Connecting External Display Module - ABB RELION REX640 Installation Manual

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Connecting external display module

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REX640
Installation Manual
Plug the SFP transceiver into the socket and ensure that the transceiver is
seated and latched properly, that is, the locking lever is on the upper position.
Remove the dust cap of the SFP transceiver.
Connect the fiber-optic cable to the SFP transceiver.
Do not remove the dust cap from the SFP transceiver if the fiber-
optic cable is not immediately connected to the SFP transceiver.
Only one LHMI module can be connected to a protection relay.
Connect the LHMI's power connector.
a) Check the permitted auxiliary voltage range from the sticker found at the
rear side of the LHMI.
b) Connect the auxiliary voltage leads to the outermost terminals of the
LHMI's power connector plug. The polarity is marked on the LHMI's rear
plate close to connector X3.
c) Push the power connector plug to the bottom.
d) Turn the locking latches to lock position to secure the connector.
Connect the LHMI to the protection relay.
a) Use a CAT6 S/FTP cable to connect the LHMI to the protection relay. See
Accessories and ordering data for the cable options.
b) Connect the cable to the X1.1/Main unit connector on the LHMI and to the
X0/HMI connector on the protection relay's communication module.
Connecting
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