Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual
Page 87
Publication 1794-6.5.8 - January 2010
Communication and I/O Image Table Mapping with the DeviceNet/ControlNet Adapter 87
Table 5.8
Analog Output Module (1794-OF4I) Write Configuration Block
Word/Dec. Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Word/Octal Bit
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Write Word 1
EN
S1
S0
0
0
0
0
0
0
0
0
0
0
0
0
0
Word 2
Output Data – Channel 0
Word 3
Output Data – Channel 1
Word 4
Output Data – Channel 2
Word 5
Output Data – Channel 3
Word 6
Output Chnl 3
Configuration
Output Chnl 2
Configuration
Output Chnl 1
Configuration
Output Chnl 0
Configuration
Word 7
IC
1
TR
IT
Q3
Q2
Q1
Q0
RV
QK
CK
GO
Channel Number
Words 8 and 9
Not used
Where:
EN = Enable outputs; 0 = output follows S1/S0, 1 = output enabled
IC = Initiate configuration bit
TR = Transparent bit
IT = Interrupt Toggle bit
Q0–3 = Request for outputs to hold
RV = Revert to defaults bit
QK = Quick calibration
CK = Calibration clock
GO = Gain offset select
Table 5.9
Configuring Your Outputs for the 1794-OF4I Isolated Output Module
Configuration Bits
Nominal
Range
Data Type
Output Values
Update
Rate
MSD
LSD
Hexadecimal
Decimal
0
0
0
1
4-20mA
2’s complement
<0000–7878>
<0000–30840>
5.0ms
0
0
1
0
±10V
2’s complement
<8618–79E8>
<–31208–31208> 2.5ms
0
0
1
1
±5V
2’s complement
<8618–79E8>
<–31208–31208> 2.5ms
0
1
0
0
0-20mA
2’s complement %
0–10000>
0–10000>
5.0ms
0
1
0
1
4-20mA
2’s complement %
<0–10000>
<0–10000>
5.0ms
0
1
1
0
0-10V
2’s complement %
0–10000>
0–10000>
5.0ms
0
1
1
1
±10V
2’s complement
<–10000–10000> <–10000–10000> 5.0ms
1
0
0
0
0-20mA
binary
0000–F3CF>
0000–62415>
2.5ms
1
0
0
1
4-20mA
binary
0000–F0F1>
0000–61681>
5.0ms
1
0
1
0
0-–10V
binary
0000–F3CF>
0000–62415>
2.5ms
1
0
1
1
0-5V
binary
0000–F3CF>
0000–62415>
2.5ms
1
1
0
0
±20mA
offset binary
<8000–F9E8>
32768–63976>
2.5ms
1
1
0
1
4-20mA
offset binary
<8000–F878>
<32768–63608>
5.0ms