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Technical Description CP 523

2.4 Memory Submodule

In Print mode, you require a user submodule, which you must configure with the following data in

off-line mode using a programmer:

• Message texts in DB 2 to 255

These DBs are independent of the DBs stored in the CPU. The DBs in the memory submodule

and the DBs in the CPU may have the same numbers.

• Printer interface parameters and configuration data for the message texts in DB 1.

You can use two types of user submodule:

• EPROM submodule

A UV erasing facility is required for erasing the submodule contents.

• EEPROM submodule

Submodule contents can be overwritten using a programmer.

Table 2-3. Overview of Permissible User Submodules

Submodule Type Order No. Capacity

EPROM 8 Kbyte

EEPROM

6ES5 375 - 0LA21 16 Kbytes

6ES5 375 - 0LA15

6ES5 375 - 0LA41

6ES5 375 - 0LC31

32 Kbytes

8 Kbytes

6ES5 375 - 0LC41 16 Kbytes

6ES5 375 - 0LC11 2 Kbytes

2.4.1 Memory Submodule Evaluation

Several error flags can be stored by the CP in byte 0 in conjunction with the memory submodule.

Table 2-4. Error Flags in Conjunction with the Memory Submodule

Error Remedy

Memory submodule defective 1. PLC POWER OFF

2. Plug in (new) memory submodule

3. PLC POWER ON

No message texts configured Configure message texts

Wrong or defective user submodule

plugged in?

Contents of

byte 0

X= Value for other half-byte irrelevant

2-10

EWA 4NEB 811 6044-02a

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 256 257

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Siemens KS7 Series Spezifikationen Seite 24