SED 024.16.720 - Structure of the Positioner; Representation

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System Description
Type 024.16.720
6.4. Structure of the positioner
The positioner Type 024.16.720 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.
6.4.1. Representation
Pressure supply connection
(label: 1)
Exhaust air con-
nection (label: 3)
Electrical connection
(cable gland M16 x 1.5
or circular plug-in connector M12 x 1)
Body casing removed:
Buttons
DIP Switches
LED
Transparent cap
Pressure limiting valve
(for protection against
too high internal
pressure in case of error)
Airintakelter
(exchangeable)
Body casing
Version 1
Circular plug-in connector
Version 2
AS interface
Cable gland
Communications
interface
Pressure supply connection
(label: 1)
Exhaust air con-
nection (label: 3)
LED
Communica-
tions interface
Airintakelter
(exchangeable)
Screw-
type
terminals
Fig. 2: Structure