Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 112)

Publication 1760-UM003A-EN-P - September 2005
7-32 Pico GFX Control Commands
Frequency counters: CF01 – CF04
Table 6.122 Telegram Structure
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 Type 15 15
1 2 Instance 01 – 04 01 – 04
2 3 Index Table 6.123 Table 6.123
3 – 6 4 – 7 Data 1 – 4
Read operation 00 depending on
index,Table 6.124
Write operation depending on
index,6.124 00
Table 6.123 Operand overview
Index
(hex) Operand read write
00 Bit IO, Table 6.124 x
01 Mode/Parameter – –
02 Upper setpoint SH x
c
(1)
(1) The value can only be written if it is assigned to a constant in the program.
03 Lower setpoint SL x
c
(1)
04 Actual value in Run mode QV x
TIP
The data for index 2 to 4 is transferred as a 32-bit
value in Intel format (Data 1 – Low Byte to Data 4 –
High Byte).