MC³ 24.96.EX O&M Manual Page 61 08/14/01 4:34 PM/LDD
RX -
This is the status of the message receiver function.
Value Description
0 Waiting for start char
1 Waiting for controller address
2 Addressed, Buffering characters
3 Message received, not processed
Communication Parameters
For a thorough explanation of communication parameters see Communications on page 44.
Tacho Diagnostics
The tacho diagnostics screen allows you to troubleshoot your tachos. See also Tachometer
Parameters on page 29.
Two tachos One tacho
The screen looks different depending on the number of tachos used. The speed sensing
operational mode and tacho modes are show, along with current values.
EMT PULS
The number of buffered pulses for the EMT. The controller can buffer pulses for the EMT if a slow
counter is used. This is the number of EMT pulses not yet delivered to the EMT. See External
Totalizer Parameters on page 44.
PT
Pulse counter. Increments with incoming pulses.
TST
Pulse counter for the ongoing discrepancy test run. These parameters are used to detect belt
slippage or malfunctioning tachos.
Blt Trvl
Belt travel, in m or ft, per PCAD sample. See also Sample Rate on page 43.
Curr ratio
The ratio of pulses between tacho 1 and tacho 2. This value is updated continuously during the
ongoing discrepancy test run.
Diff %
The difference in ratio between the ongoing discrepancy test run and the set value from the Speed
Calibration. See page 49. This value is compared with the max. limit in Tachometer Parameters
(page 29) to determine if a belt slippage exists.
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