Eaton EASY222-DN, User Manual

Page: 187 / 284

Read/write function block data
183
09/10 MN05013007Z-EN
Block Transfer: BT01 – BT32
Telegram structure
Table 96: Operand overview
Byte Meaning Value (hex), sent by
Master Slave Master Slave
Attribute ID
Read 92 –
Write B2 –
0 Response:
Read successful – C2
Write successful – C1
Command rejected – C0
0 1 Part no. 26 26
1 2 Instance 01 – 20 01 – 20
2 3 Index a table 96 a table 96
3 – 6 4 – 7 Data 1 – 4
Read operation 00 depending on index,
a table 97, 98
Write operation depending on index,
a table 97, 98
00
Index
(hex) Operand Reading Writing
00 Bit IO, a table 97 x
01 Mode,
a
table 98
x
02 Source range 1 I1 x c
1)
03 Target range 2 I2 x c
1)
04 Number of elements to compare:
max. 192 bytes NO x c
1)
1) The value can only be written if it is assigned to a constant in the program.