TBU152--S TBU152--S 2 Slot Expansion Rack with/cable for T1-40, Uses EX100/T2 I/O Modules. $110.00 | GDI633**S GDI633**S (GDI633--S) DC Input Module, 16 points, 12 to 24 Vdc. $210.00 | TBU104--S TBU104--S 4 Slot Expansion Card Holder for T1-16S, Holds 4 T1-40 I/O Expansion C $44.00 |
TAD131-BS TAD131-BS 1 Analog Input, +/-10 Vdc, 12 bit resolution, Fits inside T1-40. $239.00 |