I/O Cards

A variety of analog and discrete I/O interfaces are available to

meet your specific requirements. The following cards support

simplex or redundant installation:

• AI 4-20 mA HART, eight channels

• AO 4-20 mA HART, eight channels

• DI Dry Contact, eight channels

• DO 24V DC High Side, 8channels

• AI (Plus) 4-20 mA HART, 16channels

• AO (Plus) 4-20 mA HART, 16channels

• DI (Plus) 24V DC, Dry Contact, 32channels

• DO (Plus) 24V DC, High-Side, 32channels

The following I/O cards are supported in simplex format to

meet your field wiring needs.

• AI Isolated, four channels

• RTD, eight channels

• Thermocouple, eight channels

• Millivolt, eight channels

• DI 24V DC Isolated, eight channels

• Pulse Count Input, four channels (Isolated DI)

• Sequence of Event, 16 channels (DI 24V DC)

• DI 120V AC Low Side Detection, eight channels

• DI 120V AC Isolated, eight channels

• DO 24V DC Isolated, eight channels

Pulse Counters are available on most DI cards. The supported

maximum frequency varies from 0.1 Hz on AC signals to 75 or

120 Hz on 24V DC inputs, and up to 50 KHz on the High-speed Pulse input card.