Configuration
3/07 UDC3500 Universal Digital Controller Product Manual 149
3.22 Options Set Up Group
Introduction
The Options group lets you configure the remote mode switch (Digital Inputs) to a
specific contact closure response, or configure Second Current Output or Third Current
Output to be a specific selection with desired scaling.
The UDC3500 has three current outputs, two of which are configured in this Set Up
Group.
The UDC3500 has four digital inputs. Loop assignments are made in this Set Up Group.
Function Prompts
Table 3-22 OPTION Group Function Prompts
Function Prompt
Lower Display
Selections or
Range of Setting
Upper Display
Parameter
Definition
CUR OUT2
ATTENTION
Prompts for the
Second Current
Output Selection
appear only if the
Second Current
Output option is
installed.
SECOND CURRENT OUTPUT SELECTION
This selection provides a milliamp output
representing one of several control parameters. The
display for the Second Current Output viewing will be
in engineering units for all but output. Output will be
displayed in percent.
ATTENTION Other prompts affected by these
selections: 4mA VAL and 20mA VAL.
ATTENTION OUTPUT cannot be configured when
Three Position Step Control is used.
ATTENTION When Loop 2 Output is configured for
CURRENT and there is no Third Current Output
option installed, the Second Current Output is forced
to “OUTPUT 2”.
DISABLE
NO SECOND CURRENT OUTPUT—Current Output
disabled and output set to 0 mA.
INPUT 1
INPUT 1—This represents the configured range of
Input 1.
FOR EXAMPLE:
Input 1 Type = J Thermocouple (0 °F to 1600 °F)
Second Current Output Low Scale Value = 0.0
Second Current Output High Scale Value = 1600
CO Range = 4-20 mA
Then:
0 °F display = 0 % output (4 mA)
800 °F display = 50 % output (12 mA)
1600 °F display = 100 % output (20 mA)
INPUT 2
INPUT 2—Same as Input 1
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