YASKAWA VIPA SPEED7 - FC 311 - FM_CALC_PERIOD - Calculate Period Duration

This parameter contains CONTROL, which is generated by ENABLE_FM. The content for
channel 0 respectively channel 1 is to be consistent connected with address +8 respec-
tively +10 of the output area of the frequency measurement module, via the according
bus system.
The following code can be reported:
Code Description
0x0000 No error
0x80D2 Channel 0:
Input value measurement period £ 0
0x80D3 Channel 1:
Input value measurement period £ 0
0x80D4 Channel 0:
Input value measurement period > 8 388 607µs
0x80D5 Channel 1:
Input value measurement period > 8 388 607µs
12.1.8 FC 311 - FM_CALC_PERIOD - Calculate period duration
With the FC 311 FM_CALC_PERIOD, you can calculate the period duration of the input
signals of both channels. Since this FC does not internally call a block for consistent read
access of data, you have to ensure consistent data transfer in your system.
Parameters
Parameter Declaration Data type Memory block Description
FM_PERIOD_CH0 INPUT DWORD I, Q, M, D, L Actual value of frequency meas-
urement module input address:
+0
FM_PERIOD_CH1 INPUT DWORD I, Q, M, D, L Actual value of frequency meas-
urement module input address:
+8
FM_RISING_EDGES_CH0 INPUT DWORD I, Q, M, D, L Actual value of frequency meas-
urement module input address:
+4
FM_RISING_EDGES_CH1 INPUT DWORD I, Q, M, D, L Actual value of frequency meas-
urement module input address:
+12
FM_STATUS_CH0 INPUT WORD I, Q, M, D, L Actual value of frequency meas-
urement module input address:
+16
FM_CONTROL_CHx
ERROR (Return value)
Description
VIPA SPEED7
Device Specific
Frequency Measurement > FC 311 - FM_CALC_PERIOD - Calculate period duration
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