Mitsubishi Electric MELSEC iQ-R Series User Manual page 50

Setting item
[Pr.329]
Resolution of
synchronous encoder
via CPU
*1 The range from axis 1 to 2 is valid in the 2-axis module, from axis 1 to 4 is valid in the 4-axis module, from axis 1 to 8 is valid in the 8-axis
module, from axis 1 to 16 is valid in the 16-axis module, and from axis 1 to 32 is valid in the 32-axis module.
*2 Synchronous encoder axis position units (Page 36 Synchronous encoder axis position units)
*3 Set the value as follows in a program.
0 to 32767: Set as a decimal
32768 to 65535: Convert into a hexadecimal and set
[Pr.320] Synchronous encoder axis type
Set the synchronous encoder type to be generated of the input value for the synchronous encoder axis.
Setting value
0: Invalid
1: Incremental synchronous encoder [RD77MS]
101 to 132: Synchronous encoder via servo
amplifier
(Connectable servo amplifier: Axis 1 to axis 32
201: Synchronous encoder via CPU
301: Synchronous encoder via link device
[RD77GF]
*1 The range from axis 1 to 2 is valid in the 2-axis module, from axis 1 to 4 is valid in the 4-axis module, from axis 1 to 8 is valid in the 8-axis
module, from axis 1 to 16 is valid in the 16-axis module, and from axis 1 to 32 is valid in the 32-axis module.
[Pr.321] Synchronous encoder axis unit setting
Set the position and speed unit of the synchronous encoder axis. Refer to the following for details.
Page 36 Units for the synchronous encoder axis
[Pr.322] Synchronous encoder axis unit conversion: Numerator
The input movement amount of synchronous encoder is configured in encoder pulse units.
The units can be arbitrarily converted through unit conversation with setting "[Pr.322] Synchronous encoder axis unit
conversion: Numerator" and "[Pr.323] Synchronous encoder axis unit conversion: Denominator".
Set "[Pr.322] Synchronous encoder axis unit conversion: Numerator" and "[Pr.323] Synchronous encoder axis unit
conversion: Denominator" according to the controlled machine.
Synchronous encoder axis
movement amount (Movement
amount after unit conversion)
The movement amount corresponding to "[Pr.323] Synchronous encoder axis unit conversion: Denominator" is set in "[Pr.322]
Synchronous encoder axis unit conversion: Numerator" in synchronous encoder axis position units (Page 36
Synchronous encoder axis position units).
The input movement amount can be reversed by the setting negative values. Set "[Pr.323] Synchronous encoder axis unit
conversion: Denominator" based on encoder pulse units from the synchronous encoder. Set a value within the range from 1 to
2147483647.
2 INPUT AXIS MODULE
48
2.2 Synchronous Encoder Axis
Setting details
• Set the resolution of the synchronous
encoder when the synchronous
encoder axis type is set to
synchronous encoder via CPU.
• If 0 or less is set, the input value of
synchronous encoder via CPU is
processed as 32-bit counter.
Fetch cycle: At power supply ON
Details
Synchronous encoder axis is invalid.
Generate the input value based on the incremental synchronous encoder input.
Generate the input value based on the synchronous encoder input via servo amplifier connected to the
specified servo amplifier (axis 1 to axis 32).
*1
)
Generate the input value with the value set in the buffer memory by the CPU module as the encoder value.
Use an arbitrary value of link device as synchronous encoder input.
Synchronous encoder input
=
movement amount
(Encoder pulse units)
Setting value
■Set in decimal.
-2147483648 to 2147483647 [pulse]
[Pr.322] Synchronous encoder axis unit conversion: Numerator
×
[Pr.323] Synchronous encoder axis unit conversion: Denominator
Default Buffer memory address
value
Axis 1 to Axis 17 to
axis 16 axis 32
0 34734+20j 1034734+20j
34735+20j 1034735+20j