Using a PT Controller: Operation/Monitoring
Page 132
©
2017 Sensata Technologies
•
DISENGAGED
– Manually forces the PT Aux Relay contacts to stay disengaged. When the
PT Aux Relay is disengaged, the COM to N.O. contact is open, and the COM to N.C. contact is
closed. This setting can be used to manually control the device connected to the PT Aux Relay,
or can be used to test the PT Aux Relay’s operation.
• ENGAGED
– Manually forces the PT Aux Relay contacts to stay engaged. When the PT Aux
Relay is engaged, the COM to N.O. contact is closed, and the COM to N.C. contact is open.
This setting can be used to manually control a device connected to the PT Aux Relay, or can
be used to test the PT Aux Relay’s operation. This setting also allows the PT Aux Relay to stay
energized until the
07E PT Relay VDC/Disengage VDC
setting is reached. Normally, under the
VDC
setting, the PT Aux Relay is disengaged until the
Engage VDC
setting is reached.
However, if
ENGAGE
is selected
fi
rst, and then
VDC
—if the battery voltage is between the
engage and disengaged volt settings after
VDC
is selected—the relay will stay engaged until
the
Disengage VDC
setting (and any delay time) is reached.
Info:
When the
DISENGAGE
and
ENGAGE
options are selected, the PT Aux Relay
activates without any time delay.
• V
DC
–
Automatically activates the PT Aux Relay based on adjustable DC voltage settings from
the
SETUP: 07E PT Relay VDC
menu. The relay uses the
Engage VDC
and
Disengage VDC
settings to activate based on a low or high DC voltage, and allows the relay to be configured to
activate either as an “active high” or “active low” type relay. This relay also uses the
Engage
Delay
and
Disengage Delay
settings to automatically control the PT Aux Relay’s engage and
disengage delay times (refer also to the
SETUP: 07E PT Relay VDC
menu on page 128 for
more information on these settings).
• FAULT
–
This setting causes the PT Aux Relay to stay disengaged during normal operation, but
engages when a PT controller fault is detected (see Section 12.2.4.3
for a list of PT controller
faults).
Note
:
The PT Aux Relay automatically disengages when the PT fault is cleared.
• SOC
– Automatically activates the PT Aux Relay based on adjustable SOC% settings from the
SETUP:07F PT Relay SOC
menu. The relay uses the
Engage SOC
and
Disengage SOC
settings
to activate based on a low or high SOC value, and allows the relay to be configured to activate
either as an “active high’ or “active low” type relay. See page 129 for more information.
CTRL:
05C PT Alarm Ctrl
The alarm inside each PT controller can be programmed to turn on and off based on the battery
voltage, or turn on if a PT controller fault has occurred.
Note:
If more than one PT controller is connected in your system, you will need to adjust this
setting for each controller. See Figure 12-4 for instructions on navigating this menu.
Default setting:
OFF
Range:
OFF, VDC, FAULT, ON
Info:
When the
ON
,
OFF
, and
FAULT
settings are selected, the alarm turns on/off
without any time delay. The VDC setting has adjustable on and off delay settings.
• OFF
– Manually forces the alarm to stay off.
• ON
– Manually forces the alarm to stay on. This setting can also be used to test the alarm’s
sound and operation.
• VDC
– Automatically sounds the alarm based on adjustable DC voltage settings from the
SETUP: 07G PT Alarm
menu. The alarm uses the
Alarm ON Volts
and
Alarm OFF Volts
settings
to activate based on low or high battery voltage, and allows the alarm to be configured to
activate either as an “active high” or “active low” type alarm. This alarm also uses the
Alarm
ON Delay
and
Alarm OFF Delay
settings to control the PT alarm’s delay times (refer to the
SETUP: 07E PT Relay
VDC
menu on page 128 for more information).
• FAULT
– This setting causes the alarm to stay off during normal operation, but sounds when
a PT controller fault is detected (see Section 12.2.4.3 for a list of PT controller faults).
Note
:
The Aux Relay automatically disengages when the PT fault is cleared.
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