Honeywell Searchline Excel Technical Handbook page 22

MAN0530 Issue 10 - 11/09
2104M0506
3. INSTALLATION AND OPERATION
Wiring with dX100(m)
See also DX100 Termination Unit's technical Handbook.
EXCEL
EXCEL
RECEIVER
RECEIVER
The earth bonding arrangement
must ensure that the maximum
peak voltage between the unit
case earth and any field cable
conductor is less than 350V.
Voltages in excess of this can
cause permanent damage to the
unit's RFI protection filters.
(mounted on Receiver mounting plate)
GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit
Use isolating glands where necessary
ORANGE (A)
BLUE (B)
RED +24V
BLACK (0V)
WHITE (4-20mA)
(mounted in a convenient and accessible position)
(mounted in a convenient and accessible position)
CONTROL
CONTROL
CABINET
CABINET
CONNECTIONS
CONNECTIONS
Modbus A (TB1/6)
Modbus A (TB1/6)
Modbus B (TB1/5)
Modbus B (TB1/5)
Modbus Drain
Modbus Drain
+24V (TB2/2)
+24V (TB2/2)
4-20mA OUT (TB2/3)
4-20mA OUT (TB2/3)
0V (TB2/6)
0V (TB2/6)
INSTRUMENT (CLEAN)
INSTRUMENT (CLEAN)
EARTH STAR-POINT
EARTH STAR-POINT
CABLE SCREEN
CABLE SCREEN
GREEN/YELLOW (EARTH)
ORANGE (A) TB1/2
BLUE (B) TB1/3
RED (+24V) TB2/1
RED (+24V) TB2/1
BLACK (0V) TB2/5
BLACK (0V) TB2/5
WHITE (4-20mA) TB2/3
WHITE (4-20mA) TB2/3
22
LOCAL JUNCTION BOX
DX100(M) JUNCTION BOX
DX100(M) JUNCTION BOX
CABLE SCREEN
CABLE SCREEN
CABLE SCREEN
CABLE SCREEN
Searchline Excel
CABLE SCREEN
SAFETY / PROTECTIVE
SAFETY/PROTECTIVE GROUND
GROUND
Where the DX 100(M) is not bonded
Where the DX100(M) is not bonded
to a local safety/protective earth then
to a local safety/ protective earth
an external safety/protective earth
then an external safety / protective
needs to be made as shown.
earth needs to be made as shown.