Shinko BCD2R - Alarm and Output Action Diagrams; A1 and A2 Alarm Output Configurations

17
7.4 A1, A2 action
• For A2, read A2 for A1.
• A1 indicator lights when A1 output terminals 17 and 18 are ON, and goes off when their output terminals
17 and 18 are OFF.
• A2 indicator lights when A2 output terminals 19 and 20 are ON, and goes off when their output terminals
19 and 20 are OFF.
A1 action
A1 output
+ side
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
High/Low limits alarm
High/Low limit range alarm
Low limit alarm
Process high alarm
Process low alarm
A1 hysteresis
A1 hysteresis
+ A1 set point
A1 set point
SV
High limit alarm
A1 hysteresis A1 hysteresis
A1 hysteresis
High limit alarm with standby
Low limit alarm with standby
A1 hysteresis
A1 set point
A1 set point
A1 set point
A1 set point
A1 set pointA1 set point
+ A1 set point
+ A1 set point
A1 set point
SV
SV
SV
SV
A1 set point
A1 set point
A1 hysteresis
A1 hysteresis A1 hysteresis
High/Low limits alarm with standby
A1 action
A1 action
A1 output
A1 output
- side
+ side
- side
+ side
- side
+ side
- side
SV
A1 set point
SV
+ A1 set point
A1 set point
: A1 output terminals 17, 18 (A2 output terminals 19, 20): ON (closed).
: A1 output terminals 17, 18 (A2 output terminals 19, 20): ON (closed) or OFF (open)
: A1 output terminals 17, 18 (A2 output terminals 19, 20): OFF (open)
: Alarm output is in standby.