50W12DC24 50W12DC24 (SD-50A-24) 50 watt DC-DC 12 to 24volt power supply $59.95 | GBU666**S GBU666**S (GBU666--S) Base Rack for S2E, 5 I/O Slots/ Expansion Rack for S2T/S2, $300.00 | TDA121-BS TDA121-BS 1 Analog Output, 0 - 20 ma/0 - 5 Vdc, 12 bit, Fits inside T1-40 $238.00 |
GIF661**S GIF661**S (GIF661--S) Interface Module for Connecting Expansion Racks. $210.00 | GAD624**S GAD624**S (GAD624--S) Analog Input Module, 4 channels, 1-5 Vdc / 4-20 mA, 12-bit $800.00 |