D122.A
3 Installation and Connection
Page 9
Intrinsically safe measure circuit 4 ..20 mA
Alarm monitoring option
Terminals
1,2
terminals
5,6
low
alarm
terminals
7,8
high
alarm
Figure 1: Terminals by indicators with control panel housing
3.2 Field housing D122.A.5 and D122.A.6
When mounting the housing box on a wall, be sure that it is securely sup-
ported by anchoring the screws into a stud or other solid surface.
How to insert
the Dimension-
symbol
First, cut the desired dimension symbol out of the set. Then pull off the four
screws of the cap and remove the cap from the housing.
Now push the prepared dimension-symbol into the dimension-symbol-slot.
Make sure that the symbol is facing the front.
The dimension-symbol-slot lies below the display, on the internal side of the
cap.
Finally replace the cup on the housing.
3.2.1 Connection D122 with field housing
The terminals of the indicators with field housing are inside. The placement of
the terminals is shown at the following figures.
Figure 2 shows the terminals of the indicator D122.A.5. Figure 3 shows the
terminals of the indicator D122.A.6.
The terminals 5,6 and 7,8 are absent by indicators without alarm monitoring.
Please regard the terminal maximum values of the
attached EC- type certificate TÜV 99 ATEX 1488 .