Panasonic MINAS A6 Series, Technical Reference

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Basic Functions
4-20
4.5.1 Selection of external scale type
This section describes the selection of external scale type to be used and sets the direction.

Relevant parameters
Class No. Attribute Title Range Unit Function
3 23 R External scale
selection 0 to 6 - Selects the type of external scale..
0: A, B phase output type
1: Serial communication type (Incremental specification)
2: Serial communication type (Absolute specification)
3 to 6:
For manufacturer’s use
When the A/B phase output type is connected, if the value is set
to 1, 2 or 6, Err50.0 "External scale connection error protection"
occurs.
Also, when the serial communication type is connected, if the
value is set to 0, Err55.0-55.2 "A-phase or B-phase or Z-phase
connection error protection" occurs.
Err.93.3 "external scale connection error protection" occurs if 1
is set when a serial communication type scale of absolute
specification is connected, if 2 or 6 is set when a serial
communication type scale of incremental specification is
connected, or if 3, 4 or 5 is set as the setting value regardless of
the type of scale connected.
3 26 B Reversal of
direction of external
scale 0 to 3 - Sets the direction inversion of the external scale feedback
counter.
0: Non-inversion
1: Inversion
2:
For manufacturer’s use (Note 1)
3:
For manufacturer’s use (Note 1)
(Note 1) Do not set up the setting range 2 to 3, as it can only be used by the manufacturer.
Pr3.23 External scale type Supporting scale manufacturers Supporting velocity (Note 3)
0 A/B phase output type
(Note 1) (Note 2) (Note 4)
External scale of A/B phase output type to 4M pulse/s (after 4 multiplications)
1 Serial communications type
(increment specification)
(Note 2) (Note 4)
Magnescale Co., Ltd.
Nidec Sankyo Corporation
to 4G pulse/s
2 Serial communications type
(absolute specification)
(Note 2) (Note 4)
Mitutoyo Corporation
Magnescale Co., Ltd.
Heidenhain K.K.
Renishaw K.K.
Fagor Automation S.Coop
to 4G pulse/s
(Note 1) The counting direction of driver internal processing on the A/B phase output type external scale is shown in the table below.
Pr3.26 Count-down direction Count-up direction
0: Non-inversion
EXB is retarded 90° than EXA
t1 > 0.25 µs
t2 > 1.0 µs EXB is advanced 90° than EXA
t1 > 0.25 µs
t2 > 1.0 µs
1: Inversion
EXB is advanced 90° than EXA
t1 > 0.25 µs
t2 > 1.0 µs EXB is retarded 90° than EXA
t1 > 0.25 µs
t2 > 1.0 µs