Nextron MASTERTRACE, Operating Manual

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MASTER TRACE
2.3
Chapter 2 Getting Started
HEATER 1-1 NAME:
NONAME
"
Note: The heater default name when Master Trace ™ is
shipped from the factory is “NONAME”.
Each letter can be programmed separately with upper and
lower case characters, numbers, space or the special sym-
bols !@#$%^&*()?.,”’:;}]{[. Uppercase characters are gen-
erally more legible.
For this example a name has arbitrarily been chosen as:
Name: HEAVY OIL LINE
The cursor appears under the first letter N. Each time the
[STORE] key is pressed, the current letter displayed is saved
and the cursor advances to the next letter. Hold down the
[VALUE
× ] or [VALUE Ø ] until the desired letter appears
above the cursor, then press the [STORE] key. The cursor
automatically advances to the next letter while saving the
previous letter.
H: Press the [VALUE × ] or [VALUE Ø ] key until H
appears. Press the [STORE] key. The letter H now
appears in the first character position and the cursor is
under the second character.
E: Press the [VALUE Ø ] key until E appears. Press the
[STORE] key. The first 2 letters are now HE and the
cursor is under character position 3.
HEATER 1-1 NAME:
HENAME
"
Continue entering each letter this way until the complete
new name is displayed . With the cursor under the last char-
acter position at the right edge of the message screen (blank
character) press the STORE key until the cursor is at the
end of the line. A brief message will flash:
NAME
STORED
followed by the new name that has been stored:
HEATER 1-1 NAME:
HEAVY OIL LINE
The new heater name is now saved in non-volatile memory
and will remain until you change it.
If a character is accidentally entered incorrectly either press
[RESET] to start over or go to the end of the line to save the
displayed message with the error. Now press [MESSAGE
×
] or [MESSAGE
Ø
] to exit and return to the 1
st
character
position. Then press [STORE] until the cursor is under the
incorrect character. Proceed as before until new letters are
entered Press the [STORE] key to skip over the correct
letters until on the last character position. Now press
[STORE] to save the corrected message.
Setpoint information for system configuration and data for
each heater can now be entered. Message summary and
organization are located in
Chapter 5
. Detail description of
setpoint messages is located in
Appendix A
. A few sample
setpoints will be entered.
2.3.4 SETPOINT TEMPERATURE: The desired maintained
temperature for the fluid in the pipe being traced is set by
this heater on/off temperature setpoint. To display this mes-
sage press the [SETPOINT] key once:
HEATER SETPOINT
50 °C
"
Press the [VALUE × ] key once and notice that the dis-
played temperature increments by 1. Now hold down the
[VALUE
× ] key and notice that after a short delay the dis-
played value increments rapidly. The [VALUE Ø ] key works
the same way. If you pass the required value, use [VALUE
Ø ] to decrease the number displayed.
Hold down the [VALUE × ] key until 50 °C is displayed.
Press the [STORE] key to save the new value. When a new
value is successfully stored a brief acknowledgement mes-
sage will flash on the screen:
SETPOINT
STORED
In this example, the temperature at which the control will
turn on and supply full system voltage to the heater is now
set to 50 °C.
At this point you can continue programming all remaining
setpoints for this heater or you may prefer to program the
setpoint temperature for all heaters and the next setpoint for
all controls. To program the heater setpoint temperature of
the next heater, 1-2, for example, press the [SETPOINT] key
once, wait until the following message is displayed:
SELECT HTR: 1-2
NONAME