5 Communication functions
5.2 External communication adapter modules
38 PXR Electronic trip unit 01/21 MN012005EN www.eaton.com
5.2 External communication adapter modules
Circuit breakers with PXR20 or PXR25 trip units are designed for flexible and
modular systems that include communication adapter modules (CAMs).
These modules allow the trip unit to communicate with a fieldbus network.
The following modules support different networks.
Table 18: Communication adapter modules
The modules are either mounted in a decentralized manner on a DIN rail, or
screwed directly onto a mounting plate and wired to the PXR trip unit via the
interface module of the circuit breaker. This requires the use of the
connection cable (PXR-XCAM-NZMCABLE), as described in the instruction
leaflet of the module. The fieldbus is wired to an interface on the module.
The CAM modules are equipped with two relay outputs and three digital
inputs. The outputs and inputs can be configured for various functions.
CAUTION
This product has been designed for environment A. Use of this
product in environment B may cause unwanted electromagnetic
disturbances in which case the user may be required to take
adequate mitigation measures.
￫
The CAM modules can also be used for the IZMX air circuit
breakers.
Protocol Module / connection cable Instruction leaflet
Profibus DP PXR-PCAM IL019224E
Modbus TCP PXR-ECAM-MTCP IL019224E
EtherNet/IP PXR-ECAM-IP IL012384ZU
EtherCAT PXR-ECAM-ECT IL012384ZU
Profinet PXR-ECAM-PNET IL012384ZU
– PXR-XCAM-NZMCABLE IL012103ZU
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The PXR-XCAM-NZMCABLE cable is not included in the delivery
of the CAM... and has to be ordered separately.
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