Installation and Connection
Assembly Groups
In line with the customer’s requirement the devices are combined in a
modular way (in compliance with the order code). In each of the slots an
assembly-group may be integrated. In the following the terminal
assignment of the individual assembly-groups are shown. The exact
installation place of the individual modules can be learned from the
connection diagram fixed at the top of your device.
Housing B1
for the following device:
MRI, MRU4
Housing
B1
B1 housing – schematic diagram
The housing must be carefully grounded. Connect a ground cable (4 to 6
mm
2
(AWG 12-10) / 1,7 Nm [15 In-lb]) to the housing, using the screw, which
is marked with the ground symbol (at the rear side of the device).
The power supply card needs a separate ground connection (2.5 mm
2
(AWG 14) at terminal X1 (0.56-0.79 Nm [5-7 In-lb]).
EN MRU4 10/09
Page 23
X1
X2
X3
slot1
slot2
slot3
X100
X101
X103
