5 Installation and Wiring
5-24
CP1E CPU Unit Hardware User’s Manual(W479)
Conditions for Meeting EMC Directives when Using CP-series Relay
Expansion I/O Units
EN61131-2 immunity testing conditions when using the CP1W-40EDR, CP1W-32ER, or CP1W-
16ER with a CP1W-CN811 I/O Connecting Cable are given below.
• Recommended Ferrite Core
Ferrite Core (Data Line Filter): 0443-164151 manufactured by Nisshin Electric
Minimum impedance: 90 Ω at 25 MHz, 160 Ω at 100 MHz
• Recommended Connection Method
(1) Cable Connection Method
(2) Connection Method
As shown below, connect a ferrite core to each end of the CP1W-CN811 I/O Connecting Cable.
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