Kobold ZOK-E1, Дополнительные инструкции по эксплуатации

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ZOK-Ex
page 6 ZOK-Ex K08/0322
GN
D
4
3
2
1
-
+
-
+
C
o
nt
ro
l I
nput
s
In
p
ut
B
Inpu
t A S
ens
or
S
up
pl
y
ext Batt Service
Simple
Apparatus or
certified 2-wire
passive sensor
Intrinsically safe
battery
Hazardous area
Safe area
intrinsically safe
Power supply
Sw
itc
h
Ou
t
Ou
tp
ut
4-
20
m
A
S
u
ppl
y
+Vs
GND
In
Out
GND
Out2
Out1
PulseOut
StatOut
b. Self-excited two-wire sensor (induction coil)
Non-amplified Pick off coils from turbine meters are examples of this type of input.
Pick-off coils must be I.S. certified and the entity parameters of the coil must not be
less than the entity parameters of the ZOK-Ex instrument being:
Vi = 8.2 VDC, Ii = 100 mA, Pi = 0.7 W
certified
intrinsically safe
coil
(self exciting)
GN
D
4
3
2
1
-
+
-
+
Co
n
tr
o
l I
n
p
u
ts
Inpu
t B
In
p
ut
A
S
e
n
sor
S
uppl
y
ext Batt Service
Intrinsically safe
battery
Hazardous area
Safe area
intrinsically safe
Power supply
Sw
itc
h
Ou
t
Ou
tp
ut
4-
20
m
A
Su
ppl
y +Vs
GND
In
Out
GND
Out2
Out1
PulseOut
StatOut