H8PS-16B datasheet(27/32 Pages) OMRON

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H8PS

Advance Angle Compensation (ADV)

Function

The advance angle compensation function automatically advances

the ON/OFF angle of cam outputs in proportion to machine

(encoder) speed. As the speed of the machine increases, the system

can be affected by the delay in outputs. If the ADV function is used,

the output delay caused by higher speeds is automatically

compensated.

As shown in the following diagram, ADV function is used to linearly

compensate outputs according to the speed based on the ADV value

setting for a specific speed.

Example: ADV Value Set to 2

° at 100 r/min

ADV value can be set independently for cams 1 to 7 (7 total). For the

ADV function, the speed and the amount of angle compensation are

set. If “- - -” is displayed for any setting, the ADV function is disabled.

The setting ranges are given in the following table.

Note: Default settings are shown in reverse type.

The maximum response speed will decrease as shown in the

following table when ADV values are set for 4 cams or more.

Note: Even if the ADV value is set to 0°, the cam must be included in

the number of cams with ADV settings.

1. Set the mode switch to PRGM or TEST.

2. Set cam number 4 with the CAM Keys

. (See note.)

3. Press the

Key to move to the ADV function setting display

and confirm that “ADV” is displayed.

Setting Display

7. Press the

Key after finishing setting the ADV function. The

previous display in Programming or Test Mode will be resumed.

Note: If the bank function is being used, set the bank number before

setting the cam number.

Encoder

Speed

ADV value

Resolution Display angle

256

“

”, 1 to 1,600

“

”, 0 to 255

256

360

“

”, 1 to 1,600

“

”, 0 to 359

360

---

“

”, 1 to 1,600

“

”, 0 to 359

720

---

“

”, 1 to 800

“

”, 0 to 359.5

Number of cams

with ADV settings

Encoder resolution

Max. response

speed

0 to 3

256/360

1,600r/min

720

800r/min

4 to 7

256/360

1,200r/min

720

600r/min

Amount of angle compensation

100

Speed (r/min)

Note: The maximum amount of angle compensation is 360

°.

ADV value

100

° advance angle

compensation

Cam program setting

180

172

At high speed

(400r/min)

- - -

Example: Setting the ADV Value to 2

° at 100 r/min for Cam 4

4. Set the speed to 100 with the

ANGLE Keys

and then

press the

Key.

5. Set the ADV value to 2 with the

ANGLE Keys

6. Press the

Key to write

the settings to memory.

ADV

CAM

STEP

TST

WRITE

TST

CAM

STEP

TST

CAM

STEP

WRITE

ADV

H8PS-16B Datasheet(PDF) 27 Page - Omron Electronics LLC

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