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Changing a Value
The
YES
key increments the value. The
NO
key decrements the value.
The display will flash as soon as either key is depressed, and continue to
flash until the
ENTER
key is pressed to accept the new value.
The new value will not be used by the controller until the
ENTER
key is
depressed and the display stops flashing.
If the
NEXT
key is pressed while the value is flashing, the new value will not
be accepted. The display will stop flashing and the original value will be
displayed. In this case the
NEXT
key is used to abort data entry. The display
will not sequence unless the
NEXT
key is depressed.
For large values the display can be changed by manipulating the individual
digits. Press the
YES
key and the
NO
key at the same time. The most signifi-
cant digit will start to flash. Press the
YES
key to increment, or the
NO
key to
decrement the digit. Press the
ENTER
key to accept the digit and to move to
the next least significant digit. Repeat until all the digits are entered. Pressing
the
NEXT
key before entering all the digits will abort the procedure and return
the display to the original value.
The controller will not allow you to enter a value above the maximum or below
the minimum values, or any illegal value. If you try to enter an illegal value the
display will revert to its original value when the last digit is entered.
Remote
Operation
Verify that the remote interface cable is connected to the correct inter-
face port on the tool. If the interface cable is plugged into the incorrect
port on the tool, the Steelhead controller can be damaged.
When the controller is in the ON mode and the REMOTE pushbutton is
depressed, the controller will relinquish PID control of temperature to the
standard AMAT 5000 platform interface. The unit can be turned on and off by
the remote interface. When controlled from the remote interface, the tempera-
ture can be controlled by software provided by the AMAT 5000 platform.
In addition to remote control the interface provides digital indication of the add
fluid level, the flow status, and an analog signal of recirculating fluid tempera-
ture and resistivity.
See Appendix A for the details on the AMAT 5000 platform interface control of
the heat exchanger.
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