AEG 381 D Specifications download pdf (Page 43)

C2.3Description of the handling software

Warning!

Check the functioning of the handling software to avoid PCS and/or

programmable controller malfunctions.

The existing handling software is required only for synchronous operation. It can

however, also be used unchanged for asynchronous operation (caution, a loss of

the programmable controller processing is not noticed in the PCS!). The data word

area is envisaged for flag word 400..655. If you want to displace the flag word

area, then you must rewrite the handling software completely. The presettings and

accesses were written for a PCS 090 / 095. For the PCS 900/ 9000, the presettings

and the accesses must be adjusted to the data word area.

Network 1:

When starting the programmable controller, the 41750 table area > 40400 data

area is loaded (with a length of 25 words). You can define the presettings for the

PCS in this table area. This depends on the PCS type!

Network 2:

The communication time-out timer is located here. With a positive fault edge at

output 1 it initiates the transfer of table area 41800 → data area 40400. That means

particular values for the communication loss are to be entered in the table area

41800 (length 25 words). Please also take note of the PCS-type dependent values

here.

Furthermore, here is examined whether an access to the data area is allowed.

This is true when data word 40402 differs from 40403. Then, the flag 101 (ACCESS)

is set.

Network 3+4:

An example program is executed here if access is allowed (ACCESS = 1): the F1

key sets menu 1, the F2 key deletes menus, the F3 key sets all messages in DW 15,

and the F4 key deletes these again. Key word 4 is copied to LED word 10.

As last(!) access action, the sync. word 40403 is inverted and copied to 40402.

PLC handling software

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AEG 381 D Specifications Page 43