WE77/EX1 230V PEPPERL & FUCHS, WE77/EX1 230V Datasheet
WE77/EX1 230V
Manufacturer Part Number
WE77/EX1 230V
Description
WE77/EX-1 230V, PEPPERL + FUCHS, SWITCH ISOLATOR 230V
Manufacturer
PEPPERL & FUCHS
Datasheet
1.WE77EX1_230V.pdf
(2 pages)
Specifications of WE77/EX1 230V
Rohs Compliant
YES
Output Type
Relay
No. Of Output Channels
1
No. Of Channels
1
Operating Temperature Range
-25°C To +60°C
Signal Conditioner Output
Relay
Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0 • USA +1-330-4253555 • Singapore +65-67-799091 • Internet www.pepperl-fuchs.com
Isolated Switch Amplifier
• 1-channel
• Control circuit EEx ia IIC
• 230 V AC supply voltage
• Reversible mode of operation
• Lead breakage (LB) monitoring
• 1 relay output with 1 changeover
WE 77/Ex-1 230V
Function
The transformer isolated barrier
transfers digital signals into hazardous
areas. Sensors per EN 60947-5-6
(NAMUR) or mechanical contacts may
be used as transmitters.
The control circuit is monitored for lead
breakage (LB).
contact
Connection
Composition
8
Output
red
9
7
1-
1-
1-
1-
Input EEx ia IIC
=1
&
LB
Copyright Pepperl+Fuchs, Printed in Germany
2+
2+
2+
2+
Successor KFA6-SR2-Ex1.W
3
Testing the bridges
10
4
+
1
WE 77/Ex-1 230V
Power supply
5
11~12
+ -
~
1
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WE77/EX1 230V Summary of contents
Page 1
Isolated Switch Amplifier • 1-channel • Control circuit EEx ia IIC • 230 V AC supply voltage • Reversible mode of operation • Lead breakage (LB) monitoring • 1 relay output with 1 changeover contact WE 77/Ex-1 230V Function The ...
Page 2
Technical data Supply Connection terminals 11, 12 Rated voltage 198 ... 253 ... 65 Hz Power loss 1.6 W Power consumption approx. 2.3 VA Input Connection terminals 1-, 2+ Rated values acc 60947-5-6 (NAMUR), ...