DANGER
Risk of explosion through suctioning optics purge air from an Ex zone
Zone separation is no longer ensured when the purge air supply to purge the optics is
suctioned in from an Ex zone. This can lead to an explosion.
b
Always make sure the air for the purge air supply is suctioned in from an Ex-free
zone and ensure sufficient tightness of the purge air path when it passes through
an Ex atmosphere.
NOTICE
Observe zone separation,
see "Zone of use GM700 Ex 3G components", page 21
.
5.5
GM700 Ex scope of delivery
Check the scope of delivery according to the order confirmation/delivery note.
5.6
Installation sequence
5.6.1
Installation example
Carry out assembly according to the project planning and the Inspection protocol. The dimensions specified in the
drawings are guidelines and can deviate strongly from the project planning.
1
2
4
6
3
5
7
8
à
ä
9
ß
á
â
ã
ø
1
3
3
Figure 9: Assembly example, all dimensions in mm
Components
1
Evaluation unit with Ex-p control FS840
2
GM700 Ex sender/receiver unit
3
GMP measuring probe
4
Purge air unit
5
Pressure and temperature sensor (installation location according to project planning)
6
Ex-p control FS840
Dimensions
7
Max. distance SR-unit -EvU: 4 m, 8 m, depending on hose length
8
Duct wall - SR-unit: depending on flange with tube measuring probe length
5
MOUNTING
28
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
8019532/100Q/V1-1/2018-08 | SICK
Subject to change without notice