Library of Function Blocks
4.59
Besides giving the corresponding high logic level output, the alarm status can also be shown on the
front panel display (see
SECTION 1 - ALARMS ACKNOWLEDGMENT). It can be configured
through the parameter
CFRT.
It is also possible to program an eight-characters alarm message, using the parameter
CMN1 (or
CMN2).
TYPE MNEM DESCRIPTION RANGE DEFAULT
I LIA Input A 0
I LIB Input B (Comparator Reference) 0
I LIC Input C 0
I LID Input D (Comparator Reference)
Addresses
0 to 170/225 to 240
0
I CTY1 First Comparator 0-Low/1-High/2-Equal 0
S CMN1 First Comparator Message ****** LOW COMP
I CTY2 Second Comparator 0-Low/1-High/2-Equal 1
S CMN2 2nd Comparator Message ****** HGH COMP
I
CFRT Indication on Front Panel
0 - None
1 - Indicates 1
2 - Indicates 2
3 - Indicates 1 and 2
4 - Indicates 1 with Auto Ack.
5 - Indicates 2 with Auto Ack.
6 - Indicates 1 and 2 with Auto Ack.
0
P ARG1 1st Comparator Limit -102.00% to +102.00% 0.00%
P ADB1 1st Comparator Hysteresis 0.00% to 100.00% 0.00%
P ARG2 2nd Comparator Limit -102.00% to +102.00% 100.0%
P ADB2 2nd Comparator Hysteresis 0.00% to 100.00% 0.00%
Number of Bytes per Type of Parameter: A = 8 C = 22 L = 8