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MX28B400 +24 VDC User’s Manual Page 33
Parameter Locations, Descriptions, and Default Values
PARAMETER NAME/
[MENU LOCATION]
DESCRIPTION DISPLAY SCREENS /
DEFAULT SETTINGS
System Temperature
{Status Only}
[STATUS]
System temperature measured within the
control unit.
Sys Temp +
26.7 C
System Voltage
{Status Only}
[STATUS]
System output voltage measured
between the power plant +24V and
return buses.
Sys Voltage +
27.00 V
Test Major Relay
Security Level {1}
[SYSTEM/DIAG]
Setting this parameter to “ON” de-
energizes the Major Relay and turns on
the “MAJ” LED on the control unit front
panel. In normal operation Major Relay
is energized so that when a loss of +24
Vdc power occurs, the relay will change
state.
Test Maj Rly m+
OFF
Test Minor Relay
Security Level {1}
[SYSTEM/DIAG]
Setting this parameter to “ON” energizes
the Minor Relay and turns on the “MIN”
LED on the control unit front panel.
Test Min Rly m+
OFF
Test Relay 1
Security Level {1}
[SYSTEM/DIAG]
•
•
•
Test Relay 6
Security Level {1}
[SYSTEM/DIAG]
Setting this parameter to “ON” energizes
Relay 1 and turns on the “ALM1” LED on
the control unit front panel.
•
•
•
Setting this parameter to “ON” energizes
Relay 6 and turns on the “ALM6” LED on
the control unit front panel.
Test Relay 1 m+
OFF
•
•
•
Test Relay 6 m+
OFF
Test Relay Enable
Security Level {1}
[SYSTEM/DIAG]
This parameter must be set to “Enable”
to permit the eight output relays to be
manually tested; otherwise, the state of
the relays will be per system conditions.
Test Relay En m+
Disable
Time
Security Level {1}
[SYSTEM/DATE]
Internal system clock time (24-hour
format). Used as a date stamp in the
event log.
Time m+
9:00:25