Chapter 3 PLC System Configuration & Settings 3.3.2.3 CPU Basic Parameter: Latched Device Range After users click the CPU tab on the top of the window, and the Latched Device Range tab at the bottom of the window, they can set a range of latched devices. (1) After users click a device type, they can be set a range of latched devices. There is a rectangular bar in the setting area. The values at the two ends of the bar represent a maximal value and a minimal value. The blue part represents a range of latched devices. (2) Please select values in the boxes. The value in the left box is a start address, and the value in the right box is an end address.
The value in the left box must be less than the value in the right box. Besides, the value in the left box cannot be less than the minimal value at the left end of the rectangular bar, and the value in the right box cannot be larger than the maximal value at the right end of the rectangular bar. 3-167