Matrix Programming; Example; Special Functions Of The Push Buttons; Functions Of The Matrix - GE DewPro MMY30 User Manual

Matrix Programming

Example

Special Functions of the
Push Buttons

Functions of the Matrix

The Optional Display/User Interface (Option G)
Movement through the matrix is accomplished by using the "V" and
"H" buttons to move to another row or column, as shown in the
example below. At any location where a value may be changed by the
user, the desired value is programmed using the "+" and "-" buttons.
The digit to be changed flashes.
To set the dew point value to -10°C for 20 mA (V1 H1 on matrix):
1. Press the V key until the display shows V1.
2. Press the H key until the display shows H1.
3. Use the + or - key to change the numeric value to -10.
4. Proceed to any part of the matrix.
1. Reset to "Normal" Display: Pressing the "V" and "H" buttons
simultaneously returns the user to VH 00 (normal display).
2. Display Only: Note that five (5) matrix locations are for display
only and may not be changed by the user (refer to Table 4-1 on the
previous page or Appendix A). The "display only" fields are as
follows:
•
VH 00 = normal display (in dewpoint °C)
•
VH 90 = during a system alarm, displays the error code for the
fault encountered
•
VH 91 = during normal operation, the previous error code is
displayed for reference
•
VH 92 = displays the factory issued identification number
•
VH 93 = displays the factory issued reference number
designating the device type and software version
3. Default Values: A default value is assigned to each programmable
matrix field. The values are present after a reset to factory
programmed data has been executed (see VH 95).
4. Changing Values: When unlocked (VH89=50), values in certain
matrix locations can be changed using the + and - buttons. The
changeable digit flashes.
Note: Refer to Table 4-1 on page 4-2 or Appendix A.
This section describes the functions available to the user through the
matrix, grouped by common function areas. The function is accessed
by positioning to the specified location within the matrix.
November 2005
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