Specifications

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A-22
A LAUER driver
• CL500
Attention!
The entire system (all processors) must be stopped and restarted after
changing the cross-reference list. Otherwise the cross-reference list will
not be newly transferred.
No outputs (independantly of the processor) may be disabled when
starting the entire system. This would result in a faulty reception of the
cross-reference list.
A2.5 Operation the PLC with EPROM/EEPROM
When using EPROM and EEPROM memory modules in the
programmable controller, the communication area cannot be located within
one data block since these data words are fixed in EPROM/EEPROM
and thus cannot be manipulated anymore (write operations are not
possible).
The only possibility consists in altering the cross-reference data block so
that the entire system area (refer to the PCS operating console manual)
and the used variable area are located in a modifiable memory area (e.g.
flag area, data buffers etc.).
A2.6 Implementation of the handling PB/FB
1. Power-down the programmable controller
2. Define the PCS 830.3/1 address, the baud rate and the number of
repitions using the DIL-switches (6-segment and 8-segment). DIL 4
must be set to OFF (diagnosis function).
3. plug-in the board
4. Set the programmable controller to stop and apply power
5. Re-adjust the cross-reference data block addresses if nece
6. Reset P4 (flag for restart) in the starting OBs (for the CL 300 this is
OB 7 and OB 8)
7. Select and parameterize the -PCSKOMM handling PB (FB) of OB1
(or anywhere else). This is perhaps required by QVL_OUT (P5) when
using several channels.
8. Determine reset pushbutton and „wire „with P2 (reset)
9. Program -INIT and -COFF presetting blocks (perhaps for each
channel separately)
Attention!
These blocks are of course available on the floppy disk (common for all
channels). However, they contain only one „HLT“ command with subse-
quent examples for the corresponding PCS operating consoles.
10. Assign, link, and download all data blocks into the controller
11. Switch the programmable controller to RUN