Cashco Siemens PS2 I/P User Manual

Page 50

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background image

Preparing for Operation

50

SIPART PS2 Manual

A5E00074631-01

3.4.1.2

Connection variant: intrinsically safe

.

NOTE
Only certified intrinsically safe circuits may be connected as power

supply, control and signal circuits.

+

J

4 to 20 mA

Positioner

Digital inputs 1

6DR5010-xExxx

6DR5020-xExxx

6DR5011-xExxx

6
7
8
9
10

+3 V

A

E

Non-hazardous

area

Intrinsically

safe power

source

EEx

Hazardous area zone 1 or zone 2

Figure 3-13

Two--wire connection standard controller 6DR50xx-xExxx (power supply from signal current)

.

NOTE
The current i

y

≥ must be 3.6 mA to maintain the power supply.

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