Analog output card for 4-20mA field signal control in Ovation DCS rack ...

Analog output card for 4-20mA field signal control in Ovation DCS rack ...

Digital input card collects field switch signals for Ovation distributed control system. ...

Digital input card gathers field switch signals for Ovation distributed control system. ...

Digital output card sends control signals to field devices in Ovation DCS rack ...

Analog input card collects 4-20mA field signals for Ovation DCS system ...