ENMET MX-42A - Manual (Page 6)

ENMET Corporation MX42A C ONTROL
2
2.0 Features 2.0 Features 2.0 Features 2.0 Features
See F IGURE 1
Feature Description
Enclosure For wall mounting made of PVC
(length: 13.38, height: 11.81, depth: 4.21 inches)
with internal coating for RFI protection.
Power Supply AC or DC
Display LCD display of the measurements
Inputs 4, for 4-20mA sensor/transmitters which may have combustible, toxic or oxygen sensors.
Output 4-20 mA output per channel (< 1 mA for fault, 2 mA for maintenance)
Audio Alarms Resettable buzzer for alarms or a fault conditions, a total of 3:
• 2 increasing or decreasing thresholds, with manual or automatic clearance.
• 1 increasing or decreasing threshold, automatic clearance.
Visual Alarms 5 LED per channel
Relays
A total of 10 relays distributed as follows:
• 2 relays per channel (NO or NC) for the first two alarm thresholds
• 1 relay common to the channels for the third alarm threshold (or the remote
transmission of the alarm on programming)
• 1 relay common to the channels for detector faults
Figure 1: Interior View of MX42A
Display
Buzzer
Visual Alarms
5 LED per channel
Enclosure
Relays, total of 10
Input / Output
Terminals
Power Supply
Fuses
Mounting Holes 4 pl
Microswitches
1 set per channel
Buzzer Jumper
See caution in Section 4.0
Power Switch Cable glands
10 pl