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Device manual
3.7.1 Alarm type selection for alarm relay
The alarm relay operates on the base of the idle current principle.
AL.1
= 0: no alarm selected
also not in case of sensor failure, see also 3.18 SE.b
AL.1
= 1: selects
Setting range: 0 to ± scope of the measuring range [phys. units]
Alarm hysteresis
Setting range: 0 to 10th part of the scope of the measuring range [phys. units]
AL.1
= 2: selects
Setting range: measuring range [phys. units]
Alarm hysteresis
Setting range: 0 to 10th part of the scope of the measuring range [phys. units]
AL.1
= 3: selects
Lower half of the band around the setpoint (negative setting)
Setting range: 0 to - scope of the measuring range [phys. units]
Alarm hysteresis
Setting range: 0 to 10th part of the scope of the measuring range [phys. units]
Upper half of the band around the setpoint (positive setting)
Setting range: 0 to + scope of the measuring range [phys. units]
Alarm hysteresis
Setting range: 0 to 10th part of the scope of the measuring range [phys. units]
AL.1
= 4: selects
Setting range: measuring range [phys. units]
Alarm hysteresis
Setting range: 0 to 10th part of the scope of the measuring range [phys. units]
W. Bälz & Sohn GmbH & Co.
Al.A
alarm type A
HY.1
for
A1.A
0 to + scope of the measuring range [phys. units] at dP = 3
Al.b
alarm type B
HY.1
for
A1.b
0 to + scope of the measuring range [phys. units] at dP = 3
Al.C
and
Al.C.
alarm type C
HY.1
for
A1.C
0 to + scope of the measuring range [phys. units] at dP = 3
HY.1.
for
A1.C.
0 to + scope of the measuring range [phys. units]at dP = 3
A1.b
alarm type B, version 2
HY.1
for
A1.b
0 to + scope of the measuring range [phys. units] at dP = 3
Koepffstraße 5
D-74076 Heilbronn
AL.1
(see description 3.7a)
(see description 3.7b)
(see description 3.7c)
(see description 3.7b)
Telefon (07131) 1500-0
6490B / 6490B-y / 6590B
Telefax (07131) 1500-21
Page 16
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