YOKOGAWA YewSeries 80, User Manual

Page: 22 / 66

4-2
IM 01B04K02-02E
4.2 Description of Functions
The following describes the functions of the SALD.
F0402.ai
Input signal
Relay output 1 Relay output 2
Alarm detection 2
Alarm relay connection 2
Alarm detection 1
Alarm relay connection 1
Input processing
SET POINT1
HYSTERESIS1
ALM1 ACTION
ON DELAY1
OFF DELAY1
RLY1 ACTION
RLY1 TEST
SET POINT2
HYSTERESIS2
ALM2 ACTION
ON DELAY2
OFF DELAY2
RLY2 ACTION
RLY2 TEST
SALD-724 only
PV1
Figure 4-2 Software Function Block Diagram
The alphabet codes in the figure are the names of BRAIN communication parameters.