Module 2 cổng PoE Ethernet Modbus TCP 16 kênh đầu vào số DI ICP DAS PET-7253
The PET-7253 provides 16 dry contact digital input channels. Each input channel can be used as a 32-bit counter. It features optical isolation for 3750 Vrms of transient overvoltage protection but doesn’t provide channel-to-channel isolation. It can safely be used in applications where hazardous voltages are present.