User Interface
4-66 Manual # 42-02-2P24
MPI Diagnostic Menu
These diagnostics allow you to view car motion parameters (speed/distance) as the car moves
through the hoistway. This information in turn will help you make ride adjustments or trouble-
shoot ride issues.
The initial screen will show either METRIC or ENGLISH units.
1. To switch between Metric or English units, press N once. (Pressing N a second time will
back you out of the menu.)
2. With the desired measuring units displayed, press S to begin diagnostics display.
The initial display is for MPI-A (Processor A on the MPI board), address zero. This address dis-
plays the number of floors served — two in this example.
3. To select the parameter to display, use the S button to move between digits (processor A,
B, or C or address positions 0000 - 9999) — the selected digit will flash — and the Plus
(+) or Minus (-) buttons to change the value of the selected digit.
For example, to display to speed recorded by MPI Processor B the last time the car passed the
Down Normal Terminal switch S2, select MPI-B, address 0019.
• To find the address of the data you want to display, check the following tables.
• MPI-A and MPI-B independently collect information from the Elgo positioning sen-
sors. The information they display per address should usually match. However, if you
are displaying position information, you need to factor in that the sensors they moni-
tor in the Elgo sensor head are 160 mm (6.3 inches) or 230 mm (9.05 inches) apart.
• MPI-C collects information from the drive/motor/encoder.
As soon as you select an address, the information stored there is displayed.
Metric or English units may be displayed
1.01 meters per second (Metric)
or
200 feet per minute (English)
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