No. SS2-AVP772-0100 Azbil Corporation 2-3) System Configuration with Contact Output (Model AVP 7..0) Model AVP 7..0 has a function of transmitting ....contact output signal. This contact output will be sent out via .............. output regardless of the valve position whenever an abnormality in the self ....................(during serious failure) or PST is detected. With this system configuration, the contact output from the instrument is output to the host monitoring system. 2-3-1) Analog current signal input ............ configuration ...... Model AVP 770. Emergency Shut ..own Valve AO DI Contact Signal (Self diagnosis (failure) / PST abnormality) 4-20 mA DC 24 V DC Power Supply (Emergency Shut ....own signal / power supply) HART Host Logic Solver Figure 12. System Configuration ...... Model AVP 770 Used as ESD Device 2-3-2) ................ voltage signal (0/24 V DC) inputs ..ystem configuration ...... Model AVP 790. Emergency Shut ..own Valve DO DI Contact Signal (Self diagnosis (failure) ....PST abnormality) 24 V DC Power Supply 0/24 V DC (Emergency ..hut ..own ..ignal / power supply) Resistance: 500 Ω Logic Solver HART Host Figure 13. System Configuration ...... Model AVP 790 Used as ESD Device 10