Oldham MX 32, User Manual

Page: 16 / 72

12 MX 32
v2
User Manual
Rep. Function
The time delays are:
. Reset Inhibit: Minimum time of activation, adjustable from 0 to 900 seconds.
. Automatic reset: Time adjustable between 15 and 900 seconds, beyond which the
buzzer relay is automatically deactivated.
. Reactivation time: Time adjustable between 15 and 900 seconds, beyond which the
buzzer relay is automatically reactivated if the alarm is still present.
Alarm Relay Management
- by the logic operators OR, AND, NOR, NAND. Up to 4 levels of parentheses. The result
of the equation controls the relay.
- Voting operation (x out of
y): There must be at least “x” events out of “y” to activate the
relay. Depending on user’s programmation, a FAUT event can be treated as an alarm
event.
S. Relays status DEL indicator. Illuminated when the corresponding relay coil is ON.
T. 4 Amp fuse, protects the 24V power supply input
U. Modbus RS485 communication board (option, see page 55)
V. Zero setting potentiometer (on the left line #1, on the right line #2)
W. Span setting potentiometer (on the left line #1, on the right line #2)
X. Catalytic bead current adjustment (top line #1, bottom line #2). Settings are reserved to
authorized personel
Y. Faut relay terminal. DPCO relay, 250Vac-30Vdc / 5A
Front Plate
Figure 9: MX 32
’s front plate
LCD (A)
The display shows the measurements or the settings menus. When an alarm
occurs, the display turns in grayscale mode to indicate the channel that is
currently displayed is on alarm.