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WAGO-I/O-SYSTEM 750
Connect Devices
43
750-633 Up/Down Counter Ex i
Manual
Version 1.3.0 HW-Version 03, SW-Version 01
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6.2
Power Supply Concept
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Ex i I/O modules shall only be supplied via Ex i 24VDC power supply
module!
Ex i I/O modules shall only be operated with an Ex i 24VDC power supply
module.
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Keep the air and creep distances between intrinsically safe segments!
The maximum current available from the 750-606 or 750-625/000-001 Ex-i
Supply Module is 1 A.
If the use of further DC 24 V Ex i Supply modules is necessary for reasons of
extent of utilization, four Separation Modules (750-616) must be used to
guarantee the distance between the intrinsically safe segments.
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Do not exceed maximum current via power contacts!
The maximum current available from the 750-606 or 750-625/000-001 Ex-i
Supply Module is 1 A.
When configuring the system, ensure that this current is not exceeded.
If exceeded, an additional potential feed module must be used.
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Further information about explosion prevention!
Further information about explosion prevention can be found in section “Use in
Hazardous Environments”!
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The Ex i I/O module receives the 24 V voltage supply for the field level from an
upstream Ex i I/O module or from an Ex i power supply module via the power
contacts used as blade contacts. It then provides this potential to subsequent I/O
modules via the power contacts used as spring contacts.
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