ABB RELION 620 Series Technical Manual page 822

Section 11
Other functions
11.8.2
11.8.3
816
Function block
GUID-3DD0D0F2-A477-4C73-B07C-089059EA3F26 V1 EN
Figure 413: Function block
Functionality
The set-reset (8 pcs) SR function block is a simple SR flip-flop with a memory that can be
set or that can reset an output from the S# or R# inputs, respectively. The function contains
eight independent set-reset flip-flop latches where the SET input has the higher priority
over the RESET input. The status of each Q# output is retained in the nonvolatile memory.
The individual reset for each Q# output is available on the LHMI or through tool via
communication.
Table 597: Truth table for SRGAPC
S#
0
0
1
1
1) Keep state/no change
R#
0
1
0
1
1MAC504801-IB E
Q#
0 1)
0
1
1
620 series ANSI
Technical Manual