ATR 421 - User manual
49
87
up.L.r.
Upper Limit Retransmission
: Upper limit analogue output
range.
-999…+9999
[digit
10
] (degrees.tenths for temperature sensors).
>
Default
: 1000.
12
Alarm intervention modes
ATR421 has the possibility to program up to four alarms.
Into the following table all intervention modes are showed.
Absolute alarm
5JNFt5FNQP
)ZTUFSFTJTt*TUFSFTJ
7BMPSFEJDPOGSPOUP
OUT
ON
OFF
$PNQBSJTPOWBMVF
(P-47, 54, 61, 68)
PROCESS
PROCESSO
Alarm can be:
• Active
over
• Active
under
In the fi gure it is active over.
Band alarm (setpoint-process)
5JNFt5FNQP
)ZTUFSFTJTt*TUFSFTJ
)ZTUFSFTJTt*TUFSFTJ
OFF
7BMPSFEJDPOGSPOUP
$PNQBSJTPOWBMVF
(P-47, 54, 61, 68)
PROCESS
PROCESSO
4&510*/5
Alarm can be:
• Active
outside
• Active
inside
In the fi gure it is active outside.
10
The display of the decimal point depends on the setting of parameters
Sen.
and
d.p.
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