Siemens SINUMERIK 840DE SL Commissioning Manual

Service and diagnostics
7
7.1 PCU Hardware Diagnostics
Intended use
The PCU hardware supports the diagnostics of important system components via an integrated
"safecard", which is designated as a Safecard-On-Motherboard (SOM).
Monitored Parameters
The following physical parameters of the PCU hardware are monitored:
● CPU temperature
● Housing temperature
● I/O chip temperature
● Speed of the two housing fans
● S.M.A.R.T - status of the hard disk
Logging faults
The PCU hardware monitor logs all hardware faults in the Windows event log so that the faults
can be output even without installing an HMI software.
The alarms are output in the log under "Control Panel" → "Administrative Tools" → "Event
Viewer".
See also
● Starting up the replacement SSD (Page 153)
● Operator Components and Networking Manual: Chapter, spare parts
● Description of the alarms: SINUMERIK 840D sl Diagnostics Manual
PCU Base Software (IM10)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 155

Siemens SINUMERIK 840DE SL Specifications

General

Brand	Siemens
Model	SINUMERIK 840DE SL
Category	Control Systems
Language	English