20
MAN0530 Issue 10 - 11/09 Searchline Excel
2104M0506
3. INSTALLATION AND OPERATION
3.3.3 Receiver Connections via DX100(M)
3.3.4 Transmitter Connections
The earth bonding arrangement must ensure
that the maximum peak voltage between the unit
caseearthandanyeldcableconductorisless
than 350V. Voltages in excess of this can cause
permanent damage to the unit's RFI protection
lters.
The earth bonding arrangement must ensure
that the maximum peak voltage between the unit
caseearthandanyeldcableconductorisless
than 350V. Voltages in excess of this can cause
permanent damage to the unit's RFI protection
lters.
Note: The Dx100(M) is housed in a metal
enclosure.
Note: Using metal cable glands will connect the
screen of the cable to the Excel Body.
CONTROL
CABINET
CONNECTIONS
4-20mA OUT (TB2/3)
0V (TB2/6)
+24V (TB2/2)
BLACK (0V) TB2/5
RED (+24Vdc) TB2/1
BLUE (B) TB1/3
ORANGE (A) TB1/2
EXCEL RECEIVER WIRING
CABLE SCREEN
INSTRUMENT (CLEAN)
EARTH STAR-POINT
Modbus A (TB1/6)
Modbus B (TB1/5)
Modbus Drain
CABLE SCREEN
SAFETY / PROTECTIVE
GROUND
Where the DX100(M) is not bonded
to a local safety/ protective earth
then an external safety / protective
earth needs to be made as shown.
GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit.
WHITE (4-20mA) TB2/3
CONTROL
CABINET
CONNECTIONS
CABLE SCREEN
CABLE SCREEN
INSTRUMENT (CLEAN)
EARTH STAR-POINT
Modbus B (TB1/5)
Modbus A (TB1/6)
Modbus Drain
+24V (TB2/2)
4-20mA OUT (TB2/3)
0V (TB2/6)
BLACK (0V) TB2/5
RED (+24Vdc) TB2/1
BLUE (B) TB1/2
ORANGE (A) TB1/3
WHITE (4-20mA) TB2/3
GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit
SAFETY/PROTECTIVE GROUND
Where the DX 100(M) is not bonded
to a local safety/protective earth then
an external safety/protective earth
needs to be made as shown.
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