Siemens SINAMICS S120 - Page 151

SINAMICS Safety Integrated (Booksize)
General information about SINAMICS Safety Integrated
5-151
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
The user must set the time interval for carrying out forced dormant error detection
to between 0.00 and 9000.00 hours depending on the application (factory setting:
8.00 hours).
When to carry out forced dormant error detection:
S When the drives are at a standstill after the system has been switched on.
S When the protective door is opened.
S At defined intervals (e.g. every 8 hours).
S In automatic mode (time and event dependent)
Safety-related input signals (SGE)
Safety-relevant input signals act as an interface with the process. These digital
signals are transmitted to the system (two channel) and are used for selecting/de-
selecting safety functions.
Example: Selecting/deselecting “Safe standstill” (SH)
Crosswise data comparison
A cyclic crosswise comparison of the safety-relevant data in the two monitoring
channels is carried out.
In the event of inconsistencies, the following occurs:
1. Fault F01611 or F30611 (STOP F) is output and the time in p9658 or p9858
triggered.
2. Once the time has elapsed, a further fault (F01600 or F30600 (STOP A)) is
output and the safe pulse disable activated.
The stop reaction is transferred to the other monitoring channel so that two-chan-
nel standstill can be carried out.
Monitoring clock cycle
The safety-oriented drive functions are executed cyclically in the monitoring clock
cycle.
The safety monitoring clock cycle lasts a minimum of 4 ms. Increasing the basic
DRIVE-CLiQ sampling time (p0110) also increases the safety monitoring clock
cycle.
Parameter overview (see List Manual)
S r9780 Safety Integrated monitoring clock cycle (Control Unit)
S r9880 Safety Integrated monitoring clock cycle (Motor Module)