-
+
1
10
138
238
9
$$
$
$
① Display ⑧ Output: Actuating pressure Y2
1)
② Restrictor Y1 ⑨ Restrictor Y2
1)
③ Output: Actuating pressure Y1 ⑩ Buttons
④ Input: Supply pressure PZ ⑪ Ground terminal
⑤ Safety catch ⑫ Connecting terminals of option modules
⑥ Transmission ratio selector
2)
⑬ Connecting terminals of basic electronics
⑦ Friction clutch adjustment wheel
1)
for double-acting actuators
2)
visible when the positioner is open
Figure 3-7 View of positioner in flameproof enclosure, cover opened
3.3.2 Basic electronics
Figure 3-8 Basic electronics, schematic representation
The basic electronics contains:
● CPU
● Memory
● Analog-to-digital converter
● Display
Description
3.3 Device components
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 29
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