ENMET MX-42A - Manual (Page 3)

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ABLE OF
C
ONTENTS
1.0 I NTRODUCTION .................................................................................................................................... 1
1.1 Unpack ......................................................................................................................................................1
1.2 Check Order...............................................................................................................................................1
1.3 Serial Numbers ..........................................................................................................................................1
2.0 F EATURES .......................................................................................................................................... 2
3.0 I NSTALLATION AND C ONNECTION .......................................................................................................... 3
3.1 Installation .................................................................................................................................................3
3.1.1 Placement of Control........................................................................................................................3
3.1.2 Placement of Sensor/Transmitters.....................................................................................................3
3.2 Electrical Connection of the MX42A Control .............................................................................................4
3.3 Connection of the MX42A Control to the Sensor/Transmitter .....................................................................5
3.3.1 Type and Connection of Sensor/Transmitters ....................................................................................5
3.4 Connection of the Control to External Devices............................................................................................6
3.4.1 Connection to Auxiliary Alarms ........................................................................................................6
3.4.2 4-20mA Current Output ....................................................................................................................6
4.0 S TART - UP AND O PERATION .................................................................................................................. 7
4.1 Configuration of Alarms and Servocontrol..................................................................................................9
4.2 Characteristics of alarm triggering ..............................................................................................................9
4.3 Adjustment of alarm thresholds and averaging times of alarm 3 ................................................................11
4.4 Outputs ....................................................................................................................................................12
4.4.1 Relays ............................................................................................................................................12
4.4.2 4-20 mA Current Output .................................................................................................................12
5.0 M AINTENANCE ...................................................................................................................................13
5.1 Adjustment of sensor/transmitter and the MX 42A C ONTROL unit .............................................................13
6.0 T ROUBLESHOOTING ............................................................................................................................14
7.0 S PECIFICATIONS .................................................................................................................................15
7.1 Physical ...................................................................................................................................................15
7.2 Display ....................................................................................................................................................15
7.3 Power supply ...........................................................................................................................................15
7.4 Measurement inputs .................................................................................................................................15
7.5 Alarm ......................................................................................................................................................16
7.6 Control functions .....................................................................................................................................17
7.7 Relays......................................................................................................................................................17
7.8 Output......................................................................................................................................................17
8.0 WARRANTY ....................................................................................................................................18
L IST OF I LLUSTRATIONS
F IGURE 1: I NTERIOR V IEW OF MX42A......................................................................................................... 2
F IGURE 2: M OUNTING MX42A C ONTROL .................................................................................................... 3
F IGURE 3: C ONNECTION OF P OWER T ERMINAL ............................................................................................ 4
F IGURE 4: C ONNECTION OF S ENSOR /T RANSMITTER T ERMINAL ...................................................................... 5
F IGURE 5: C ONNECTION TO E XTERNAL D EVICES .......................................................................................... 6
F IGURE 6: F RONT V IEW OF MX42A C ONTROL ............................................................................................. 8
F IGURE 7: L OCATION OF M ICROSWITCHES ..................................................................................................10
F IGURE 8: R ELAY J UMPER AND 4-20 M A POT L OCATION ............................................................................12
F IGURE 9: P OTENTIOMETER L OCATION ......................................................................................................13