Oldham MX 43 - Internal Alarm Relays

36
MX 43
User Manual
Figure 32: 4-20mA detector connected directly on the MX 43 channels.
Please see below the figure for the motherboard with position for channel
connection and relays.
Figure 33: MX 43 Motherboard.
Internal alarm relays
The MX 43 has 6 relays of the following internal alarms:
Output
Function
R1
Relay of freely programmable function
R2
Relay of freely programmable function
R3
Relay of freely programmable function
R4
Relay of freely programmable function
R5
Relay of freely programmable function
Failure :
(Default)
Non-programmable common relay, energized, activated upon the presence of a
failure in the MX 43 (detector and/or module, increased internal temperature,
transition to power supply from the backup battery pack, system anomaly, etc.).
The deletion of this relay is automatic.
Table 10: Internal alarm relays.
MX 43
terminal
block for
channel
connexion