7 Application Instructions API 50-99 X7 X1 D2: Present value D0: Detected value Content in D2 1,000ms 1,000ms 1,000 Content in D4 D4: Remaining time (ms) Remarks: 1. When ES/EX/SS (V5.7 and above) and SA/SX/SC series MPU use X1 or X2, the relevant high speed counters or external interruptions I101 and I201 cannot be used. 2. For SC (V1.4 and above) series MPU, when M1036 is enabled, the speed of X0 ~ X5 can be detected at the same time. DVP-PLC APPLICATION MANUAL 7-27