel 19, 25, 26, 27, 32 are NC and others are ...