Dräger PEX 1000 Instrucciones De Uso página 27

1. Connection between controller unit and supply voltage as shown.
2. Connection between sensing head SE Ex and PEX 1000 as shown.
The power supply may also be an integral part of the controller unit.

PEX 1000
Typ XTR 0090,
XTR 0091
shielding
PEX 1000
Connection to controller unit:
Connect terminal +24V to +24 Volt
Connect terminal SIG to 4 to 20 mA input
Connect terminal 0 V to 0 Volt
Dräger PEX 1000
max. cable length see table in chapter 3.1.2
OK
shielding in
insertion fitting
Polytron SE Ex PR ... DD
1 2 3
1 2 3
power supply
+24 volt
24 V 20 %,
0 volt
4 to 20 mA
0 mA
controller unit
Connection to sensing head
Connect terminal br/br to terminal 1
Connect terminal ge/yw to terminal 2
Connect terminal sw/bk to terminal 3
Operation
sensing head
0,15 A
00133445_en.eps
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