Safety Functions
3–1
1070 073 825-103 (02.04) GB
3
Safety Functions
3.1
Temperature Monitoring
The temperature inside the CPS21_3 / CPS21_4 must not 45
°
C
(refer to section 2.6). For safety reasons, the PC features a temperature mo-
nitoring function that measures the temperature inside the aluminum hou-
sing.
If the temperature inside the housing e50
°
C, a temperature war-
ning is issued:
D
via the red flashing LED ”TEMP” on the front panel of the operating termi-
nal
D
via a window displayed by the operating system.
This message must be interpreted by all application programs as well,
especially by I/O processes. Bosch application programs comply fully
with this requirement.
The temperature warning function can be disabled via the program:
D
UPS
NT
for Windows NT 4.0 (refer to section 3.3).
If the temperature > inside the housing exceeds >65
°
C, the control
terminal is shut down and switched off via the UPS logic circuits (refer to
section 3.2).
Summary of Contents for CPS21_3
Page 1: ...Antriebs und Steuerungstechnik CPS21_3 CPS21_4 Interface Conditions Industrial PC Edition 103 ...
Page 90: ...Display and Control Elements 7 18 1070 073 825 103 02 04 GB Notes ...
Page 100: ...Maintenance and Replacements 8 10 1070 073 825 103 02 04 GB Notes ...
Page 102: ...Spare Parts 9 2 1070 073 825 103 02 04 GB Notes ...
