Model For Control Of Third-Party Devices - bürkert TopControl Basic 8696 Bedienungsanleitung

Type 8696
Systemdescription
5.4 model for control of third-party devices
A special model enables the positioner Type 8696 to be attached to third-party devices.
This model has a different pneumatic connection housing so that the pilot air ports can be connected to the
outside of the actuator.
Connection housing
Figure 2: Model for third-party devices
noTe!
Damage or malfunction due to ingress of dirt and moisture.
▶ To comply with degree of protection IP65 / IP67, connect the pilot air outlet (only for CFA or CFB) which is
not required to the free pilot air port of the third-party device or seal with a plug.
"In rest position" means that the pilot valves of the positioner Type 8696 are isolated or not actuated.
If the ambient air is humid, a hose can be connected between pilot air outlet 2
unconnected pilot air port of the third-party device for control function A or control function B. As a result,
the spring chamber of the third-party device is supplied with dry air from the vent duct of the positioner.
control function (cf)
Process valve closed in rest position
a
(by spring force)
Process valve open in rest position
B
(by spring force)
Table 2: Pneumatic connection to third-party device
Connection optionally, see note.
1)
Electrical connection
(circular plug-in connector)
Exhaust air port
(label: 3)
Fastening screws (2 x)
Pilot air port
(label: 1)
Pilot air outlet 2
Pilot air outlet 2
pneumatic connection
type 8696 with third-party device
Pilot air outlet
Pilot air outlet
english
1
2
of the positioner and the
2
2
1)
2
2
1
2
1
2
1)
2
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