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1.6 Processor Watchdog
The instrument's processor activity is monitored by an independent watchdog device. When the
output of the watchdog is assigned to a relay or digital output, the relay/digital output de-energizes
if the instrument fails to function correctly.
1.7 Loop Break Monitor
Analog output 1 is monitored continuously to detect a loop break. A warning signal or other action can
be initiated by assigning the loop break signal to relays or digital outputs.
1.8 Glossary of Abbreviations
A
b
b
e r
i v
t a
o i
n
P
V
P
o r
c
L
S
t P
L
o
c
l a
L
S
P
1
L
o
c
l a
L
S
P
2
L
o
c
l a
L
S
P
3
L
o
c
l a
L
S
P
4
L
o
c
l a
P
S .
t P
r P
f o
P
D I
O
P /
O
u
p t
O
P
1
C
o
n
O
P
2
C
o
n
I
P /
1
A
n
a
o l
I
P /
2
A
n
a
o l
I
P /
3
A
n
a
o l
D
e
s
c
i r
t p
o i
n
e
s s
V
r a
a i
b
e l
S
t e
P
i o
t n
V
a
u l
e
S
t e
P
i o
t n
1
V
a
u l
e
S
t e
P
i o
t n
2
V
a
u l
e
S
t e
P
i o
t n
3
V
a
u l
e
S
t e
P
i o
t n
4
V
a
u l
e
e l i
S
t e
P
i o
t n
V
a
u l
e
t u
f o
h t
e
P
D I
A
g l
o
i r
h t
m
r t
l l o
r e
O
u
p t
t u
1
h (
e
a
) t
r t
l l o
r e
O
u
p t
t u
2
c (
o
o
) l
g
n I
p
t u
1
g
n I
p
t u
2
g
n I
p
t u
3
Table 1.1 Glossary of Abbreviations
1 DISPLAYS AND FUNCTION KEYS
A
b
b
e r
i v
t a
o i
n
d
1 i
D
g i
t i
l a
d
2 i
D
g i
t i
l a
d
3 i
D
g i
t i
l a
d
4 i
D
g i
t i
l a
a
o
1
A
n
a
o l
g
a
o
2
A
n
a
o l
g
d
o
1
D
g i
t i
l a
M
P .
V
M
a
t s
r e
M
S .
t P
M
a
t s
r e
M
.
O
P
M
a
t s
r e
S
S .
t P
S
a l
v
e
S
S
P .
V
S
a l
v
e
P
D
e
s
c
i r
t p
o i
n
n I
p
t u
1
n I
p
t u
2
n I
p
t u
3
n I
p
t u
4
O
u
p t
t u
1
O
u
p t
t u
2
O
u
p t
t u
1
P
o r
c
e
s s
V
r a
a i
b
e l
C
o
n
r t
l o
S
t e
P
i o
t n
P
D I
O
u
p t
t u
t e
P
i o
t n
o r
c
e
s s
V
r a
a i
b
e l
9
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