VE4001S2T2B5 Discrete Input Card: 32 Channels, 24 Vdc, Dry Contact
VE4001S3T1B1 Discrete Input Card: 8 CH, 120Vac
VE4001S3T1B2 Discrete Input Card: 8 CH, 120Vac, Isolated, 
VE4001S3T2B1 Discrete Input Card: 8 CH, 120Vac, Dry Contact, 
VE4001S3T2B2 Discrete Input Card: 8 CH, 120Vac, Dry Contact, 
VE4001S4T1B1 Discrete Input Card: 8 Channels, 230Vac,
VE4001S4T1B2 Discrete Input Card: 8 Channels, 230Vac,
VE4001S4T2B1 Discrete Input Card: 8 Channels, 230Vac,
VE4001S4T2B2 Discrete Input Card: 8 Channels, 230Vac,
VE4002S1T1 DO, 8-Channel, 24 VDC, Isolated Card
VE4002S1T1B1 Discrete Output Card: 8 CH 24Vdc, Isolated, 
VE4002S1T1B2 Discrete Output Card: 8 CH 24Vdc, Isolated, Fused 
VE4002S1T1B3 Discrete Output Card: 8 CH 24Vdc, Isolated, 
VE4002S1T2B1 Discrete Output Card: 8 CH 24Vdc, High Side, 
VE4002S1T2B2 Discrete Output Card: 8 CH 24Vdc, High Side
VE4002S1T2B3 Discrete Output Card: 8 CH 24Vdc, High Side, 
VE4002S1T2B4 Discrete Output Card: 8 CH 24Vdc, High Side, 
VE4002S1T2B5 DO, 32-Channel,24 VDC, High-Side Card
VE4002S1T2B6 Discrete Output Card, 32 Channels, 24Vdc, High Side, 
VE4002S2T1 DO, 8-Ch, 120/230 VAC Isolated
VE4002S2T1B1 Discrete Output Card: 8 CH 115/230Vac, 
VE4002S2T1B2 Discrete Output Card: 8 CH 115/230Vac, Isolated, 
VE4002S2T2 DO,8-Channel, 120/230 VAC, High Side
VE4002S2T2B1 Discrete Output Card: 8 CH 115/230Vac, High Side, 
VE4002S2T2B2 Discrete Output Card: 8 CH 115/230Vac, High Side, 
VE4007 FIELDBUS H1 CARD
VE4009 Serial Interface Card 
VE4014 PROFIBUS DP Card
VE4015 Pulse Count Input Card: 4-Channels, 24 Vdc
VE4016 DeviceNet Interface Card
VE4017PO Simplex H1 Fieldfbus I/O Interface Card 
VE4021 Zone 2 Remote I/O scanner
VE4050E1C0 8-Wide I/O Interface Carrier 
VE4050E2C0 8-Wide I/O Interface Carrier 
VE4050E2C2 8-Wide I/O Interface Carrier 
VE4055S1C1 8-Wide Left-Side Vertical-mount Interface Carrier 
VE4102 Serial Interface port license
VE4201 Analog I/O Card for Zone 1 Remote I/O
VE4202 Discrete I/O Card for Zone 1 Remote I/O
VE4251 Carrier Assembly for up to 4 Zone 1 Remote I/O Cards