Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 107)

Publication 1760-UM003A-EN-P - September 2005
Pico GFX Control Commands 7-27
Block Transfer: BT01 – BT32
Table 6.111 Telegram Structure
Byte Meaning Value (hex), sent by
Maste
r Slav
e Master Slave
Attribute ID
Read 92 –
Write B2 –
0 Response:
Read successful – C2
Write successful – C1
Command rejected – C0
0 1 Type 26 26
1 2 Instance 01 – 20 01 – 20
2 3 Index Table 6.112 Table 6.112
3 – 6 4 – 7 Data 1 – 4
Read operation 00 depending on index,
Table 6.113, 6.114
Write operation depending on index,
Table 6.113, 6.114 00
Table 6.112 Operand overview
Index
(hex) Operand read write
00 Bit IO, Table 6.113 x
01 Mode, Table 6.114 x
02 Source range 1 I1 x
c
(1)
(1) The value can only be written if it is assigned to a constant in the program.
03 Target range 2 I2 x
c
(1)
04 Number of elements to compare: max. 192 bytes NO x
c
(1)
TIP
The data for index 2 and 3 is transferred as a 32-bit
value in Intel format (Data 1 – Low Byte .. Data 2 -
High Byte).