Calibration Types

The table below lists the seven Calibration Types. These calibration types determine how the mechanical origin is determined during MCal.

Cal Type Number of sensors Sensor Status when calibration is complete Standard Number of Steps Accuracy*1 Calibration Time*2
0 1 OFF 2 C Shorter
1 1 ON 2 C Shorter
2 1 OFF 4 B Longer
3 1 ON 4 B Longer
4 2 OFF 4 or 5 A Longest
5 2 ON 4 or 5 A Longest
10 2 ON 2 C Shortest

*1: A is highest accuracy followed by B and then C.

*2: Complete the calibration of each joint within 120 seconds.

Calibration Sequence per Calibration Type

The following conventions and symbols are used in the Calibration Sequence diagram in the following pages:

Symbol Description
● or ○ The starting position of the search for the mechanical origin.
Pause
The position for the calibration to complete. (A target origin)
The accelerating or decelerating motion in the direction of arrow while detecting signals. (Dotted Line indicates a motion to return to the origin from outside the Permissible Working Range.)
The motion without acceleration or deceleration in the direction of arrow while detecting signals.
The motion in the slow speed pulse by pulse in the direction of arrow while detecting signals.

The arrow indicates the two types of operation speed as follows:

Symbol Description
Run at the speed as specified in the MCAL tab of the PG Robot Configuration dialog.
Run at the speed as specified in the Origin Edge Detect Speed in the Calibration tab of the PG Robot Configuration dialog.

The following symbols marked next to ↓ (Pause) in the illustration indicates the duration of time to pause as follows:

LD
Pause for delay time as specified in Limit Delay on Calibration tab of the PG Robot Configuration dialog.
SD
Pause for delay time as specified in Scan Delay on Calibration tab of the PG Robot Configuration dialog.
JD
Pause for delay time as specified in Jog Delay on Calibration tab of the PG Robot Configuration dialog.

Whichever Calibration Type is specified, wiring must be done in such a way to prevent chattering. Also, the following signal conditions must be satisfied:

Cal Type 0
ORG pulse width: 1 msec or over
Cal Type 1
ORG pulse width: 1 msec or over
Cal Type 2
ORG pulse width: 1 msec or over
Cal Type 3
ORG pulse width: 1 msec or over
Cal Type 4
NORG pulse width: 1 msec or over
The interval between the NORG signal edge and ORG signal edge: 5 msec or over
+ZORG/-ZORG pulse width: 10 μsec or over (when a servo motor is used.)
Cal Type 5
NORG pulse width: 1 msec or over
The interval between the NORG signal edge and ORG signal edge: 5 msec or over
+ZORG/-ZORG pulse width: 10 μsec or over (when a servo motor is used.)
Cal Type 10
NORG pulse width: 1 msec or over
The interval between the NORG signal edge and ORG must be sufficient to enable the robot to stop by deceleration.