18
2 HIGH-SPEED COUNTER MODULE FB
2.3 M+FX5-2HC_PulseDensityMeasure (Pulse Density Measurement)
2.3 M+FX5-2HC_PulseDensityMeasure (Pulse Density
Measurement)
Overview
This FB starts the pulse density measurement function and reads the calculated pulse density value.
Labels
Input label
Output label
No. Label Label name Data type Import Range Description
(1) i_bEN Execution
command
Bit Always On or off On: The FB is activated.
Off: The FB is not activated.
(2) i_stModule Module label Structure At FB start Specify the module label of the MELSEC iQ-F
high-speed counter module.
(3) i_uCH Target channel Word [Unsigned]/Bit
String [16-bit]
At FB start 1 to 2 Specify the channel number.
No. Label Label name Data type Default
value
Description
(4) o_bENO Execution status Bit Off On: The execution command is on.
Off: The execution command is off.
(5) o_bOK Normal completion Bit Off When this label is on, it indicates that the FB has
been completed normally.
(6) o_bErr Error completion Bit Off When this label is on, it indicates that an error
has occurred in the FB.
(7) o_uErrId Error code Word [Unsigned]/Bit String
[16-bit]
0 Stores the error code that occurred in the FB.
(8) o_bMeasureStart Pulse density under-
measurement flag
Bit Off When this label is on, it indicates that the pulse
density is being measured.
(9) o_bUpdate Pulse density update flag Bit Off When this label is on, it indicates that the pulse
density has been updated.
(10) o_udPulseDensity Pulse density Double word [unsigned]/
Bit string [32-bit]
0 Stores the pulse density.
o_bErr:B
o_uErrId:UW
o_bOK:B
o_bENO:B
DUT:i_stModule
B:i_bEN
(1) (4)
(5)
(6)
(7)
(2)
M+FX5-2HC_PulseDensityMeasure
UW:i_uCH
(3)
o_bMeasureStart:B
(8)
o_udPulseDensity:UD
o_bUpdate:B
(9)
(10)
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