Device Description - WAGO 750-439/040-000 Manual

8-channel digital input; namur; intrinsically safe; extreme for wago i/o system 750 xtr
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14

Device Description

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Device Description
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The I/O Module 750-439/040-000 (8DI NAMUR Ex i XTR) records digital control
signals from sensors located in the hazardous field area of zone 0 or 1.
Supported are, for example, NAMUR sensors, optocouplers, mechanical contacts
or other actuating elements.
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Installation only in zone 2 or in non-hazardous environments!
The installation of the WAGO I/O SYSTEM 750 fieldbus couplers/controllers and
I/O modules is only to be done in zone 2 or in non-hazardous environments.
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The I/O module provides 8 input channels including channel-by-channel short-
circuit and open-circuit diagnostics and enables the direct, intrinsically safe
connection of sensors in 2-wire connection technology.
The sensors are connected to the CAGE CLAMP
0 V.
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The assignment of the connections is described in the "Connectors" section.
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Connection examples are shown in section "Connect Devices" > ... >
"Connection Example(s)".
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The status of the input channels is indicated via green status LEDs. A color
change to red signals an open circuit or a short circuit.
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The meaning of the LEDs is described in the "Display Elements" section.
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Ex i XTR I/O modules shall only be supplied via "Power Supply 24 VDC
Diagn for Ex i XTR Modules"
Ex i XTR I/O modules shall only be operated with a "Power Supply 24 VDC
Diagn for Ex i XTR Modules" 750-606/040-000.
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Do not exceed maximum current via power contacts!
The maximum current available from the "Power Supply 24 VDC Diagn for Ex i
XTR Modules" 750-606/040-000 is 1 A.
When configuring the system, ensure that this current is not exceeded.
If exceeded, an additional 750-606/040-000 must be used.
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The field voltage and the system voltage are electrically isolated from each other.
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All field signals connected to this XTR I/O module must be powered by
SELV/PELV power supplies.
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Manual
Version 1.1.0
WAGO I/O SYSTEM 750 XTR
750-439/040-000 8DI NAMUR Ex i XTR
connectors DI 1 to DI 8 and
®

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