Teledyne Oldham MX 16, User Manual

Page: 26 / 60

MX 16
ANALOG AND DIGITAL CONTROLLER
USER GUIDE
22 NP16EN
Revision: A.0
Internal alarm relays
The
MX 16 has 3 internal relays:
Output Function
R1 Alarm 1 Relay
R2 Alarm 2 Relay
Failure :
(Fault)
Non-programmable common relay, energized, activated upon
the presence of a failure in the
MX 16 (detector and/or module,
system failure, etc.). The acknowledgement of this relay is
automatic.
The dry relay contacts (nominal resistive load of 5A at 250Vac or 30Vdc) are identified as R1, R2 (Figure 14, tag
A) and Fault (Figure 14, tag B).
Figure 14: Internal alarm relays (A) and fault relay (B) terminals
The relay contacts are represented when no power applies to the
MX 16
.
Remote Acknowledgement Connector
If necessary, connect the ACQUIT (dry contact relay, NC) terminal to a remote acknowledgement
system.
Figure 15: Remote acknowledgement connection (A).