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Use in Hazardous Environments 91
750-458 8AI; TC; Adjust
Manual
Version 1.3.0
Explosive atmosphere occurring simultaneously with assembly, installation or
repair work must be ruled out. Among other things, these include the following
activities
•
Insertion and removal of components
•
Connecting or disconnecting from fieldbus, antenna, D-Sub, ETHERNET or
USB connections, DVI ports, memory cards, configuration and
programming interfaces in general and service interface in particular:
• Operating DIP switches, coding switches or potentiometers
• Replacing fuses
Wiring (connecting or disconnecting) of non-intrinsically safe circuits is only
permitted in the following cases
•
The circuit is disconnected from the power supply.
•
The area is known to be non-hazardous.
Outside the device, suitable measures must be taken so that the rated voltage is
not exceeded by more than 40 % due to transient faults (e.g., when powering the
field supply).
Product components intended for intrinsically safe applications may only be
powered by 750-606 or 750-625/000-001 bus supply modules.
Only field devices whose power supply corresponds to overvoltage category I or
II may be connected to these components.
Содержание 750-458
Страница 1: ...Manual 750 458 8AI TC Adjust 8 Channel Analog Input Module Thermocouple Adjustable Version 1 3 0 ...
Страница 63: ...Commissioning 63 750 458 8AI TC Adjust Manual Version 1 3 0 Figure 23 Channel settings Menu Item View ...
Страница 66: ...66 Commissioning 750 458 8AI TC Adjust Manual Version 1 3 0 Figure 24 Scaling Menu Item View ...
Страница 69: ...Commissioning 69 750 458 8AI TC Adjust Manual Version 1 3 0 Figure 25 Calibration Menu Item View ...