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Promet I.S. User’s Manual
Michell Instruments
15
INSTALLATION
2.4 Wiring
These tasks are to be undertaken only by suitably quali
fi
ed
personnel. All the connections to the rear panel are electrical
connections. Exercise due caution, particularly when connecting
to external alarm circuits which could be at high potential.
2.4.1 Overall Wiring Arrangement
EASIDEW PRO I.S.
DEW-POINT TX
4
3
2
1
-
+
PRESSURE TX
(optional)
HAZARDOUS AREA
SAFE AREA
CONTROL UNIT
SENSOR
INPUTS
ALARMS
OUTPUT
COMMS
POWER
SOCKET
or
POWER
CONNECTOR
mA
+V
+V
NO
NO
NO
NO
mA
mA
mA
NC
NC
COM
COM
0V
5
3
2
SCN
SCN
L
N
E
ALARM 2
ALARM 4
ALARM 1
ALARM 3
OUTPUT 1
OUTPUT 2
RS 485
90-264 VAC
POWER SUPPLY
(BY OTHERS)
GND
A
B
10-72 VDC
POWER SUPPLY
(BY OTHERS)
24V
0V
Gnd
+V
0V
Figure 8
Overall Wiring Arrangement
Содержание Promet I.S.
Страница 53: ...Promet I S User s Manual Michell Instruments 45 APPENDIX A Appendix A Technical Specifications...
Страница 56: ...Promet I S User s Manual 48 97221 Issue 5 March 2017 APPENDIX B Appendix B Serial Communications...
Страница 61: ...Promet I S User s Manual Michell Instruments 53 APPENDIX C Appendix C Modbus RTU Comms...
Страница 63: ...Promet I S User s Manual Michell Instruments 55 APPENDIX C...
Страница 64: ...Promet I S User s Manual 56 97221 Issue 5 March 2017 APPENDIX D Appendix D Hazardous Area Certification...
Страница 67: ...Promet I S User s Manual Michell Instruments 59 APPENDIX F Appendix E System Drawings...
Страница 69: ...Promet I S User s Manual Michell Instruments 61 APPENDIX F E 2 FM Approved System Drawing...
Страница 71: ...Promet I S User s Manual Michell Instruments 63 APPENDIX F Appendix F Quality Recycling Warranty Information...
Страница 75: ...Promet I S User s Manual Michell Instruments 67 NOTES...
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Страница 78: ...http www michell com...