| CPC H05K 7/1465 (2013.01) [F24F 11/32 (2018.01); F24F 11/49 (2018.01); F24F 11/63 (2018.01); F24F 11/88 (2018.01); G01R 31/55 (2020.01); G05B 13/0265 (2013.01); G05B 15/02 (2013.01); G05B 19/048 (2013.01); G05B 23/0216 (2013.01); G05B 23/0264 (2013.01); G05B 23/0272 (2013.01); G06F 1/3209 (2013.01); G06F 1/3246 (2013.01); G06F 3/04186 (2019.05); G06F 3/0482 (2013.01); G06F 3/04847 (2013.01); G06F 3/147 (2013.01); G06F 8/436 (2013.01); G06F 8/51 (2013.01); G06F 8/53 (2013.01); G06F 8/74 (2013.01); G06F 9/4418 (2013.01); G06F 30/12 (2020.01); G06F 30/13 (2020.01); G06F 30/18 (2020.01); G06Q 30/0283 (2013.01); H02J 3/00 (2013.01); H04B 3/46 (2013.01); H04L 43/50 (2013.01); H04L 67/12 (2013.01); H04L 67/125 (2013.01); H04L 67/75 (2022.05); H04M 3/305 (2013.01); H04W 4/80 (2018.02); H04W 84/00 (2013.01); H05K 7/1468 (2013.01); H05K 7/1477 (2013.01); H05K 7/1481 (2013.01); G06F 30/392 (2020.01); G06F 2111/04 (2020.01); G06F 2111/16 (2020.01); G06F 2113/04 (2020.01); G06F 2113/16 (2020.01); G06F 2115/12 (2020.01); H02J 2310/12 (2020.01)] | 20 Claims |

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1. A controller module comprising:
a frame:
a circuit board; disposed on the frame;
a connection to a controller;
a plurality of device connectors mounted on the frame, the plurality of device connectors operably able to connect a device to the controller module through a device wire; and
the circuit board executing a process which includes:
detecting that the device wire has been coupled to one of the plurality of device connectors;
sending information to the controller received from the device through the device wire;
receiving information from the controller indicating device validity; and
reporting the device validity;
line testing technology; and
wherein the line testing technology comprises at least one of: a ground connection, a 24 VAC power connection, a DAC with 0-10V DC analog voltage, a FET with a 1-wire pullup, a high range voltage divider, a low range voltage divider, a 4-20 mA current shunt, a 24 VAC current shunt, a DC offset injector, an electromechanical relay, a 120 VAC output, a current-measuring chip, a control for high current motors, or a feature that can switch 250 volt AC up to 10 amps.
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