Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual
Page 66
Publication 1760-UM003A-EN-P - September 2005
6-22 Application Examples for Pico
Table 6.40 Operand overview
Index
(hex)
Operand
Read
Write
00
Parameters Table 6.41
x
01
Control byte Table 6.42
x
02
Comparison value 1
I1
(1)
(1) A 16-bit value is transferred in data bytes Data 1 – Data 2. It should be remembered that the low byte 1 is in
Data 1 (Byte 5) and the high byte 2 (byte 8) in Data 2.
Example: 5327dec = 14CFhex l Data 1 = 0xCF, Data 2 = 0x14
x
c
(2)
(2) The value can only be written if it is assigned to a constant in the program.
03
Comparison value 2
I2
x
04
Gain factor for I1
(I1 = F1
x I1)
F1
x
05
Gain factor for I2
(I2 = F2
x I2)
F2
x
06
Offset for value I1 (I1 = OS + actual
value at I1)
x
07
Switching hysteresis for value I2
x
Table 6.41 Index 00 – Parameters
Meaning
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Appears in the parameter menu
Yes/no
0/1
Compare
FB not used
0
0
0
EQ (=)
0
0
1
GE (
f)
0
1
0
LE (
F)
0
1
1
GT (>)
1
0
0
LT (<)
1
0
1
Use as constant and therefore can be written to
I1= Constant
0/1
F1= Constant
0/1
I2= Constant
0/1
F2 = Constant
0/1
OS = Constant
0/1
HY = Constant
0/1
Not used
0
0
0
0
0
0