Etel DSC2P - Page 359

ETEL Doc. - Operation & Software Manual # DSC2P 903 / Ver. F / 3/6/05 Chapter E: Appendixes
Operation & Software Manual
Direct Drives & Systems 359
20.1.1.2 Drive increments, linear motors
Abbreviation used in the table below: PCod = Encoder period [m].
k = Fast time interrupt [s] (refer to §4.2
for more information).
Remark: 1024 * 2
K77
and 64 * 2
K69
can be replaced by the value given by monitoring M241.
Unit Quantity Conversion formulae
Concerned
quantities
[dpi]
Distance
drive
position
increment
[m] → [dpi]
[dpi] → [m]
• All internal
distances
• K30, K166,
K167, K168,
K189
• M0 to M5, M8
[dsi]
Speed
drive
speed
increment
[m/s] → [dsi]
[dsi] → [m/s]
• All internal
speeds of the
controller
•K31
• M10, M11
[dai]
Acceleration
drive
acceleration
increment
[m/s
2
] → [dai]
[dai] → [m/s
2
]
• All internal
acc. of
controller
•M14
Distance [dpi] Distance [m]
1024 2
K77
⋅
PCod
---------------------------
⋅=
Distance [dpi] Distance [m]
64 2
K69
⋅
PCod
---------------------
⋅=
(for analog encoder)
(for TTL encoder)
Distance [m] Distance [dpi]
PCod
1024 2
K77
⋅
---------------------------
⋅=
Distance [m] Distance [dpi]
PCod
64 2
K69
⋅
---------------------
⋅=
(for analog encoder)
(for TTL encoder)
Speed [dsi] Speed [m/s]
256 1024 2
K77
k⋅⋅⋅
PCod
------------------------------------------------
⋅=
Speed [dsi] Speed [m/s]
256 64 2
K69
k⋅⋅ ⋅
PCod
------------------------------------------
⋅=
(for analog encoder)
(for TTL encoder)
Speed [m/s] Speed [dsi]
PCod
256 1024 2
K77
k⋅⋅⋅
------------------------------------------------
⋅=
Speed [m/s] Speed [dsi]
PCod
256 64 2
K69
k⋅⋅ ⋅
------------------------------------------
⋅=
(for analog encoder)
(for TTL encoder)
Acceleration [dai] Acceleration m/s[
2
]
65536 1024 2
K77
k
2
⋅⋅⋅
PCod
---------------------------------------------------------
⋅=
Acceleration [dai] Acceleration m/s[
2
]
65536 64 2
K69
k
2
⋅⋅ ⋅
PCod
---------------------------------------------------
⋅=
(for analog encoder)
(for TTL encoder)
Acceleration m/s
2
[]Acceleration [dai]
PCod
65536 1024 2
K77
k
2
⋅⋅⋅
---------------------------------------------------------
⋅=
Acceleration m/s
2
[]Acceleration [dai]
PCod
65536 64 2
K69
k
2
⋅⋅ ⋅
---------------------------------------------------
⋅=
(for analog encoder)
(for TTL encoder)