Download GAS-CADA

GAS-CADA
vemm tec
4
4.1
4.2
4.2.1
4.2.2
4.2.3
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.4
4.4.1
4.4.2
4.5
4.6
4.7
4.8
4.8.1
4.8.2
4.8.3
4.8.4
4.8.5
4.8.6
4.9
INSTALLATION................................................................................................................................... 25
Safety instructions and warnings: See back page............................................................................... 25
Application examples .......................................................................................................................... 25
Installation in a single-line regulating station .......................................................................... 25
Installation in a dual-line regulating station: measurement and monitoring............................ 25
Installation in a single-line regulating station with the device outside the ex zone (in area 2) 26
Mounting instructions .......................................................................................................................... 27
Mechanical assembly with the mounting plate ....................................................................... 28
Mounting on the wall............................................................................................................... 29
Mounting on a pipe ................................................................................................................. 29
Mounting on a vertical bar ...................................................................................................... 30
Connecting the transmitters to the measured medium ....................................................................... 30
Connecting the pressure transmitter ...................................................................................... 30
Connecting the temperature transmitter................................................................................. 30
Grounding............................................................................................................................................ 31
Device assembly wiring ....................................................................................................................... 32
Cable connections and recommended cable types ............................................................................ 32
Pin assignment, terminals and connectors ......................................................................................... 33
Terminals of external power supply and binary inputs ........................................................... 33
Terminals of binary outputs and RS 232/RS 485 communication.......................................... 34
Terminals for temperature and pressure transmitters............................................................ 34
Pin assignment of temperature and external pressure transmitter connectors...................... 35
D-Sub9 extension connector .................................................................................................. 35
Serial connection between GAS-CADA and PC..................................................................... 36
Installation of accessories for GSM/GPRS communication ................................................................ 36
5
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.7
5.1.8
5.2
5.2.1
5.2.2
5.3
5.3.1
5.3.2
5.3.3
OPERATION ....................................................................................................................................... 38
Technical specifications ...................................................................................................................... 38
Mechanical parameters .......................................................................................................... 38
Ambient parameters ............................................................................................................... 38
Intrinsical safety...................................................................................................................... 38
Power supply .......................................................................................................................... 38
Metrological parameters and device accuracy ....................................................................... 39
Digital inputs ........................................................................................................................... 40
Digital outputs......................................................................................................................... 41
Interfaces for communication with master system ................................................................. 41
Economical operational mode of the device ....................................................................................... 42
Communication with the device.............................................................................................. 42
Output generation................................................................................................................... 42
Battery life time.................................................................................................................................... 43
LP-03 supplying battery .......................................................................................................... 43
Backup battery........................................................................................................................ 43
Self-discharge of batteries...................................................................................................... 43
6
6.1
6.2
MAINTENANCE .................................................................................................................................. 44
Replacing the fuses............................................................................................................................. 44
Replacing the batteries........................................................................................................................ 44
7
WARRANTY........................................................................................................................................ 45
8
APPENDIX WITH TABLES AND FIGURES ....................................................................................... 46
9
SAFETY INSTRUCTIONS AND WARNINGS..................................................................................... 48
IOM / January 2007
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