Honeywell 04230-A-1001 Technical Handbook page 21

Searchline excel infrared gas detectors
Table of Contents

Advertisement

MAN0530 Issue 15 - 07/17
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
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) TB1/2
ORANGE (A) TB1/3
21
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.

Advertisement

Table of Contents
loading

Table of Contents