8 Parameter detail setup
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8.2.11 Alarm-□ Status(Relay and transistor output method)
Set alarm output method (Normally Open, Normally Closed) of each alarm output channel from
the set alarm output card in Select Alarm Card (Select alarm output card).
You can use alarm output as relay output or transistor output by inserting the desired alarm
output card(Relay output: KRN-AR4, transistor output: KRN-AT6).
Set
value
Description
occur
Alarm output
Relay Transistor
N.O.
Normally
Open
In normal status it is open.
If alarm occurs, it is closed.
OFF Contact Open
Transistor
OFF
ON Contact Close Transistor ON
N.C.
Normally
Closed
In normal status it is closed.
If alarm occurs, it is open.
OFF Contact Close Transistor ON
ON Contact Open
Transistor
OFF
This function displays as Alarm-□ Status and it is connected relay or transistor Type’s output
card information. One card for relay has 4 outputs(Alarm-1 Status to Alarm-4 Status), for
transistor has 6 outputs (Alarm-1 Status to Alarm 6 Status).
Relay output card(KRN-AR4) is connectable up to 3, and transistor output card (KRN-AT6) is
connectable up to 2 at Slot7 to 10.
Alarm output turns ON or OFF by total 4 alarm conditions and relay, transistor output are able to
output by max. 48 alarm conditions. However, every relay output and transistor output condition
is OR operation (Among several alarm conditions connected one alarm output, even one alarm
condition is met, output must turn ON.).
Setting range: N.O. ↔ N.C.
Factory default: N.O.
Relay and transistor type output is basically fixed as Normally Opened method and H/W when
power is ON.
Therefore, KRN100 takes booting time max. 20sec and maintains Normally open status. In case
of RUN mode after booting, it maintains use-defined output type; Normally Open or Normally
Closed.