pyhoff/tests/test_readme_example.py

25 lines
906 B
Python

from pyhoff.devices import KL2404, KL2424, KL9100, KL1104, \
KL3202, KL4002, KL9188, KL3054, KL3214, KL4004, KL9010, BK9050
def test_readme_example():
# connect to the BK9050 by tcp/ip on default port 502
bk = BK9050("172.16.17.1")
# add all bus terminals connected to the bus coupler
# in the order of the physical arrangement
bk.add_bus_terminals(KL2404, KL2424, KL9100, KL1104, KL3202,
KL3202, KL4002, KL9188, KL3054, KL3214,
KL4004, KL9010)
# Set 1. output of the first KL2404-type bus terminal to hi
bk.select(KL2404, 0).write_coil(1, True)
# read temperature from the 2. channel of the 2. KL3202-type
# bus terminal
t = bk.select(KL3202, 1).read_temperature(2)
print(f"t = {t:.1f} °C")
# Set 1. output of the 1. KL4002-type bus terminal to 4.2 V
bk.select(KL4002, 0).set_voltage(1, 4.2)