Communication modules
6.3 GDM memory module CP52M0
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
141
6.3.4
Application notes and immunity to interference
Application notes
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CP52M0 must be inserted in slot 1 of the rack (UR5213 or UR6021).
●
You may only use one CP52M0 in the rack.
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The module may not be inserted or removed while the rack is on live voltage.
Note
Additional circuit for lightning and overvoltage protection
Please note the following concerning the use of the external 24V power supply for the digital
outputs of the the module in accordance with IEC61000-4-5:
•
An external circuit is necessary (see also section "General technical specifications,
design and EMC directives (Page 13)")
•
In addition to the overvoltage protection, two additional suppressor diodes have to be
installed on the 24V supply voltage of the CP52M0.
Immunity to interference
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 138)").
Note
Fan operation, EMC and environmental conditions
•
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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