Heat meter calculator QALCOMET HEAT 1
PEQMH1V01
45
Annex B cont.
2-wire conection method of temperature sensors 4-wire conection method of temperature sensors
and jumper “+U”
is in position
“+18V”
b) when pressure sensors are connected using three-wire connection and power is supplied from the
calculator (+18V)
Fig. B3. Other options to connect pressure sensors.
p1
+
ma
it
inimo (
24 V
)
+
i
šė
jim
o sr
ov
ė
be
ndr
as
p2
+
ma
it
inimo (
24 V
)
+
i
šė
jim
o sr
ov
ė
be
ndr
as
69 17
68 11 50
9
p1
+
ma
it
inimo (
24 V
)
+
i
šė
jim
o sr
ov
ė
be
ndr
as
+
ma
it
inimo (
24 V
)
+
i
šė
jim
o sr
ov
ė
be
ndr
as
p2
+
ma
it
inimo (
24 V
)
+
i
šė
jim
o sr
ov
ė
be
ndr
as
+
ma
it
inimo (
24 V
)
+
i
šė
jim
o sr
ov
ė
be
ndr
as
69 17
68 11 50
9
2-wire conection method of temperature sensors 4-wire conection method of temperature sensors
and jumper “+U”
is in position
“+18V”
a) when pressure sensors are connected using two-wire connection (4-20 mA) and power is supplied from
the calculator (+18V)
p2
-
C
u
rr
en
t
C
u
rr
en
t
+
69
68 11 50
9
p1
-
C
u
rr
en
t
C
u
rr
en
t
+
p2
-
C
u
rr
en
t
C
u
rr
en
t
+
p2
-
C
u
rr
en
t
C
u
rr
en
t
+
69
68 11 50
9
p1
-
C
u
rr
en
t
C
u
rr
en
t
+
p1
-
C
u
rr
en
t
C
u
rr
en
t
+
68 11
69 51
p2
p1
+
C
u
rr
en
t
C
u
rr
en
t
-
+
C
u
rr
en
t
C
u
rr
en
t
-
68 11
69 51
p2
p1
+
C
u
rr
en
t
C
u
rr
en
t
-
+
C
u
rr
en
t
C
u
rr
en
t
-
+
C
u
rr
en
t
C
u
rr
en
t
-
+
C
u
rr
en
t
C
u
rr
en
t
-
p1
+
pow
er
su
pp
ly
(24 V
)
+
C
ur
re
n
t ou
tpu
t
Gr
ound
p2
+
pow
er
su
pp
ly
(
24
V
)
+
C
ur
re
n
t ou
tpu
t
Gr
ound
68 11
69 51
p1
+
pow
er
su
pp
ly
(24 V
)
+
C
ur
re
n
t ou
tpu
t
Gr
ound
+
pow
er
su
pp
ly
(24 V
)
+
C
ur
re
n
t ou
tpu
t
Gr
ound
p2
+
pow
er
su
pp
ly
(
24
V
)
+
C
ur
re
n
t ou
tpu
t
Gr
ound
+
pow
er
su
pp
ly
(
24
V
)
+
C
ur
re
n
t ou
tpu
t
Gr
ound
68 11
69 51
Summary of Contents for HEAT 1
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