Terminal Connections - Honeywell Sensepoint XCD RFD Technical Manual

Sensepoint XCD RFD Technical Manual

6.2 Terminal connections

Note: Ensure that none of the wires in the terminal area cause an obstruction when
refitting the Display Module. Ensure that the socket on the Display Module is fully engaged
in the Display Module Connector on the Terminal Module.
Ground/Earth
Point
Terminal Block
Power & Signal
Display Module
Connector
Terminal block for
Sensepoint or 705
Flammable sensor
Terminal
Marking
Number
1 24V
2
3 4~20mA
4 COM
5 TxD
6 RxD
7 RLY1/NC
8 RLY1/COM
9 RLY1/NO
10 RLY2/NC
11 RLY2/COM
12 RLY2/NO
13 RLY3/NC
14 RLY3/COM
15 RLY3/NO
16 +VE
17 -VE
18
Note: The 705 HT sensor (UL Certified only) must be earthed either at the remote junction
box or at the transmitter as appropriate. Avoid earth loops.
Diagram 6: Sensepoint XCD RFD Terminal module
Terminal Module Connections
+VE Supply(16-32VDC)
0V -VE Supply(0VDC)
Current Output Signal
MODBUS A(+)
MODBUS A(-)
Normally Closed
Normally Open
Normally Closed
Normally Open
Normally Closed
Normally Open
Sensitive (Sensor Brown Wire)
Non-Sensitive (Sensor Blue Wire)
01 Signal (Sensor White Wire)
Table 1: Transmitter terminal connections
Connection
Common
Common
Common
Common
17
SPXCDHMRFENU Issue 1
Terminal Block
for Relays
Display Module
Alignment Pin
Locator
Note: Terminal
Blocks are
plug/socket type
and may be
removed to ease
wiring.
Description
Controller Connections
MODBUS RTU. RS485
(Optional)
Programmable Relay 1
(Default A1)
Programmable Relay 2
(Default A2)
Programmable Relay 3
(Default Fault)
RFD Sensor Connection