Communication modules
6.2 CP51M1 communication module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
133
Application notes and immunity to interference
● Interference-proof operation is only possible if CP51M1 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 131)").
● The module may not be inserted or removed while the rack is on live voltage.
● The factory setting of switch S1 may not be changed (refer to "Connection options
(Page 133)").
ation on fan operation, refer to chapter "Rack (Page 39)"!
more information on EMC and environmental conditions, refer to chapter "General
(Page 37)"!
Figure 6-4 Connection options of CP51M1
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