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Hardware Characteristics

181

6.6 Performance

Module Performance

Data The two tables below show the speed performance of the TSX ETG 1000. The first

table shows the results of requests per second based on the Modbus speed setting

and request length. In the second table, eight alarms continuously scanned at

100 ms are added to the configuration.

Performance

(with no alarms)

Performance table:

Examples:

l with a Modbus speed of 19,200 baud, 25 Modbus slaves can be pooled with 16-

word requests,

l the pooling need is for 30 Modbus slaves every 500 ms with a bus speed of

19,200 bauds. The maximum requests are for 8 words.

Requests/sec Request length (in words)

Modbus speed 64 32 16 8 4 2

2400 bauds 1.4 2.5 4 5.6 7.1 8.3

4800 bauds 2.8 5 7.7 11.1 14.2 16.6

9600 bauds 5.6 10 14.2 19.9 25 25

19200 bauds 11.1 16.6 25 33.2 49.8 49.9

38400bds 19.9 32.8 39.9 49.8 49.9 49.9

57600 bauds 25 33.2 49.8 49.8 50.8 63.1

115200 bauds 49.9 49.9 89.7 99.6 99.7 99.8

1 2 ... 176 177 178 179 180 181 182 183 184 185 186 ... 191 192

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Schneider Electric TSXETG100 Manuale Utente Pagina 181