Mitsubishi Electric MELSEC FX3U Programming Manual page 587

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2 : When using a special high speed output adapter for the pulse output destination in an FX
rotation direction signal must be used by the following table output.
When using a built-in transistor output for the pulse output destination in an FX
rotation direction signal must use transistor output.
Special high speed output adapter No.
No. 1 (1st unit)
No. 2 (2nd unit)
3 : "D .b" is available only in FX
available.
4 : This function is supported only in FX
Explanation of function and operation
Command
input
FNC159
DRVA
Caution on writing during RUN
During RUN, avoid writing while DRVA (FNC159) instruction is executed (that is, while pulses are output).
Note that if writing is executed during RUN to a circuit block including FNC159 instruction while pulses are
output, the PLC decelerates and stops pulse output.
Pulse output
D
D
D
D
and FX
3U 3UC
/FX
3U 3UC
S S D D
1 2 1
20 Positioning Control – FNC150 to FNC159
20.8 FNC159 – DRVA / Drive to Absolute
Rotation direction output
=Y000
D
2
1
=Y001
D
1 2
=Y002
D
2
1
=Y003
D
1 2
PLCs. However, index modifiers (V and Z) are not
PLCs.
2
PLC, the
3U
/FX /FX PLC, the
3G 3U 3UC
=Y004
=Y005
=Y006
=Y007
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