TRPAIO0202L TRPAIO0202L 2 - 12 Bit inputs, 0-10 V, 4-20 mA, 2 - 12 Bit outputs, 0-10 V, 4-20 $204.00 | GAD624L*S GAD624L*S (GAD624L-S) Analog Input Module, 4 channels, 1-5 Vdc / 4-20 mA, 8-bit $390.00 | GBU666**S GBU666**S (GBU666--S) Base Rack for S2E, 5 I/O Slots/ Expansion Rack for S2T/S2, $300.00 |