6.4
Connecting the connecting hose to the SR-unit on the EvU
NOTICE
The connecting hose between the SR-unit and the evaluation unit is part of the pressur‐
ized enclosure. It is under overpressure.
b
Protect the connecting hose against possible damage.
1
Lead the cable through the M screw fittings, see Figure below.
2
Connect the cable in the connection unit.
3
Tighten screws on the terminal strip.
4
Push on the connector housing and screw tight.
1
2
Figure 17: Connecting the connecting hose of the SR-unit on the EvU
1
M screw fitting
2
Connector housing
6.5
Connecting pressure, temperature and purge air monitor
NOTE
Purge air monitor - pressure controller for purge air monitoring
•
Wiring layout,
see "Connection overview", page 36
•
Terminal assignment,
see "GM700 Ex 3G terminal connection diagram", page 38
.
•
Observe the Operating Instructions of the sensors and the purge air monitor.
6.6
Preparing the power supply
1
Check that the connection lines meet the requirements:
–
Cross-section: 3 x 1.5 mm
2
2
Plan a disconnecting device for
–
Evaluation unit (
see "Evaluation unit Ex version I/O module", page 91
).
–
Optics purge air units (see technical data of the optics purge air unit).
–
Mark the disconnecting device as disconnecting device for the GM700 Ex.
ELECTRICAL INSTALLATION
6
8019532/100Q/V1-1/2018-08 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
41
Subject to change without notice