Siemens SIMATIC ET 200S Installation And Operating Manual page 42

Diagnostics
5.2 Fault Diagnostics
Diagnostic Functions That Can Be Assigned As Parameters
You can assign (activate) certain diagnostic functions as parameters in
• Wire-break detection for the F-DO module and the PM-E F pm
• Short-circuit monitoring for the F-DI module
Diagnostics by LED Display
Every fail-safe power and electronic module indicates faults by means of its SF LED (group
fault LED). The SF-LED lights up as soon as a diagnostic function is triggered by the
F-module. It is extinguished when all faults have been eliminated.
The power module also has a PWR LED, which displays the load voltage power supply of
the voltage group.
The 4/8 F-DI 24 VDC PROFIsafe electronic module also has two fault LEDs (1VsF and
2VsF) that display faults for both internal sensor power supplies.
Slave Diagnostics
The slave diagnostics comply with IEC 61784-1:2002 ED1 CP 3/1 or CP 3/3. The fail-safe
electronic and power modules support the slave diagnostics in exactly the same way as
ET 200S standard modules.
You will find a description of the general configuration of slave diagnostics for ET 200S and
the fail-safe modules in the
description of channel-related diagnostics for fail-safe modules is presented below.
5-4
Warning
Diagnostic functions should be activated or deactivated in accordance with the
application.
ET 200S Distributed I/O System
Hardware Installation and Operating Manual, 07/2005, A5E00103686-04
STEP 7
manual . A supplementary
ET 200S Distributed I/O System - Fail-Safe Modules
: