Siemens S7-300 - Application 5: Safety Mode Sil3;Cat.4;Ple

Analog modules
9.2 SM 336; AI 6 x 13 Bit
Fail-safe signal modules
206 Installation and Operating Manual, 01/2010, A5E00085586-10
WARNING
To achieve SIL3/Cat.4/PLe using this wiring, you must use a suitably qualified sensor.
Assignable parameters for application 4
Table 9- 8 Parameters for application 4 of SM 336; AI 6 x 13Bit
Parameters Range of values in safety mode Type Effective range
"Inputs 1" tab
Enable diagnostic
interrupt
Activated/deactivated Static Module
Interference frequency 50 Hz/60 Hz Static Module
Group diagnostics Activated/deactivated Static Channel
Wire-break check (only
for 4 to 20 mA)
Activated/deactivated Static Channel
Measurement type
 Deactivated
 4DMU
 2DMU
Static Channel
Measuring range 4 to 20 mA Static Channel
"Inputs 2" tab
Safety mode
 According to SIL 2
 1 sensor
Static Module
Monitoring time 10 ms to 10000 ms Static Module
"Redundancy" tab
Redundancy 2 modules static module
Redundant module Selection of an existing additional
module of the same type
static Redundant module
pair
9.2.8 Application 5: Safety mode SIL3/Cat.4/PLe
Introduction
Below are the wiring schemes and the parameter assignment of SM 336; AI 6 x 13Bit for
● Application 5: Safety mode SIL3/Cat.4/PLe.
Diagnostic messages, possible causes of the problem and their corrective measures are
found in tables
Diagnostic messages of SM 336; AI 6 x 13Bit and Diagnostic messages and
associated corrective measures for SM 336; AI 6 x 13Bit
in chapter "Diagnostic Messages
for SM 336; AI 6 x 13 Bit (Page 215)".