Burkert Type 8696 - Manual (Page 9)

9
Technicaldata
“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
2
of the positioner and the 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) Pneumatic connection
Type 8696 with third-party device
A
Process valve
closed in rest
position
(by spring force)
Pilot air outlet
2
1
2
2
1)
B
Process valve
open in rest
position
(by spring force)
Pilot air outlet
2
1
2
2
1)
Tab. 1: Pneumatic connection to third-party device
1)
Connection optionally, see note.
6. TECHNICAL DATA
6.1. Conformity
In accordance with the EC Declaration of conformity, the positioner
Type 8696 is compliant with the EC Directives.
6.2. Standards
The applied standards, which verify conformity with the EC Direc-
tives, can be found on the EC-Type Examination Certificate and / or
the EC Declaration of Conformity.
6.3. Operating conditions
WARNING!
Solar radiation and temperature fluctuations may cause mal-
functions or leaks.
• If the device is used outdoors, do not expose it unprotected to
the weather conditions.
• Ensure that the permitted ambient temperature does not exceed
the maximum value or drop below the minimum value.
Ambient temperature: 0 ... +55 °C
Protection class: IP65 / IP67 according to EN 60529
(only if cables, plugs and sockets have
been connected correctly
and in compliance with the exhaust air
concept in chapter “8.3. Pneumatic con-
nection of the positioner”).
english
Type 8696