10 Industrial Ethernet Communication Adapter Modules (ECAM)
PXR Electronic trip unit 01/21 MN012005EN www.eaton.com 79
10 Industrial Ethernet Communication Adapter Modules (ECAM)
The Ethernet communication adapter modules (ECAM) are optional
accessories for digital NZM circuit breakers with PXR20 or PXR25
technology.
These modules are designed to connect with the circuit breaker’s internal
communication module and expand the communication capabilities into
EtherNet/IP, EtherCAT or Profinet interfaces.
For operation, an interface module (included in the PXR25, available as an
accessory for PXR20) and an internal Modbus RTU module are also required.
A supply of 24 V DC must be connected to the interface module
(￫ figure 10, page 41), as well as to the Ethernet communication adapter
modules (￫ figure 16) below.
Figure 16: Ethernet communication adapter modules power supply wiring
a 24 V DC terminal (±10 %)
The Modbus cable, which is connected to the ECAM, must comply with the
specifications on ￫ page 49 of this manual.
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