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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 field cable conductor is less
than 350V. Voltages in excess of this can cause
permanent damage to the unit's RFI protection
filters.
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.
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.
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