Mitsubishi Motors Oven FR-A5AP User Manual
Input example (Pr. 386 = 400Hz)
Input Pulse Frequency
Division Ratio (Pr. 384)
Maximum Number of Input
Pulses
*
1
Minimum Detectable
Frequency
*
2
0 (factory setting)
Pulse input invalid
20
8kpps
1.5Hz
50
20kpps
1.0Hz
100
40kpps
0.5Hz
120
48kpps
0.5Hz
200
80kpps
0.5Hz
250
100kpps
0.5Hz
How to calculate the input pulse frequency division ratio
Use the following formula to calculate the input pulse frequency division ratio in Pr. 384:
*
1. Maximum number of input pulses (pps) = Pr. 384x400
*
2. Detectable frequency >
Pr. 386
2
16.6ms
Pr. 384
400
The detectable frequency changes with the maximum number of input pulses.
5.6. Specifications
Circuit system
Open collector system
Input current
10mA
Max. permissible number of pulses
100kpps
Input pulse specifications
0 to 250 (variable frequency)
Response delay
16.6ms
Preset frequency resolution
0.012Hz/50Hz