Extension of Flexible F-Link from 100 to 1500 bytes of usable transfer data
Sales and delivery release STEP 7 Safety Basic / Advanced V21
Highlights
SIMATIC STEP 7 Safety Advanced offers persuasive new engineering features and supports the extended portfolio of S7-1500F and the new S7-1200F G2
The following new functions are available with STEP 7 Safety V21:
- Extension of Flexible F-Link from 100 to 1500 bytes of usable transfer data
- Support for PROFIsafe Base-ID (S7-1500 and S7-1200 G2)
- Extended support for "Named Value Types" (NVTs). Support know-how protection for typified F-blocks
- Openness: Bulk-SetAttributes for F-I/O module parameters
- Openness: Readability offline F-signatures from Failsafe Administration Editor
- Openness: Activation and deactivation of F-capability for the F-PLC
Achievable safety class SIL3 (Safety Integrity Level) according to IEC 61508:2010 / PL e (Performance Level) according to ISO 13849-1:2015
Investment security
Projects as of STEP 7 Safety V13 SP1 can be directly upgraded to STEP 7 Safety V21.
Projects from older versions of STEP 7 Safety (V11 to V13) are updated based on STEP 7 Safety Advanced V13 SP1 or V13 SP2 (most recent update recommended).
System requirements and compatibility with other SIMATIC products
STEP 7 Safety Advanced V21 requires STEP 7 Professional V21 (109989773)
STEP 7 Safety Basic V21 requires at least STEP 7 Basic V21 (109989773)
Refer to STEP 7 Professional V21 for the supported operating systems and hardware requirements. The compatibility to other SIMATIC products is the same as for STEP 7 Basic / Professional V21.

