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C O N T E N T S
1.
INSTALLATION AND CONNECTIONS ................................................................... 7
1.1.
INSTALLATION : RECOMMENDATIONS ........................................................ 7
1.2.
ELECTRICAL CONNECTIONS FOR THE MX52 FACILITY (Fig.8) ............... 7
1.2.1.
AC supply ................................................................................................................ 7
1.2.2.
DC supply ................................................................................................................ 8
1.3.
THE SENSORS (Fig. 9 – Fig. 12) .......................................................................... 8
1.3.1..
Explosimetric detectors of PONT type .......................................................... 8
1.3.2.
3-wire detectors 4-20 mA: 3 connecting wires for shielded cable .......................... 9
1.3.3.
2-wire detectors 4-20 mA: 2 connecting wires for shielded cable .......................... 9
1.3.4.
FIRE detectors: 2 connecting wires for shielded cable ........................................... 9
1.3.5.
FLAME detectors: 2, 3 or 4 connecting wires for shielded cable depending on
utilization ................................................................................................................. 9
1.3.6.
CO2 detector of type “Ventostat VT” ................................................................... 11
1.3.7.
Specific case of CTX100 / COX 100 intrinsic safety detectors ............................ 11
1.3.8.
Other detectors with standardized current output .................................................. 11
1.3.9.
Parking application ................................................................................................ 12
1.4.
Connecting the unit to external devices ................................................................ 12
1.4.1.
Slaving controls .......................................................................................................................... 12
1.4.2.
4-20 mA current outputs (Fig. 12) .............................................................................................. 13
1.4.3.
RS 232 and RS 485 outputs ........................................................................................................ 13
1.4.4.
Remote acknowledgement .......................................................................................................... 14
2.
SWITCHING ON ......................................................................................................... 15
2.1.
CHECKING THE INSTALLATION.................................................................... 15
2.2.
SWITCHING ON THE FACILITY ...................................................................... 15
2.3.
OPERATING MODES ......................................................................................... 16
2.3.1.
Buzzer ......................................................................................................................................... 16
2.3.2.
Light-emitting diodes (LEDs) (fig26) ......................................................................................... 16
2.3.3.
Alarm thresholds ......................................................................................................................... 16
2.3.4.
The measurement facility ............................................................................................................ 17
3.
USE ................................................................................................................................. 19
3.1.
LIST AND FUNCTION OF THE VARIOUS “USER” ELEMENTS FOR
PROGRAMMING AND CALIBRATING THE FACILITY ............................... 19
3.1.1.
The keypad (see Fig.26 and 4) .................................................................................................... 19
3.1.2.
The maintenance keys ................................................................................................................. 20
4.
SCRAPPING OF MX52 ............................................................................................... 21
5.
SPECIAL SPECIFICATIONS FOR USE IN POTENTIALLY EXPLOSIVE
ATMOSPHERES IN ACCORDANCE WITH EUROPEAN DIRECTIVE ATEX
94/9/EC. ................................................................................................................................... 23
5.1.
SPECIFICATIONS FOR MECHANICAL AND ELECTRICAL
INSTALLATION IN CLASSIFIED AREAS. ...................................................... 23
Summary of Contents for MX 52
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Page 29: ... 29 6 6 V Vi ie ew ws s d de ep pi ic ct te ed d i in n t th he e l le ea af fl le et t ...
Page 30: ... 30 MX52 OVERALL DIMENSIONS FIGURE 1 ...
Page 33: ... 33 B MICRO BOARD FIGURE 6 A ...
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