Instruction list for S7-300 - DCE FEL ČVUT v Praze

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List of Instructions List of Instructions Load Instructions for Timers and Counters Loading a time value or count value into ACCU1. The contents of ACCU1 are first saved to ACCU2. The bits of the status word are not affected. In- In Length g Typical Execution Time in s struction Address Identifier Description iin Words Direct Addressing Indirect Addressing 1 312* 313 314 314* 315 315-2 316-2 318-2 312* 313 314 314* 315 315-2 316-2 318-2 L T f Load time value 1 2 /2 3.1 1.6 1.7 0.1 5.2+ 0.8+ 2.1+ 0.1+ Timer para. Load time value (addressed via parameter) 2 – – – – + + + + L C f Load count value 1 2 /2 2.9 1.6 1.5 0.1 5.2+ 0.8+ 2.1+ 0.1+ Counter para. Load count value (addressed via parameter) 2 – – – – + + + + LD T f Load time value in BCD 1 2 /2 8.1 5.4 5.4 0.3 15.6+ 4.6+ 5.9+ 0.3+ Timer para. Load time value in BCD (addressed via parameter) 2 – – – – + + + + LD C f Load count value in BCD 1 2 /2 7.4 5.0 4.9 0.3 14.2+ 4.2+ 5.4+ 0.3+ Counter para. Load count value (addressed via parameter) 1 Plus time required for loading the address of the instruction (see page 21) 2 With direct instruction addressing 88 2 – – – – + + + + S7-300 Instruction List S7-300 Instruction List EWA 4NEB 710 6087-02 EWA 4NEB 710 6087-02 89
List of Instructions List of Instructions Transfer Instructions Transferring the contents of ACCU1 to the addressed Inrand. The status word is not affected. Remember that some transfer instructions depend on the MCR. In- In Length g Typical Execution Time in s struction Address Identifier Description iin Words Direct Addressing Indirect Addressing 1 312* 313 314 314* 315 315-2 316 318-2 312* 313 314 314* 315 315-2 316 318-2 T Transfer contents of ACCU1-LL to ... IB a input byte 1 (MCR-dependent) QB a output byte (MCR-dependent) PQB a peripheral output byte (MCR-dependent) 2 /2 1 2 /2 1 3 0.7 0.2 2.6 1.3 0.7 0.2 2.6 1.3 /2 < 30 24/
Page 1 and 2: S7-300 Instruction List CPU 312 IFM
Page 3 and 4: Addresses Identifiers and Parameter
Page 9 and 10: Registers Registers Registers ACCU1
Page 11 and 12: Examples of Addressing Examples of
Page 13 and 14: Execution Times with Indirect Addre
Page 15 and 16: Execution times with Indirect Addre
Page 17 and 18: List of Instructions List of Instru
Page 45: List of Instructions List of Instru
Page 83 and 84: Alphabetical Index of Instructions
Page 85 and 86: S7-300 Instruction List EWA 4NEB 71
Page 87 and 88: S7-300 Instruction List EWA 4NEB 71
Page 89: Additional Execution Times for Indi

Instruction list for S7-300 - DCE FEL ČVUT v Praze

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