16 • XR75CX I&O Manual
026-1210 Rev 4
13 How to Use the
Hot Key
13.1.How to Program a Hot
Key From the
Controller (Upload)
1. Program one controller using the front
keypad.
2. When the controller is ON, insert the Hot Key
into the 5-pin receptacle and push the up
arrow button; the uPL message appears
followed by a flashing End LED.
3. Push the SET button and
End
will stop
flashing to indicate the upload has been
successful.
4. Turn OFF the controller, remove the Hot
Key, then turn it ON again.
13.2.How to Program the
Controller Using a Hot
Key (Download)
1. Turn OFF the controller by pressing the on/
off button
for 5 seconds.
OFF
will
display.
2. Insert a programmed Hot Key into the 5-pin
receptacle and then turn the Controller ON by
pressing the on/off button again for 5
seconds. The normal temperature value will
display to indicate the controller is ON.
3. Automatically, the parameter list of the Hot
Key
is downloaded into the controller
memory; the
doL
message will display
followed by
End
at the end of the data
transfer phase if the controller is programmed
correctly.
4. After 10 seconds the controller will restart
and work with the new parameters.
5. Remove the Hot Key.
NOTE: The Err message is displayed in case of
an error or failure in programming. In this
case, push the UP button again if you want to
restart the upload or remove the Hot Key to
abort the operation.
NOTE: The Err message is displayed in case of
an error or failure in programming. In this
case turn the unit OFF and then ON if you
want to restart the download again or remove
the Hot Key to abort the operation.
