Hardware Information
7-6
SIMATIC Rack PC IL 40 SManual
A5E00200171-01
7.4.3 Watchdog (WD)
Function
The watchdog monitors the execution of a program. The purpose of the WD is to
notify the user of a program crash through various reactions.
You will find more information on the CD supplied “Rack PC IL 40 S
Documentation and Drivers” in “wp_systemguard_en.pdf”.
7.4.4 Fan Monitoring
The operation of the front fan, the process fanand the power supply is monitored.
If a fan fails, the status LED on the front side is activated.
You will find more information on the CD supplied “Rack PC IL 40 S
Documentation and Drivers” in “wp_systemguard_en.pdf”.
7.5 Ports
The ports and their assignment on the motherboard are described in the
D1527.pdf manual on the CD supplied “Rack PC IL 40 S Documentation and
Drivers”.
7.6 Power Supply
Output Voltages
Voltage Max. Current Voltage Stability
+ 12 V 18 A " 5 %
– 12 V 1 A " 10 %
+ 5 V 20 A * +5 % / – 4 %
+ 3.3 V 18 A * + 5 % / – 4 %
+ 5 V aux 2 A + 5 % / – 3 %
* The total power consumption of the +5V and +3.3V voltages may not exceed 135 W.
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