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Extra info for Basics of PLCs (SIMATIC S7-200)

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A total of 31 units can be interconnected without a repeater. 41 Programming A PLC STEP 7-Micro/WIN is the program software used with the S7200 PLC to create the PLC operating program. STEP 7 consists of a number of instructions that must be arranged in a logical order to obtain the desired PLC operation. These instructions are divided into three groups: standard instructions, special instructions, and high-speed instructions. Standard instructions Standard instructions consists of instructions that are found in most programs.

These instructions are divided into three groups: standard instructions, special instructions, and high-speed instructions. Standard instructions Standard instructions consists of instructions that are found in most programs. Standard instructions include; timer, counter, math, logical, increment/decrement/invert, move, and block instructions. Special instructions Special instructions are used to manipulate data. Special instructions include shift, table, find, conversion, for/next, and real-time instructions.

An S7-222 has ____________ DC inputs and ____________ DC outputs. 5. An S7-224 has ____________ DC inputs and ____________ DC outputs. 6. The fourth output of an S7-200 would be labeled ____________ . 7. S7-200 can be panel mounted or installed on a ____________ rail. 8. A super capacitor will maintained data stored in RAM for up ____________ hours on an S7-222 and up to ____________ hours on an S7-224. 39 Connecting External Devices TD200 The S7-200 programming port can be used to communicate with a variety of external devices.

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Basics of PLCs (SIMATIC S7-200) by Siemens


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