22
MAN0530 Issue 15 - 07/17 Searchline Excel
2104M0506
3. INSTALLATION AND OPERATION
3.3.4 Transmitter Connections
The earth bonding arrangement must ensure
that the maximum peak voltage between the unit
caseearthandanyeldcableconductorisless
than 350V. Voltages in excess of this can cause
permanent damage to the unit's RFI protection
lters.
Note: Using metal cable glands may connect the
armour of the cable to the Excel Body.
CONTROL
CABINET
CONNECTIONS
0V
+24V
EARTH
CABLE SCREEN
INSTRUMENT (CLEAN
EARTH STAR-POINT
RED (+24V)
BLACK (0V)
EXCEL
TRANSMITTER
WIRING
JUNCTION BOX
GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit
EXCEL
TRANSMITTER
WIRING
GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit
RED (+24V)
BLACK (0V)
Honeywell Analytics Junction Box
00780-A-0100
CABLE SCREEN
CONTROL
CABINET
CONNECTIONS
EARTH
+24V
0V
INSTRUMENT (CLEAN)
EARTH STAR-POINT