52 EB 8394 EN
Operating the positioner
7.3 Adjusting the volume restriction Q
The volume restriction Q (see Fig.19) serves to adapt the air output capacity to the size of
the actuator:
Actuators with a transit time < 1 s, e.g. linear actuators with an effective area smaller than
240cm², require a restricted air ow rate.
Î Setting to MIN
Actuators with a transit time ≥ 1 s do not require the air ow rate to be restricted.
Î Setting to MAX
Additional points that apply concerning the volume restriction:
Î Intermediate settings are not permitted.
Î Re-initialize positioner after changing the volume restriction setting.
Volume restriction
Fig.19: Volume restriction Q (MAX/MIN setting)
To Next Page
Loading...
