Omron H8PS User Manual

4.2 Advance Angle Compensation (ADV) Function
4-7
HOW TO USE THE
ADVANCED FUNCTIONS
● Precautions on the
deceleration stage
As described above, the ADV function executes one "measuring the
speed/calculating the advance angle/making the output effective" cycle
every 200 ms. This enables to advance the output ON/OFF timing
correctly while the speed is accelerating as well as during high-speed
operation. However, the function must be used carefully if the
operation has a deceleration stage since the problem described below
may occur during such an operation stage.
• Conditions
- There is a steep deceleration during one turn of the machine
(Encoder).
- The set duration of each output is short.
• Output operation
Although the program includes a single ON/OFF operation as shown
below, output may turn ON/OFF more than one time as shown
below.
Low speed
High speed
Speed
Cam program
Output
(after advance angle compensation)
Amount of angle compensation
1 turn
Small Small Medium Medium Large Large Large Large Large/
Small
Small
The output is turned ON at the
advanced timing by angle
compensation during high-speed
operation. The calculation is executed
again during a low-speed operation
after the steep deceleration, causing
the output to turn ON again.

Omron H8PS Specifications

General

Brand	Omron
Model	H8PS
Category	Valve Positioners
Language	English