Crestron
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Appendices
Installation & Reference Guide — DOC. 5822
Appendix E: System limitations
Serial Transmissions
The length of the value of all serial signals (all the
Set—
signals) is limited to 83
characters. Furthermore, the total length of all signals (including header bytes) to be
transmitted in a single logic “wave” must not exceed 255 characters. Another
limitation is that the current generation of touchpanels do not correctly handle strings
sent to indirect text fields when such strings exceed 80 characters.
Signal Definitions
The XSIG format limits the number of signals to 4096, only the first 1024 of which
may be analog or serial signals. Furthermore, the older generation of Crestron
control systems has a limit of 512 analog/serial signals. (This is not an issue with the
newer CNMSX and CNRACKX systems which allow a full 4096 analog/serial
signals.)
