D122.A
3 Installation and Connection
Page 8
3
Installation and Connection
3.1 D122 with control panel housing
3.1.1 Installation control panel housing
The digital indicators D122.A.0 and D122.A.3 are predicated for installation in
a control panel.
How to insert
the dimension
symbol
Insert the dimension symbol (icon) before mounting. Do this by first removing
the front frame as shown in the figure at left. Now remove the front panel
from the housing as shown in the figure on the right.
Cut the desired dimension-symbol from the set and pull it into its intended
place on the right side of the panel. Make sure that the symbol is facing the
front. Replace the front panel and frame.
Fixing
Fix the indicator into the control panel with the intend cramps.
3.1.2 Connecting D122 with control panel housing
Connect the indicator only to intrinsically safe
4..20 mA current circuits.
The terminals of the indicators in the control panel housing are shown in fig-
ure 1. The terminals 5,6 and 7,8 are absent by indicators without alarm moni-
toring.
Please regard the terminal maximum values of the
attached EC- type certificate TÜV 99 ATEX 1488 .