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2. Picked Up (PCKUP): the output picks up when alarm occurs.
3. Supervised (SUPVS): the output drops out when alarm occurs.
4. No action (NOACT): the output logic is not processed at all.
The TTC-1000 output control default is UNCHG for each output.
The user should decide how they wish each output to operate whenever there is
either a DEVICE or TPROBE alarm. For example if OUT1 and OUT2 control two
separate banks of fans, it might be desirable to have OUT1 and OUT2 pickup as
soon as a DEVICE or TPROBE alarm occur. This insures that the fans are
running even though there might be a device or temperature probe failure.
NOTE: It is strongly recommended to set output control to supervised
(SUPVS) for all outputs controlling cooling fans in fail-safe mode.
However, if OUT3 is used for a trip signal, it may be desirable to use the DEVICE
or TPROBE alarm to supervise OUT3. This will insure that a trip signal is blocked
whenever a DEVICE or TPROBE alarms occur.
Also, if OUT4 is used for a high temperature alarm, it may be desirable for OUT4
to remain unchanged if a DEVICE or TPROBE alarm occurs. This will insure that
a high temperature alarm continues to be reported.
Programming from the front panel, enter the Configuration menu and press the
or
arrow button until the setting 003 is displayed:
Press the
YES
button. The first character will flash. Use the
or
arrow buttons
to scroll between PCKUP, SUPVS or UNCHG.
Press
YES
when you have made the correct selection.
For programming from a PC just type the setting for Output Control with Alarm on
the “Enter:” line as follows:
Enter:3/2
This will set OUT1 supervised with a Device or Temperature Probe Alarm. Type
1 to pickup OUT1 with a Device or Temperature Probe Alarm, or 0 to leave the
output unchanged with a Device or Temperature Probe Alarm.
PRGM SETTING 003
OUT1UNCHGw/ALRM
PRGM SETTING 003
OUT1SUPVSw/ALRM
Содержание TTC-1000
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