Remote Terminal Unit32 contact inputs RS485 (Modbus-RTU) IEC61000 1. General PZK32 can accepts 32 actives or passive contact signals. It is connected to master device or computer with an RS485 interface and reply the data of contact state on a real-time. At the same time it can store 1600 events (SOE) to accurately indicate the time of the change of contact state. 2. Technical feature- Input 32 ...