Section 6 Establishing connection and
verifying the SPA/IEC
communication
6.1 Establishing connection and verifying the SPA/IEC
communication
IP371 v2
About this chapter
This chapter contains instructions on how to establish connection and verify that the SPA/IEC
communication operates as intended when the IED is connected to a monitoring or control
system via the rear SPA/IEC port.
6.1.1 Entering settings
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If the IED is connected to a monitoring or control system via the rear SPA/IEC103 port, the
SPA/IEC103 port has to be set either for SPA or IEC103 use.
6.1.1.1 Entering SPA settings
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The SPA/IEC port is located on the rear side of the IED. Two types of interfaces can be used:
• plastic fibers with connector type HFBR
• glass fibers with connector type ST
When using the SPA protocol, the rear SPA/IEC port must be set for SPA use.
Procedure:
1. Set the port for SPA use on the local HMI under Main menu /Configuration /
Communication /Station communication/Port configuration/SLM optical serial port/
PROTOCOL:1. When the communication protocol is selected, the IED is automatically
restarted, and the port then operates as a SPA port.
2. Set the
SlaveAddress
and
BaudRate
for the rear SPA port on the local HMI under Main
menu/Configuration/Communication/Station communication/SPA/SPA:1. Use the
same settings for these as is set in the SMS system for the IED.
6.1.2 Verifying the communication
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To verify that the rear communication with the SMS/SCS system is working, there are some
different methods. Choose one of the following.
6.1.2.1 Verifying SPA communication
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Procedure
1MRK 511 396-UEN E Section 6
Establishing connection and verifying the SPA/IEC communication
SPA, 670 series 23
Communication protocol manual
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