User manual

Read/write function block data

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Data function blocks DB01 .. DB32

Telegram structure

Byte Meaning Value (hex), sent by

Master Slave

0 Toggle byte J page 94

1Command:

Read 92 –

Write B2 –

Response:

Read successful – C2

Write successful – C1

Command

rejected

– C0

2Type 1A 1A

3 Instance 01 – 20 01 – 20

4 Index J Table 79 J Table 79

5 – 8 Data 1 – 4

Read operation 00 depending on

index,

J Table 80

Write operation

depending on

index,

J Table 80