Kobold DON -2/4, Operating Instructions Manual

Page: 44 / 65

DON
page 44 DON K36/1222
Control Drawing for DON-HA/KA/BA/GA Oval Gear Flowmeter with pulse output
(Hallsensor, usage with zener barrier) for group IIB zone 1
16.2.4 Electronics options 1A to 5A when used in Zone 1/2
With the electronics options 1A to 5A, the electronics option HA in connection with
a flow meter / doser / controller of the type ZOK-E * K * F3 or ZOK-E * M * F3 **
according to LOM 16 ATEX 2062 X is a simple electrical equipment used and
supplied electrically by this equipment only.
Interconnection examples for options 1A to 5A can be found in the instruction
manual supplement "z2gbm_zok-ex_supplement".
Hazardous Area
HA/KA/BA/GA
Safe Area
OUT HA/GA
GND
+Vs
OUT DA
Sensor
GND
Flowmeter
DON-* ** ** ** HA * *
ExGuide 19 ATEX 0007
II 3G Ex ic IIC T4/T3 Gc
Zener barrier
Supply
PA
Group IIB, zone 1
-20 °C ≤ Ta ≤ 60 °C
Supply
12 - 26VDC
PA
ExGuide 19 ATEX 0007
II 2G Ex h IIC T4/T3 Gb
LiYCY
3 x 0,5 mm
2
Lmax = 100 m
1
3
4 5
6
7
8
2
300R
28V
28V
36R
Signal output
Load < 5mA
Ui ≤ 32 Vdc
Ii ≤ 100 mA
Pi ≤ 1 W
Ci = 270 nF
P&F Z787
-20 °C ≤ Ta ≤ 80 °C
Uo = 28 Vdc
Io = 93 mA
Po = 650 mW
BAS 01 ATEX 7005
II (1) G [Ex ia Ga] IIC
-20 °C ≤ Ta ≤ 60 °C
Li = negligible
simple apparatus
Co = 650nF
Lo = 16,4 mH
IIB
IIB
C
C ≤ 0,2nF/m
C ≤ 1uH/m
L