RC Systems Standard ST-48 power supply and I/O board, Electrochemical EC input on channel 1 (Series 3000) and 4-20mA input on Channel 2 for Series 3000 gas detectors.
10-0233-420 can be used as a standard 10-0233 but the Series 3000 must be configured for the correct detector input on channel 1, adjust “Data From” in the user menu.