Siemens SIMATIC S7-300 Reference Manual page 8

Structure of the comparison list
• Basic instructions
Instructions that you often use such as bit logic operations, timers, counters, mathematic functions
• Extended instructions
Sophisticated instructions for more options, such as date and time, interrupts, alarms, PROFIenergy
• Technological instructions (technology)
Technological functions, such as PID control, Motion
Instructions for communication (communication)
•
Instructions for communication, e.g. S7 Communication, Open User Communication
Validity and framework conditions
• SIMATIC STEP 7 as of Version 13, as of service pack 1
• The contents of the S7-1500 column are valid also for SIMATIC S7-1500 Software Controller CPU 150xS
• SIMATIC S7-1200 as of firmware 3.x; SIMATIC S7-1200 supports only LAD, FBD and SCL.
• STL: you have to call some instructions via CALL.
Legend
Applicable
✔
(✔) Applicable with limitations
nn Not necessary
gray We recommend that you do not use the grayed out instructions in the S7-1200 or S7-1500, as these instructions
are unsuitable for symbolic addressing or multiple instances. SIMATIC counters and timers are not
recommended, as they are not multi-instance capable.
Xyz New instruction as of SIMATIC STEP 7 V13.
For this purpose, SIMATIC S7-1200 requires at least firmware 4.0 and SIMATIC S7-1500 at least firmware 1.5
Xyz New instruction as of SIMATIC STEP 7 V13 SP1.
For this purpose, SIMATIC S7-1200 requires at least firmware 4.1 and SIMATIC S7-1500 at least firmware 1.7
Xyz Also available as safety instruction in the optional safety package in LAD and FBD.
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