Eurotherm 590+ Series, Product Manual, Page: 150 / 308

6-40
Programming Your Application
590+ Series DC Digital Converter
LINK 11 & LINK 12
Links 11 and 12 allow further functionality within the block diagram. The following diagram
shows the internal schematic for an advanced link.
Link 11
– OUTPUT [391] – 0
0
–
[390] INPUT
–
0
–
[394] AUX INPUT
–
OFF
–
[392] ADVANCED
–
SWITCH
–
[393] MODE
–
Link 12
– OUTPUT [396] – 0
0
–
[395] INPUT
–
0
–
[399] AUX INPUT
–
OFF
–
[397] ADVANCED
–
SWITCH
–
[398] MODE
–
MMI Menu Map
1
SYSTEM
2
CONFIGURE I/O
3
INTERNAL LINKS
4
LINK 11
4
LINK 12
SOURCE TAG
DESTINATION TAG
ADVANCED
MODE
AUX. SOURCE
Parameter Descriptions
OUTPUT Range: 0 to 549
(DESTINATION TAG)
Selects the tag to where the output will be written.
Refer to “Special Links”, page 6-1.
INPUT Range: 0 to 549
(SOURCE TAG)
Selects the source tag for the primary input.
Refer to “Special Links”, page 6-1.
AUX INPUT Range: 0 to 549
(AUX.SOURCE)
Provides the second input for the two-input functions of the MODE selection. Refer to
“Special Links”, page 6-1.
ADVANCED
Range: See below
When OFF it makes the extended link appear as a standard link, i.e. it copies INPUT to
OUTPUT. When ON it extends the link's functionality according to the MODE selected (see
below).
0 : OFF
1 : ON
MODE Range: See below
This determines which operation is performed on the INPUT (and sometimes also the AUX
INPUT) before copying the result into the OUTPUT. It can be combined with ADVANCED to
dynamically
switch the OUTPUT between two inputs (INPUT and AUX INPUT). The
functionality of the various MODE selections are shown in the table.
0 : SWITCH
1 : INVERTER
2 : AND
3 : OR
4 : SIGN CHANGER
5 : MODULUS
6 : COMPARATOR