Block Circuit Diagram For Single-Acting Or Double-Acting Actuators - Siemens 6DR50 Series Operating Instructions Manual

Description
3.4 Mode of operation
3.4.2

Block circuit diagram for single-acting or double-acting actuators

①
Basic electronics with microcontroller and input circuit
②
Control pad with display and buttons
③
Single-acting or double-acting pneumatic block
④
Position feedback module for positioner
⑤
Alarm module for three alarm outputs and one binary input
⑥
SIA module (slot initiator alarm module)
⑦
Spring-loaded pneumatic actuator (single-acting)
⑧
Pneumatic actuator (double-acting)
Figure 3-12 Block circuit diagram for the electropneumatic positioner, functional diagram
Note
Alarm module and SIA module
Alarm module
28
⑤ ⑥
and SIA module can only be alternatively used.
Operating Instructions, 09/2014, A5E00074631-12
SIPART PS2 with and without HART