Installing the optional modules
5.4 Slotted initiator alarm unit
SIPART PS2 with PROFIBUS communication
64
Operating Instructions, 09/2007, A5E00127926-07
Device features
The slotted initiator alarm unit, abbreviated as SIA unit consists of three binary outputs.
Figure 5-5
SIA unit
5.4.2
Installing the slotted initiator alarm unit
Installing the SIA unit
Proceed as follows to install the SIA unit:
1.
Disconnect all electrical connections of the motherboard.
2.
Unlatch both the fixing screws of the motherboard.
3.
Disengage the motherboard by carefully bending the four brackets.
4.
Insert the SIA unit from the top up to the upper printed circuit board guide of the module
rack.
5.
Slide the SIA unit in the printed circuit board of the module rack approximately 3 mm to
the right.
6.
Screw in the special screw through the SIA unit into the positioner shaft. Tighten the
special screw with a torque of 2 Nm.
NOTICE
A pin in the actuating disc bearing is pressed. Align this pin before it touches the special
screw. You must rotate the actuating disc bearing and the special screw simultaneously
so that the pin is inserted into the special screw.
7.
An insulating cover is provided over the SIA unit. Place the insulating cover to one side
under the motherboard seat on the container wall. The recesses of the insulating cover
must fit in the corresponding webs of the container wall.