Honeywell Searchline Excel Technical Handbook page 20

MAN0530 Issue 10 - 11/09
2104M0506
3. INSTALLATION AND OPERATION
3.3.3 Receiver Connections via DX100(M)
CONTROL
CONTROL
CABINET
CABINET
CONNECTIONS
CONNECTIONS
CABLE SCREEN
CABLE SCREEN
Modbus A (TB1/6)
Modbus A (TB1/6)
Modbus B (TB1/5)
Modbus B (TB1/5)
Modbus Drain
Modbus Drain
CABLE SCREEN
CABLE SCREEN
+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
3.3.4 Transmitter Connections
EXCEL
EXCEL
TRANSMITTER
TRANSMITTER
WIRING
WIRING
GREEN/YELLOW (EARTH) GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit Same potential as Excel body and conduit
RED (+24V)
RED (+24V)
BLACK (0V)
BLACK (0V)
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: Using metal cable glands will connect the
screen of the cable to the Excel Body.
Honeywell Analytics Junction Box
JUNCTION BOX
00780-A-0100
20
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.
EXCEL RECEIVER WIRING
WHITE (4-20mA) TB2/3
WHITE (4-20mA) TB2/3
GREEN/YELLOW (EARTH)
GREEN/YELLOW (EARTH)
Same potential as Excel body and conduit.
Same potential as Excel body and conduit
BLACK (0V) TB2/5
BLACK (0V) TB2/5
RED (+24Vdc) TB2/1
RED (+24Vdc) TB2/1
BLUE (B) TB1/2
BLUE (B) TB1/3
ORANGE (A) TB1/3
ORANGE (A) TB1/2
CABLE SCREEN
CABLE SCREEN
Searchline Excel
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.
CONTROL
CONTROL
CABINET
CABINET
CONNECTIONS
CONNECTIONS
EARTH
EARTH
+24V
+24V
0V 0V
INSTRUMENT (CLEAN)
INSTRUMENT (CLEAN)
EARTH STAR-POINT
EARTH STAR-POINT