Technical Data P54x/EN TD/La4
MiCOM P543, P544, P545 & P546
(TD) 2-1
TD
Technical data
Mechanical specifications
Design
Modular MiCOM Px40 platform relay, available
in 2 different case sizes:
P543 and P544: 60TE, front of panel flush
mounting, or 19” rack mounted (ordering
options).
P545 and P546: 80TE, front of panel flush
mounting, or 19” rack mounted (ordering
options).
Enclosure protection
Per IEC 60529: 1989 (Ask Dev)
IP 52 Protection (front panel) against dust and
dripping water.
IP 30 Protection for sides of the case.
IP 10 Protection for the rear.
Weight
P543 approx. 9.2 kg
P544 approx. 11.5 kg
P545 approx. 11 kg
P546 approx. 13.1 kg
Terminals
AC current and voltage measuring inputs
Located on heavy duty (black) terminal block:
Threaded M4 terminals, for ring lug
connection.
CT inputs have integral safety shorting, upon
removal of the terminal block.
General input/output terminals
For power supply, opto inputs, output contacts
and COM1 rear communications.
Located on general purpose (grey) blocks:
Threaded M4 terminals, for ring lug
connection.
Case protective earth connection
Two rear stud connections, threaded M4.
Must be earthed (grounded) for safety,
minimum earth wire size 2.5 mm
2
.
Front port serial PC interface
EIA(RS)232 DTE, 9 pin D-type female
connector.
Courier protocol for interface to MiCOM S1
Studio software.
Isolation to ELV level.
Maximum cable length 15 m.
Front download/monitor port
EIA(RS)232, 25 pin D-type female connector.
For firmware downloads.
Isolation to ELV level.
Rear communications port
EIA(RS)485 signal levels, two wire
Connections located on general purpose block,
M4 screw.
For screened twisted pair cable, multi-drop,
1000 m max.
For K-Bus, IEC-870-5-103, or DNP3 protocol
(ordering options).
Isolation to SELV level.
Optional second rear communications port
EIA(RS)232, 9 pin D-type female connector,
socket SK4.
Courier protocol: K-Bus, EIA(RS)232, or
EIA(RS)485 connection.
Isolation to SELV level.
Optional rear IRIG-B Interface modulated or
un-modulated
BNC socket
Isolation to SELV level.
50 ohm coaxial cable.
Optional rear fiber connection for
SCADA/DCS
BFOC 2.5 -(ST®)-interface for glass fiber, as
per IEC 874-10.
850 nm short-haul fibers, one Tx and one Rx.
For Courier, IEC-870-5-103 or DNP3 protocol
(ordering options).
Optional rear Ethernet connection for
IEC 61850
10BaseT/100BaseTX communications
Interface in accordance with IEEE802.3 and
IEC 61850
Isolation: 1.5 kV
Connector type: RJ45
Cable type: Screened Twisted Pair (STP)
Max. cable length: 100 m
100 Base FX interface
Interface in accordance with IEEE802.3 and
IEC 61850
Wavelength: 1300 nm
Fiber: multi-mode 50/125 µm or 62.5/125 µm
Connector type: BFOC 2.5 -(ST®)
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