1 Year Warranty
Description
Overview
Essential details：5CFCRD.0064-03 CompactFlash 64 MB Western Digital (SLC) B&R
System RAM storage area: The system RAM storage area includes the /O image area and various software devices, such as: logic coil, data register: timer Q, counter; Index register; Accumulator and isomemory. (1)/0 image area: Since the PLC is put into operation, the input status and data are read in turn only in the input sampling stage, and the output status and data are sent to the corresponding peripheral in the output refresh stage. Therefore, it requires a certain number of memory cells %(RAM) to hold the state and data of /0, and these cells are called the /O map area. A switch I/0 occupies one bit in the storage unit, and an analog I/0 occupies one word (16 bits) in the storage unit. Therefore, the whole /0 mapping region can be regarded as two parts: the switching quantity /0 mapping region; Analog /0 mapping area. (2) System software storage area: In addition to the //O map area, the system RAM storage area also includes the storage area of various types of software devices (logic coils, timers, counters, data registers and accumulators, etc.) inside the PLC. The storage area is divided into a storage area with power loss retention and a storage area without power loss retention, the former is powered by the internal management battery when the PLC is powered off, and the data will not be lost, the latter is cleared when the PL(new power). 1) The logic coil is the same as the switch output, each logic coil occupies a bit in the RAM storage area of the system, but can not directly drive the peripheral, only for the user to use in programming, its role is similar to the relay in the electrical control line. In addition, different PLCS also provide a different number of special logic coils, with different functions. 2) Data registers and analog I/0- like, each data register occupies a word (16 bits) in the system RAM storage area. In addition, the PLC also provides a different number of special data registers, with different functions. 3) Timer 4) counter
User program store User program store stores user programs written by users. Different types of PLCS have different storage capacities
5CFCRD.0064-03
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Same day shipment of 1000 parts
My company under the Sales and Marketing Department, technical engineering Department, after-sales service department, the department of comprehensive management. We can help your business with good service.
1. Sales Department 24/7 service. Handles your requests for any PLC DCS products in a timely manner with patience and professionalism.
2. The engineering department ensures that the products have no quality problems. All products will be inspected before shipping.
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4. The warehouse department will carefully check the list of goods, carefully pack them, and deliver the goods in time.
5. After-sales Service Department has a full-time after-sales service team, subordinate to the sales department, and users can timely respond to service requests.
