7
CPM2A 24
-VDC CPU Unit Conformance to NK Standards
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6-5 CPM1A-MAD01 Conformance to EMC Directives
Immunity testing conditions when using the current I/O of the CPM1A-MAD01
are as follows.
• Total accuracy: +10%/-1%
• Insert the following core in each line as shown below.
Recommended core: 2643-002402
Manufacturer: Fair Rite Products Corp.
7 CPM2A 24-VDC CPU Unit Conformance to NK Standards
Surge immunity testing conditions when using a 24-VDC CPU Unit of the
CPM2A are as follows:
• Connect a Transit Voltage Suppressor (TVS) diode between the 24-V and 0-V
DC power supply wiring. The polarity of the TVS diode is bidirectional, i.e., it
has no set polarity.
Recommended TVS: 1.5KE33CA
Manufacturer: Vishay Semiconductors (formerly General Semiconductors)
ST Microelectronics K.K.
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