ICP DAS USA tGw-735 - Appendix C: Actual Baud Rate Measurement

Tiny Modbus/TCP to RTU/ASCII Gateway
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Appendix C: Actual Baud Rate
Measurement
Ideal Baud Rate (bps)
Actual Baud Rate (bps)
Error
300
298.48
0.51%
600
597.04
0.49%
1200
1197.6
0.20%
2400
2395.2
0.20%
4800
4790.4
0.20%
9600
9568.0
0.33%
14400
14392
0.05%
19200
19136
0.33%
38400
38464
0.17%
57600
57552
0.08%
115200
114960
0.21%
128000
128240
0.18%
230400
229920
0.21%
250000
250000
0.00%
256000
256400
0.15%
460800
459760
0.22%
921600
921600
0.00%
Note:
Recommended max baud rate is 115200 bps or below.
Because the loading of the module, we don’t guarantee a proper operation if using a larger baud rate
(over 115200 bps).