Siemens SIMATIC S7-1200 - Page 8

A5E33284667-AF Page 7
Structure of the comparison list
• Basic instructions
Instructions that you use often, such as bit logic operations, timers, counters, mathematical functions
• Extended instructions
Extended instructions for more possibilities such as date and time, interrupts, alarms, PROFIenergy
• Technological instructions (technology)
Technological functions, such as PID control, motion control
• Instructions for communication (communication)
Instructions for communication, such as S7 communication, Open User Communication
Legends
✔
Applicable
(
✔
)
Applicable with restrictions
nn
Not required, you can, for example, program with simple commands in SCL.
Grayed
out
We recommend that you do not use the grayed out instructions in S7-1200 or S7-1500, because these
instructions are not suitable for symbolic addressing or multiple instances. SIMATIC counters and timers are not
recommended because they do not have multiple instance capability.
Xyz
New instruction as of SIMATIC STEP 7 V14.
For this purpose, SIMATIC S7-1200 requires at least firmware 4.2 and SIMATIC S7-1500 at least firmware 2.0.
Xyz
New instruction as of SIMATIC STEP 7 V15.
For this purpose, SIMATIC S7-1200 requires at least firmware 4.2 and SIMATIC S7-1500 at least firmware 2.5.
Xyz
Also available as fail-safe instruction in the Safety optional package in LAD and FBD.