Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08-2016
54
17.2 Electronic Connection Drawing
Terminal Module Connections
Terminal Number Marking Connection Description
1 24V +VE Supply(18-32VDC)
2 0V -VE Supply(0VDC)
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 Wir e)
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 4~20mA (Source) with Relays
G
+VE
Signal
-VE
+VE
Signal
-VE
NC
Com
NO
NC
Com
NO
NC
Com
NO
Source select
Transmitter
1
2
3
3
2
7
8
9
10
11
12
13
14
15
R
L
3 Wire 4~20mA (Sink) with Relays
G
+VE
Signal
-VE
+VE
Signal
-VE
NC
Com
NO
Com
NO
NC
Com
NO
Sink select
Transmitter
1
2
3
1
3
2
7
8
9
10
11
12
13
14
15
R
L
Controller Controller
NC
1
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.
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