Communication modules
6.5 CP52A0 GDM access module
SIMATIC TDC hardware
160
System Manual, 08/2017, A5E01114865-AL
6.5.5
Application notes and immunity to interference
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The entire user application is configured in the racks that contain the access modules.
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The trigger signals, clock trigger and base sampling time can only be sent independently
of one another from one CP52A0. CP52A0 supports transmission and receiving of these
signals. HWConfig is used to define whether the module receives or sends.
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If the clock trigger and basic sampling time were configured for transmission on several
access modules, the trigger signal is always transmitted from the CP52A0 that is
connected with a CP52IO whose FOC interface is located on the extreme top left in the
rack (refer to the example of priority logic).
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The SYSFAIL* and alarm trigger trigger signals can be simultaneously sent and received
from every CP52A0.
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Interference-proof operation is only possible if the CP52M0 is firmly attached to the rack.
Insert the module and then bolt it onto the rack accordingly (two screw heads, see
"Control and display elements (Page 157)").
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The module may not be inserted or removed while the rack is on live voltage.
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Removal and insertion of the fiber-optic cables is not permitted during operation.
Note
See also:
•
For more information on fan operation, refer to chapter "Rack (Page 39)".
•
For more information on EMC and environmental conditions, refer to chapter "General
technical specifications (Page 37)".
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