ENMET MX-48 - Manual (Page 3)

Table of Contents
1.0 Introduction ....................................................................................................................................................................1
1.1 Unpack .......................................................................................................................................................................1
1.2 Check Order ...............................................................................................................................................................1
1.3 Serial Numbers ...........................................................................................................................................................1
2.0 Features..........................................................................................................................................................................2
2.1 The wall-mounted enclosure .......................................................................................................................................2
3.0 Installation .....................................................................................................................................................................3
3.1 Installation Recommendations.....................................................................................................................................3
3.2 Electrical Connection of the MX48 C
ONTROL ..............................................................................................................4
3.2.1 AC power supply..................................................................................................................................................4
3.2.2 DC Supply Input ..................................................................................................................................................4
3.2.3 4-20 Sensor/Transmitter .......................................................................................................................................6
3.2.4 Relay Contacts .....................................................................................................................................................6
3.2.5 Wiring Requirements ...........................................................................................................................................6
4.0 Operation .......................................................................................................................................................................8
4.1 Checking the Installation.............................................................................................................................................8
2.2 Turning On the Control...............................................................................................................................................8
4.3 Operating Modes ........................................................................................................................................................9
4.3.1 Buzzer: ................................................................................................................................................................9
4.3.2 Light-emitting Diodes (LED)................................................................................................................................9
4.3.3 Alarm Thresholds...............................................................................................................................................10
4.3.4 Normal Non-alarm Operation .............................................................................................................................10
5.0 Programming................................................................................................................................................................11
5.1 Front Panel Keypad ..................................................................................................................................................11
5.2 Maintenance Switches...............................................................................................................................................12
5.3 Menus ......................................................................................................................................................................13
5.3.1 Menus and their Functions..................................................................................................................................13
5.3.2 Legend for Block Diagrams of Programming Menus...........................................................................................14
5.4 Bock Diagram of Scrolling Programming Menus.......................................................................................................15
5.4.1 Block Diagram of Channel Programming Menu..................................................................................................16
5.4.2 Block Diagram of Simulation Programming Menu..............................................................................................21
5.4.3 Block Diagram of Programming Copy Channel ..................................................................................................22
5.4.4 Block Diagram of Programming Control Unit.....................................................................................................23
5.4.5 Block Diagram of Reprogramming Programming ...............................................................................................25
6.0 WARRANTY...............................................................................................................................................................26
List of Illustrations
Figure 1: Interior View of MX48 C ONTROL ..........................................................................................................................2
Figure 1a: On/Off Switch Power Supply Board .....................................................................................................................2
Figure 2: Mounting MX48 C
ONTROL ....................................................................................................................................3
Figure 3: Power Supply Board Connections ..........................................................................................................................5
Table 1: Wiring for a Two Wire S/T .....................................................................................................................................6
Table 2: Wiring for a Three Wire S/T ...................................................................................................................................6
Table 3: Typical Channel terminal strip connections .............................................................................................................6
Figure 3a: Typical Channel Board ........................................................................................................................................7
Table 4: Potentiometers per Channel.....................................................................................................................................7
Table 5: Front Panel LED Indications ...................................................................................................................................9
Figure 4: MX48 C
ONTROL Front Panel .................................................................................................................................9
Figure 4a: Front Panel Keypad Buttons.................................................................................................................................9
Figure 5: Display Board .....................................................................................................................................................12
Figure 5a: Maintenance Keypad Switches ...........................................................................................................................12
Table 6: Programming Functions ........................................................................................................................................13
Figure 6: Display Board .....................................................................................................................................................13