Safety Protector; Introduction; Properties, Front View, And Block Diagram - Siemens S7-300 Installation And Operating Manual

Safety protector

10.1

Introduction

Chapter contents
The safety protector is used to protect the F-SMs from any overvoltage developing in the
case of a fault/error. Information on safety protectors provided in this chapter:
● Properties
● Module view and block diagram
● Configuration variants
● Technical data
10.2

Properties, Front View, and Block Diagram

Order number
6ES7195-7KF00-0XA0
Properties
The safety protector protects the fail-safe signal modules against excess fault voltages.
The safety protector does not occupy an address or supply diagnostic messages, and is not
assigned in
Note
When the safety protector is used, your station achieves the limit values for
specified in the technical data using the overvoltage protection components specified in the
"S7-300 CPU 31xC and CPU 31x: Hardware and Installation
(http://support.automation.siemens.com/WW/view/en/13008499)" Operating Instructions only
if configured with
If you install your station in a metal cabinet, you can configure the station with ungrounded or
grounded reference potential.
Safety Integrity Level SIL 3/Cat. 4/PLe with safety protector
For applications in Safety Integrity Level SIL3/Cat.4 read the warning in section "Rules for
using the safety protector" in the chapter "Configuration with F-SMs in Safety Mode
(Page 21)".
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
STEP 7
.
grounded
reference potential.
10
surge resistance
297