S-USB-2COM S-USB-2COM Dual USB - to - Serial adapter $47.95 | GBU648E*S GBU648E*S (GBU648E-S) Base Rack for S2T/S2, 8 Slots (Up to 5 station bus slots). $640.00 | 50W12DC24 50W12DC24 (SD-50A-24) 50 watt DC-DC 12 to 24volt power supply $59.95 |
GDI634**S GDI634**S GDI634--S DC Input Module, 32 points, 24 Vdc $500.00 | TRPDIX1600 TRPDIX1600 16 Inputs, 24 Vdc (sink/source). $79.00 | GDA622**S GDA622**S (GDA622--S) Analog Output Module, 2 channels, 1-5V, 4-20 mA output, 12 $970.00 |