14 Device Description WAGO I/O SYSTEM 750 XTR
750-585/040-000 2AO 0-20mA Ex i XTR
Manual
Version 1.1.0
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3 Device Description
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The analog output module 750-585/040-000 (2AO 0-20mA Ex i XTR) generates a
standardized signal of 0 … 20 mA for hazardous field area of zone 0 or 1.
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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 module has 2 output channels and enables, for example, the direct wiring of
two 2-conductor actuators. The actuators are connected to the CAGE CLAMP
®
connectors AO 1 and 0 V or AO 2 and 0 V.
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The operating status of the channels is indicated by a green status LED per
channel.
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The meaning of the LEDs is described in the “Display Elements” section.
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The Ex i XTR I/O module (750-585/040-000) receives the 24 V voltage supply
potential and the 0V potential for the field level from an upstream Ex i XTR I/O
module or from the “Power Supply 24 VDC Diagn for Ex i XTR Modules” 750-
606/040-000 via the power contacts designed as blade contacts.
The Ex i XTR I/O module (750-585/040-000) provides these potentials to
subsequent I/O modules via the power contacts designed as spring contacts.
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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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The output channels of this module have a common shield (screen) connection.
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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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