GE MiCOM P40 Agile Technical Manual page 30

P44x/EN TD/Hb6
(TD) 2-4
Rear Communications Port
K-Bus/EIA(RS485) signal levels, two wire
Connections located on general purpose block,
M4 screw.
For screened twisted pair cable, multidrop,
1000 m max.
SELV* rated circuit.
Ethernet (copper & fibre)
Optional Rear IRIG-B Interface modulated
or un-modulated
BNC socket
SELV* rated circuit.
50 ohms coaxial cable.
Optional Rear Fiber Connection for
SCADA/DCS
BFOC 2.5-(ST®)-interface for multi-mode
glass fibre type 62.5, as per IEC874-10,
850 nm short-haul fibers, one Tx and one Rx.
Optical budget: 5.6 dB
Data rate: 2.5 Mbits
Max Length: 1000 m
Optional Rear Ethernet Connection for
IEC 61850
10 Base T / 100 Base TX 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 style: BFOC 2.5 - (ST®)
Optional Second Rear Communication Port
EIA(RS)
232, 9 pin D-type female connector,
socket SK4. Courier protocol: K-Bus, or
EIA(RS)485 or EIA(RS)232. Maximum cable
length: 15 m.
*: PEB = Protective equipotential bonded
*: SELV = Safety/Separated extra low voltage
Both PEB and SELV circuits are safe to touch
after a single fault condition.
MiCOM P40 Agile P442, P444
Optional Rear redundant Ethernet
connection for IEC 61850
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 style: BFOC 2.5 - (ST®)
Fiber defect connector (watchdog relay)
Redundant Ethernet board
Connector (3 terminals):
Rated voltage:
Continuous current:
Short duration current:
Breaking capacity
DC: 50 W resistive
DC: 25 W resistive
AC: 1500 VA resistive (cos φ = unity)
AC: 1500 VA inductive (cos φ = unity)
Subject to maxima of 5 A and 250 V
Technical Data
2NC contacts
250 V
5 A
30 A for 3 s