•
Communication interfaces
– Communication via Ethernet:
– Only Modbus TCP protocol
– Modbus TCP protocol and IEC 61850 server protocol
– Serial communication via RS485
– Protocol Modbus RTU slave
– Protocol IEC 60870-5-103
•
Data export
– PQDIF data
IEEE1159.3
: PQDIF for PQ records (events, measurements, records)
– COMTRADE data
IEC 60255-24/IEEE Std C37.111
: Measuring relays and protection equipment – Part 24:
Common format for transient data exchange (COMTRADE for power systems) for fault records
•
Internal Ethernet switch
•
Certificates
– CE certification
– UL certification
Variants
SICAM P850/P855 is available in different variants:
•
Device type:
– Panel flush mounting device with display for measured values and parameterization
– DIN rail device without display
•
Communication via Ethernet
– Only Modbus TCP protocol
– Modbus TCP protocol or IEC 61850 server protocol
•
Serial communication
– With RS485 interface:
– with Modbus RTU protocol
– with Modbus RTU protocol and IEC 60870-5-103 protocol
– Without RS485 interface
•
Degree of protection of front
– IP20 for DIN rail devices without display
– IP40 or IP51 for panel flush mounting devices with display
Introduction
1.2 Device Overview
18 SICAM, SICAM P850/P855 7KG85X, Manual
E50417-H1040-C482-A9, Edition 03.2022
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