LINK Systems System 2500 PLS User Manual

Page 17

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System 2500 Operating & Installation Manual - Revision 07

2-9

If the VIEW STATUS item is selected from the Outputs Menu, the OUTPUT STATUS screen
will be displayed. This screen indicates for each of the first eight outputs whether the output is
on or off. This information can be useful when first setting up the unit on the machine or when
troubleshooting. On the far right of the display is the down arrow symbol, which indicates that
by pressing the DOWN arrow key the status for outputs 9 through 16 will be displayed.
Remember that outputs 9 through 16 can be programmed and the change in their on/off status
observed on this screen at any time, but for any external action to occur there must be a second
relay output board installed for relays 9 through 16.

2.4.3 COUNTED OUTPUTS

By pressing the ENTER key while the cursor is on COUNTED OUTPUTS in the Outputs Menu,
the operator can access a special function for PLS outputs 1 through 8 which allows them to be
tied to a counter. This is a separate counter for this function only and is not related to the Part,
Batch, Quality Check, or Stroke counters of the System 2500 (see Section 2.6). The purpose of
the Counted Outputs function is to allow a PLS output to be programmed in the following way:

1.

The output is held off for a certain number of strokes regardless of its
programmed setpoints.

2.

The output becomes active for one stroke so that its on/off setpoints cause the
output relay to switch.

3.

The cycle of steps 1 and 2 is repeated.

The effect is that the output becomes active for one stroke every five strokes, or every eight
strokes, etc. depending on the count that the operator programs. This is useful for programming
some special action such as a scrap chopper which only becomes active after several machine
strokes have been made.

The first screen displayed for this function is the Counted Outputs Menu. It offers the following
choices:

C

VIEW SETUP - Allows the operator to see which channels are tied to the counter
and the present stroke count.

C

EDIT SETUP - Allows the operator to tie a PLS channel to the counter or remove
a channel from being tied to the counter. Also allows change of the present
counter value and which stroke count will activate the outputs.

To select either of the above functions the operator must move the cursor to the desired function
using the arrow keys, then press the ENTER key.

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