Long Name:

Applies to:

Description:

The clamp_offset parameter controls the distance that the trailing edge clamps overlap the plate by.

To increase the overlap that the clamps have on the plate, make this number smaller. To decrease the overlap, make this number bigger.

Type:

Default:

• 8080

Range:

• 10000 to 20000 [tach ticks]

Notes:

The coff value specifies the sum of the leading edge (LE) position (specified by the le_pos parameter) + the distance between center-line of the LE and trailing edge (TE) actuators in encoder ticks. This value is converted to mm and added to the plate main-scan distance to determine the location for placing or retrieving the TE clamps.

This specifies the amount of offset to add to the plate length in order to get the position where to put the trailing edge clamps. In other words, if you move the drum to this position then the surface of the registration pins will line up under the trailing edge clamps, minus the overlap the clamps should have on the plate.

To get the drum position for where to put the trailing edge clamps, the firmware will convert the plate length to "tach ticks" (36,000 ticks per drum revolution) and add it to this offset parameter.

So this parameter really does two things: It tells the firmware the starting point for positioning the drum for clamping a plate, and it also sets the distance that the magnetic trailing edge clamps overlap the plate.

Note on Trendsetter_400/800 only, that adjusting this parameter effects the calibration of the plate measuring sensor on the load ramp. This is because coff affects the trailing edge position (te_pos). Te_pos is used in the loading code to determine the length of the plate. If you change coff, make sure that you don't get plate too big or plate too small errors and that you can correctly detect plates that are the wrong size. If not, adjust soff.

For old Creo drum encoder, use 14250 as default.

Partition:

See Also: