SPACE 2000 EVO/N (T and M versions) OPERATION MANUAL
31
CHANGE OF ANGULAR READING MODE
On request, the instrument may be configured with one or more Axis operating in the angular reading mode.
The Axes concerned are linked to rotating encoders and a letter A is shown on the first digit of the display.
The resolution depends on the number of pulses of the encoder used (PPR).
The instrument, which is aware of the parameters, performs the exact calculation of the following formula:
360°
and chooses, among the available resolutions, the one which is closest
PPR x 4
to the calculated value
AVAILABLE RESOLUTIONS:
1° - 0.5° - 0.2° - 0.1° - 0.05° - 0.02° - 0.01° - 0.005° - 0.002° - 0.001°
The highest possible resolution is 3.6 seconds of an arc (0.001°), which can be obtained using an encoder
having a PPR of 90.000.
Angular reading mode can be selected by the operator:
A) Angle from 0° to 360°
B) Angle from 0° to 180° in the POSITIVE FIELD and from -180° to 0° in the NEGATIVE FIELD
To switch from one type of reading to another, the operator must proceed as follows:
Key
38
A n G.
X
0 . 3 6 0
Y
Press
+
-
To select
- 1 8 0 . 1 8 0
Y
Press
To confirm the selection
0. 0 0
X
NOTES: 1.
The selection made will be stored permanently.
2.
Not all the functions proper to the Axes can be performed in the linear reading
mode, that means:
MMS/INCHES - CONSTANT PITCH - ALGEBRAIC SUM -
LINEAR CORRECTION - SCALE FACTOR -
RADIUS/DIAMETER CONVERSION - LOGIC-STATE RELAY OUTPUT
3.
All the other functions described in this manual are available.
4.
The instrument will never enter into a state of “overflow” error, because the
counting is reset after each full rotation (or half-rotation).