ValveV1Control uses on delay timer TON in addition to other ST programming features. Figure 5b: program ValveV1Control in ST In any PLC, reading inputs from physical I/O cards is unavoidable. The ...

Designed to be used in time delay relays for HVAC equipment and industrial controls, the LS7213 is a CMOS silicon gate delay timer IC that incorporates four operating modes and eight time delay ...