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11. Why is it not possible to communicate over S-Bus with the S-Energy meter (ALD1/ALE3/AWD3)?

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    31%

    Due to a firmware problem it isn't possible to use the following S-Bus addresses for the energy meter ALD1, ALE3 and AWD3: 107, 153, 226 and 238.

12. Why goes the PCD3 in HALT with a BUS Error when changing the Profi S-Bus configuration in the hardware settings

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    33%

    Changing the Profi S-Bus settings puts the CPU in HALT with a BUS Error

13. Why does the S-Bus gateway no longer work after some time?

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    26%

    With firmware 1.08.21 of the PCD2.M480 the gateway could get blocked in some specific cases.

14. Why does the Profi S-I/O Bus stopps when connecting an ESA terminal over Profi S-BUS

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    32%

    A Profi S-I/O Network is communicating properly. When the ESA terminal is connected to the networt too, the Bus stops for a while.

15. Why does the FBox for the AWD3 display a wrong current in case a current transformer is used?

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    8%

    In case a current transformator and a transfomer ration other than 1 (5:5) is used for measuring the energy with an AWD3 (with Serial-S-Bus interface) the FBox from the library 2.6.156 or older do not correctly display the current.

16. Why does the FBox "SASI S-Bus Extended" not work (for assigning a gateway master port)?

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    28%

    There are several reasons to use the FBox "SASI S-Bus Extended" (see FAQ 101400). But there is a limitation that it is not possible to use this FBox for re-assigning a port as Gateway master port on Saia PCD® COSinus systems.

17. Why does my S-Bus communication with an PCD3.F2xx module show a diagnostic error?

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    29%

    The Sasi S-Bus Master F-Box indicates a diagnostic error and is red. The data is transmitted but obviously not properly.

18. Why does my RS-232 S-Bus communication not work with the PCD2.F2xx0 and PCD3.F2xx module?

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    28%

    The RS-232 S-Bus communication may doesn't work at all with PCD2.F2xx0 or PCD3.F2xx modules when communicating over converters (like modem or optical converters) to other devices. On PCD2.F2xx0 and PCD3.F2xx with Firmware less or equal V020 the handling of the RTS signal is wrong.

19. Why do I sporadically get communication errors when connecting a PCD/PCS in "Secure S-Bus Data Mode"?

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    28%

    In case a "non Saia PCD® COSinus" PCD or PCS1 system is connected with "Secure S-Bus Data mode" (e.g. over a serial cable or over modem) from time to time a telegram is not answered correctly.

20. Why do I have communication problems with the PCD7.L1xx, 2xx, 3xx, 4xx when using the "S-BUS Station" F-Box?

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    14%

    This RIO modules need some time to synchronize the baudrate and establish communication.