Structure Of The Positioner; Representation - bürkert 8694 Bedienungsanleitung

Type 8694
Systemdescription
5.4 Structure of the positioner
The positioner Type 8694 consists of the micro-processor controlled electronics, the position measuring system
and the control system. The device is designed using three-wire technology. The positioner is operated via 2 keys
and a 4-pole DIP switch. The pneumatic control system for single-acting actuators consists of 2 solenoid valves.
5.4.1

Representation

Version 1
Exhaust air con-
nection (label: 3)
Body casing removed:
LED
Air intake filter
(exchangeable)
Additional exhaust air port (label: 3.1)
with pilot-operated control system for high air flow rate
Figure 2: Structure
Transparent cap
Body casing
Pressure limiting valve
(for protection against too
high internal pressure in
case of error)
Connection housing
Pressure supply connection
(label: 1)
Buttons
DIP Switches
Communications
interface
Air intake
filter
(exchangeable)
Electrical connection
(cable gland M16 x 1.5
or circular plug-in connector M12 x 1)
only for Type 23xx and 2103
(actuator size ø 130)
Version 2
Exhaust air con- Pressure supply
nection (label: 3) connection (label: 1)
english
Communications
interface
LED
Screw-
type
terminals
13