Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 102)

Publication 1760-UM003A-EN-P - September 2005
7-22 Pico GFX Control Commands
Analog value comparator: A01 – A32
Table 6.99 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 11 11
1 2 Instance 01 – 20 01 – 20
2 3 Index Table 6.100 Table 6.100
3 – 6 4 – 7 Data 1 – 4 00 depending on index,
Table 6.101 and 6.102
Table 6.100 Operand overview
Index
(hex) Operand read write
00 Bit IO, Table 6.101 x
01 Mode, Table 6.102 x
02 Comparison value 1 I1 x
c (1)
(1) The value can only be written if it is assigned to a constant in the program.
03 Gain factor for I1 (I1 = F1 x value) F1 x
c
(1)
04 Comparison value 2 I2 x
c
(1)
05 Gain factor for I2 (I2 = F2 x value) F2 x
c
(1)
06 Offset for value I1 OS x
c
(1)
07 Switching hysteresis for value I2 (the value of HY is
for both positive and negative hysteresis.) HY x
c
(1)