VL-SPX-1,ET, 8 ANALOG INPUT CHANNELS
VL-SPX-2,ET, 16 DIGITAL I/O LINES
VL-SPX-3,ET, CANBUS
VL-SPX-4,ET, 4 ANALOG OUT CHANNELS
VLT110-1301,
VLT110-1303,
VLT130-1100,
VLT130-1103,
