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Table 4 Test data

From: The improvement of centralized intelligent control architecture and data collection algorithm

Logging devices number

Thermostat number connected logging devices

Upper computer data acquisition cycle

Acquisition data time intelligent logging devices

RAM usage

Data transfer time

4

80

120 s

15 ms

1.2 K

1 s

The time each intelligent logging devices occupy serial port

1.5 s

The time each intelligent logging devices for collecting 80 thermostats

500 ms