Endress+Hauser RIA251, Руководство по эксплуатации

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1. System description
The process display is connected directly to a 4...20 mA current
circuit. The energy required to power the unit is derived from
the current loop. The unit registers an analogue measured
value and shows this on an easily readable LC display.
2. Mechanical installation
Installation hints:
- The unit must only be operated in an installed condition.
- The installation area must be vibration free.
- The permissible operating ambient temperature
is -10...+60°C.
- Protect the unit from heat sources.
Normally the installation requirements for both Ex and non-Ex
units are the same.
Any national standards for the installation must be adhered to.
Panel installation:
Prepare a panel cut out of 45
+0.6
x 92
+0.8
mm (to DIN 43700).
Installation depth of the unit is 90 mm.
Push the unit through the gasket and the front of the
panel cutout.
Hold the unit horizontally and fix the jackscrews to their
respective slots (top and bottom).
Tighten the jackscrews evenly using a screwdriver.
Process display
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