Omron CRT1 - 10-2009, Operation Manual

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Summary of the Analog Output Slave Units
Section 6-3
6-3 Summary of the Analog Output Slave Units
The Analog Output Slave Unit converts (DA conversion) digital data (binary
values) stored in the Master Unit into analog signals of 1 to 5 V or 4 to 20 mA
and outputs this.
A summary of the Analog Output Slave Unit is described below.
6-3-1 Output Range and Conversion Data
Digital data that is output is converted to analog data using a set output range
as shown below.
If the output data exceeds the data range for which conversion is possible, the
conversion data saturates at the upper or low limit.
Output Range and
Conversion Data
■
Output Range: 0 to 5 V
Data of 0000 to 1770 Hex (0 to 6000) is converted to voltage from 0 to 5 V and
output. The output data range for which conversion is possible is from FED4
to 189C Hex (
–
300 to +6300) and for this case the output data becomes from
-0.25 to +5.25 V.
■
Output Range: 1 to 5 V
Data of 0000 to 1770 Hex (0 to 6000) is converted to voltage from 1 to 5 V and
output. The output data range for which conversion is possible is from FED4
to 189C Hex (
–
300 to +6300) and for this case the output data becomes from
0.8 to 5.2 V.
8000FED4 (
−
300)
189C
(6300)
1770
(6000)
0000 (0)
0 V
−
0.25 V
5.25 V
5 V
7FFF
Conversion data
Hexadecimal
(decimal)
Voltage
FED4
(
−
300)
189C
(6300)
1770
(6000)
0000(0)
1 V
0 V
0.8 V
5.2 V
5 V
8000
7FFF
Conversion data
Hexadecimal
(decimal)
Voltage