16
l
© Brüel & Kjaer Vibro GmbH
/
2 mm
ds822 ATEX /8.12.16/technical specifications subject to change/C105507.001/V02
EN
2 mm displacement sensor system series ds822 ATEX
| Installation
Instruction
4.2.2 Screw mounting
A suitable surface of at least 7x10 cm is required for screw mounting:
Solid metal:
2 screws M4
x
12 A2-70
2 washers A2, inner diameter 4.5 mm
Depth of thread: 12 mm
Steel:
2 sheet metal screws A2
2 washers A2, inner diameter 4.5 mm
Steel thickness 1.2…1.4 mm
Core hole diameter:
3.3 mm
Aluminium
2 sheet metal screws A2
2 washers A2, inner diameter 4.5 mm
Aluminium thickness 1.2…1.4 mmCore hole diameter:
3.2 mm
1.
Mark the positions for both drill holes (section 9.2 Dimensioning of assembly adapter).
2.
Drill two mounting holes.
3.
Connect the assembly adapter with the driver.
4.
Mount the assembly adapter in the mounting surface with two screws and the washers
using the mounting tabs and secure (e.g. Loctite 243 medium strength, Loctite 270 high
strength):
Tighten screws alternately.
4.3
Connect the components together
Connection options:
•
Connection via extension cable
•
Direct connection
4.3.1 Connecting and disconnecting plug connections
The connector ends of the displacement sensor and the extension cable feature self-latching
plug connections. They are plugged together, and not joined by a screw connection.
i
N
OTE
!
The screws for the installation are not included in the delivery contents.
!
C
AUTION
!
The intrinsically safe measuring circuit is connected to the plug housings.
Before start-up the plug connection with the extension cable must be suitably
insulated. For cables in tight protective conduit or pipe systems, the plug
connector may also be insulated using the appropriate insulation set AC-108.
