The C0-08TR-3 ($49.00) is an 8-point, 3A per point, relay output module with eight Form A (SPST) relays and 4 isolated commons. Operating voltage range is 6-27 VDC / 6-240 VAC. Priced at $40.00, the ...

The PLC works by reading input signals from devices such as sensors or switches and, depending on the value(s), turning outputs on or off. In its simplest form, a PLC replaces relay logic. Instead of ...