10.3
Outputs
10.3.1
IRF
The IRF contact functions as a change-over output contact for the self-supervision
system of the IED. Under normal operating conditions, the IED is energized and one
of the two contacts is closed. When a fault is detected by the self-supervision system
or the auxiliary voltage is disconnected, the closed contact drops off and the other
contact closes.
Each signal connector terminal is dimensioned for one 0.5...2.5 mm
2
wire or for two
0.5...1.0 mm
2
wires.
Table 360:
IRF contact X329
Case
Terminal
Description
4U half 19”
X329-1
Closed; no IRF, and U
aux
connected
X329-2
Closed; IRF, or U
aux
disconnected
X329-3
IRF, common
10.4
Communication connections
The IED's LHMI is provided with an RJ-45 connector. The connector is intended for
configuration and setting purposes.
Rear communication via the X1/LAN1 connector uses a communication module with
the galvanic RJ-45 or optical LC Ethernet connection.
The HMI connector X0 is used for connecting an external HMI to the IED. The X0/
HMI connector must not be used for any other purpose. An external HMI can be used
only when the IED has no integrated HMI.
10.4.1
Ethernet RJ-45 front connection
The IED's LHMI is provided with an RJ-45 connector designed for point-to-point use.
The connector is intended for configuration and setting purposes. The interface on the
PC side has to be configured in a way that it obtains the IP address automatically.
There is a DHCP server inside IED for the front interface only.
The events and setting values and all input data such as memorized values and
disturbance records can be read via the front communication port.
Only one of the possible clients can be used for parametrization at a time.
Section 10
1MRS757256 F
Device's physical connections
358
PML630/Compact Load-Shedding Solution
Technical Manual
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