Basic Electronics - Siemens 6DR50 Series Operating Instructions Manual

①
②
③
④
⑤
⑥
⑦
for double-acting actuators
1)
only possible when positioner is open
2)
Figure 3-9
3.3.2

Basic electronics

Figure 3-10
The basic electronics contains:
● CPU
● Memory
● Analog-to-digital converter
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12
Input: Supply air PZ
Output: Actuating pressure Y1
Display
Output: Actuating pressure Y2
Buttons
Transmission ratio selector
Restrictor Y1
View of positioner in flameproof enclosure, cover opened
Basic electronics, schematic representation
⑧
Restrictor Y2
⑨
Friction clutch adjustment wheel
⑩
Connecting terminals of option modules
⑪
Connecting terminals of basic electronics
1)
⑫
Safety catch
⑬
Ground terminal
2)
Description
3.3 Device components
1)
25