IEC05000720 V1 EN
Figure 468: The download configuration window in LNT
Communication ports
The serial communication module (SLM) is a mezzanine module placed on the Main
Processing Module (NUM) and is used for LON, SPA, IEC 60870-5-103 and DNP
communication.
There are two types of IO connectors: snap-in connectors for plastic fibre cables and
ST/bayonet connectors for glass fibre cables. The SLM can be equipped with either
type of connector or a combination of both connectors. This is identified by a tag.
Connect the incoming optical fibre to the RX receiver input, and the outgoing optical
fibre to the TX transmitter output. Pay special attention to the instructions concerning
handling and connection of fibre cables.
Table 738: SPA addresses for commands from the operator workplace to the IED for apparatus
control
Name
Function
block
SPA
address
Description
BL_CMD SCSWI01 1 I 5115 SPA parameters for block
command
BL_CMD SCSWI02 1 I 5139 SPA parameters for block
command
BL_CMD SCSWI02 1 I 5161 SPA parameters for block
command
BL_CMD SCSWI04 1 I 5186 SPA parameters for block
command
BL_CMD SCSWI05 1 I 5210 SPA parameters for block
command
Table continues on next page
Section 18 1MRK502052-UEN B
Station communication
1008
Technical manual
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