NAiS FP Series User Manual page 178

FPΣ
Tip
- Do not include the terminator (end code) in the transmission data. The terminator
(end code) is added automatically.
- When "STX exist" is specified for the header (start code) in system register 413
or 414, do not add the header (start code) to the transmission data. The header
(start code) is added automatically.
- When using the 1 - channel RS232C type communication cassette, transmission
does not take place until CS (Clear to Send) turns on. If you are not going to
connect to the other device, connect to RS (Request to Send).
- The maximum number of transmission bytes "n" is 2048.
- Contact numbers in parentheses indicate COM. 2 port contacts.
9.2 Overview of Communication with External Devices
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