Flowserve MX FOUNDATION Fieldbus Field Unit Manuel d'utilisateur télécharger pdf (Page 11)

MX/QX FOUNDATION Fieldbus Field Unit FCD LMENIM2330-01 – 08/11

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2.2.2 MX/QX FF Interface Board

The MX/QX FF ﬁeld unit interface board is installed in the actuator controls compartment (Figure 2.3).

This unit permits the actuator to be controlled by a DCS or master station over the ﬁeldbus network.

The following commands and feedback information are transmitted through this unit:

• OPEN, CLOSE, and STOP commands

• ESD (Emergency Shutdown) commands

• Partial Stroke Test commands

• Unit output torque (0-100% rating)

• Go-to-position commands

• Actuator status, alarm, and diagnostic messages

• User analog input feedback

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Flowserve MX FOUNDATION Fieldbus Field Unit Manuel d'utilisateur Page 11