Sensepoint XCD RFD Technical Manual                                                                SPXCDHMRFEN Issue 4_08-2016
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Terminal Module Connections 
Terminal Number  Marking  Connection  Description 
1  24V  +VE Supply(18-32VDC) 
2  0V  -VE Supp ly(0V DC) 
3  4~20mA  Current Output Signal 
Controller 
Connections 
4  COM  Common 
5  TxD  MODBUS B (+) 
6  RxD  MODBUS A (-) 
MODBUS RTU. 
RS485(Pending)
 
7  RLY1/NC  Normally Closed 
8  RLY1/COM  Common 
9  RLY1/NO  Normally Open 
Programmable 
Relay 1 
(Default A1) 
10  RLY2/NC  Normally Closed 
11  RLY2/COM  Common 
12  RLY2/NO  Normally Open 
Programmable 
Relay 2 
(Default A2) 
13  RLY3/NC  Normally Closed 
14  RLY3/COM  Common 
15  RLY3/NO  Normally Open 
Programmable 
Relay 3 
(Default Fault) 
16  +VE  Sensitive (Sensor Brown Wire) 
17  -VE  Non-Sensitive (Sensor Blue Wire) 
18  01  Signal (Sensor White Wire) 
RFD Sensor 
Connection 
NTS
SA
  
07-Dec-09
Sensepoint XCD 
RFD Installation 
Drawing
3001G0453
A
07/DEC/09
New
Drawing
J.Y.JIN
03/MAR/10
B
Text
Modify
J.Y.JIN
C
07/APR/10
Add Sheet
J.Y.JINJ.Y.JIN
04/May/10
D
Table
Change
E
07/Jun/10
Add Sheet
J.Y.JIN
     
3001G0453
3 Wire Flammable / IR Sensor
Brown -VE
+VE
Signal
Transmitter
1
2
Detector(Sensor)
16
17
18
GG
3
Blue
White
D
C
Transmitter & Detector (Sensor)
NOTES:
   1. REFER TO INSTRUCTION MANUAL FOR TECHNICAL DETAILS.
   2. XCD OPERATING VOLTAGE 12~32Volts DC, 5W(Max)
   3. 4~20 mA LOOP RESISTANCE TO BE < 300 ohms
   4. POWER SUPPLY LOOP RESISTANCE TO BE < 12 ohm
   5. NO TWO 'EARTGH POINTS' SHOULD BE CONNECTED VIA SCREEN AND/OR
       CONDUIT SO AS TO AVOID 'GROUND LOOPS'.
   6. MULTIPLE 'EARTH POINTS' ARE NOT ALLOWED.
   7. '[G] POINTS' (CONTINUITY OF SCREEN) MAY BE ACHIEVED USING
       APPROPRIATE GLANDS/CABLE OR CONDUIT; INTERNAL AND EXTERNAL
       'EARTH POINTS' IN THE TRANSMITTER ARE PROVIDED.