Eurotherm 590+ Series, Product Manual, Page: 166 / 308

6-56
Programming Your Application
590+ Series DC Digital Converter
SETPOINT SUM 1
This can be configured to perform one of a
number of functions upon a fixed number of
inputs.
Setpoint Sum 1
–
SPT. SUM [ 86]
–
0.00 %
1.0000
–
[ 6] RATIO 1
–
1.0000 – [208] RATIO 0 –
POSITIVE
–
[ 8] SIGN 1
–
POSITIVE
–
[292] SIGN 0
–
1.0000
–
[419] DIVIDER 1
–
1.0000
–
[420] DIVIDER 0
–
0.00 %
–
[131] DEADBAND
–
105.00 %
–
[375] LIMIT
–
0.00 %
–
[423] INPUT 2
–
0.00 % – [100] INPUT 1 –
0.00 %
–
[309] INPUT 0
–
MMI Menu Map
1
SETUP PARAMETERS
2
SETPOINT SUM 1
RATIO 1
RATIO 0
SIGN 1
SIGN 0
DIVIDER 1
DIVIDER 0
DEADBAND WIDTH
LIMIT
INPUT 2
INPUT 1
INPUT 0
Parameter Descriptions
SPT. SUM Range: xxx.xx %
(SPT SUM OUTPUT)
Refer to the DIAGNOSTICS function block description, page 6-22.
RATIO 1
Range: -3.0000 to 3.0000
Analog input 1 scaling.
RATIO 0 Range: -3.0000 to 3.0000
Input 0 scaling.
SIGN 1 Range: See below
Analog input 1 polarity.
0 : NEGATIVE
1 : POSITIVE
SIGN 0 Range: See below
Input 0 polarity.
0 : NEGATIVE
1 : POSITIVE
DIVIDER 1 Range: -3.0000 to 3.0000
Analog input 1 scaling. Dividing by 0 (zero) results in a zero output.
DIVIDER 0 Range: -3.0000 to 3.0000
Input 0 scaling. Dividing by 0 (zero) results in a zero output.
DEADBAND Range: 0.00 to 100.00 % (h)
(DEADBAND WIDTH)
Analog input 1 deadband width.
LIMIT Range: 0.00 to 200.00 %
The Setpoint Sum programmable limit is symmetrical and has the range 0.00% to 200.00%.
The limit is applied both to the intermediate results of the RATIO calculation and the total
output.
-1
LIMIT
INPUT 2
INPUT 1
INPUT 0
INPUT 2 Range: -200.00 to 200.00 %
Input 2 value. By default this is not connected to any analog input.
INPUT 1 Range: -200.00 to 200.00 %
Input 1 value. By default this is connected to Analog Input 1 (A2).
INPUT 0 Range: -200.00 to 200.00 %
Input 0 value. By default this is not connected to any analog input.