ABB SPA 650 Series Communication Protocol Manual

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ABB SPA 650 Series Communication Protocol Manual Manual pdf 32 page image

6.1.2 Verifying the communication M11735-77 v1To verify that the rear communication with the SMS/SCS system is working, thereare some different methods. Choose one of the following.6.1.2.1 Verifying SPA communication M11735-81 v5Procedure1. Use a SPA-emulator and send “RF” to the IED. The answer from the IEDshould be the type and version of it, for example, “REL650 2.1...”.2. Generate one binary event by activating a function, which is configured to anEVENT block where the used input is set to generate events on SPA. Theconfiguration must be made with the PCM600 software. Verify that the eventis presented in the SMS/SCS system.During the following tests of the different functions in the IED, verify that theevents and indications in the SMS/SCS system are as expected.6.1.3 Fibre optic loop M11905-3 v6The SPA communication is mainly used for SMS. It can include differentnumerical IEDs with remote communication possibilities. The fibre optic loop cancontain < 20-30 IEDs depending on requirements on response time. Connection toa personal computer (PC) can be made directly (if the PC is located in the station)or by telephone modem through a telephone network with ITU (CCITT)characteristics.Table 7:Max distances between IEDs/nodesglass < 1000 m according to optical budgetplastic < 25 m (inside cubicle) according to optical budget6.1.4 Optical budget calculation for serial communication withSPA/IEC M11736-4 v2Table 8:ExampleDistance 1 kmGlassDistance 25 mPlasticMaximum attenuation - 11 dB - 7 dB4 dB/km multi mode: 820 nm - 62.5/125 um 4 dB -0.16 dB/m plastic: 620 nm - 1mm - 4 dBMargins for installation, aging, and so on 5 dB 1 dBLosses in connection box, two contacts (0.5 dB/contact) 1 dB -Table continues on next pageSection 6 1MRK 511 418-UEN AEstablishing connection and verifying the SPA/IEC communication26 650 series 2.2 IECCommunication protocol manual