33
Rev G
S5−
−−
−TR400 Programming
Programming the display operation
Overview
Variables 04, 17, and 18 select the data to be displayed and the frequency at which it
will be displayed.
Variable 04,
rate function
The Rate Function sets the display and input signal types as shown below.
Display Characters:
Rate Display: 0 = Speed,
1 = Time in Process
Signal Type: 0 = Single Channel
1 = 1X Quadrature
2 = 4X Quadrature
00 0 0
Examples of this type of display are RPM (Revolutions Per Minutes) and FPM (Feet
Per Minute).
Rate Displays:
• Speed Speed is the most commonly selected display option. Speed is
calculated by the formula:
Speed =
Variable 03 x Shaft Speed
Variable 01
• Time In Process The Time In Process (TIP) display is the inverse of the
speed display and is calculated by the following formula:
TIP =
V ariable 03 x V ariable 01
Shaft Speed
The accuracy of the above formulas is dependent upon Variable 02 (PPR) since:
Frequency =
RPM (Variable 01) x PPR (Variable 02)
60
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