Fuji Electric FRENIC-Ace series, User Manual

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5.3 Description of Function Codes
5-225
FU
NCT
IO
N
C
O
DE
S
Chap 5
Switching to the serial pulse receiving mode with “SPRM” involves switching of the input mode, so the idle time
insertion is required for a stable switching as listed Table 5.3-31.
Table 5.3-31 Idle Time Required for Stable Mode Switching by “SPRM”
Function switching
When “
SPRM
” is
turned from OFF to
ON:
When “ SPRM ” is turned from
ON to OFF: Remarks
Positioning control
to/from serial pulse
receiving
Insert a minimum of
100 ms idle time
before the start of
the serial pulse
receiving input after
“ SPRM ” is turned
ON.
Do not input the serial pulse
within 100 ms before or after
“ SPRM ” is turned OFF.
—
Pulse train input
to/from serial pulse
receiving
Stop the serial pulse receiving
input before a minimum of 100
ms before “ SPRM ” is turned
OFF.
Start the pulse train input
within 100 ms after “
SPRM
” is
turned OFF.
During the “serial pulse
receiving mode (“ SPRM ” being
ON) + 100 ms,” the inverter
holds the pulse train input count
applied when “ SPRM ” is turned
ON.
ON
Serial pulse
receiving mode
SPRM
Serial pulse train
(+ polarity)
t
Stop point
(J81, J82
）
Turning SPRM ON
zero-clears the pulse
count.
t
t
100 ms min. Pulse train input Pulse train input
100 ms min.
For the pulse train
input control, restart
pulse train input
within 100 ms.
100 ms max.
Pulse train input holding period
Holds the pulse count applied when SPRM is turned ON.
Figure 5.3-20 Switching the Input Mode between the Pulse Train Input and Serial Pulse Receiving Mode