hygrotest humidity transmitters
hygrotest humidity transmitters
hygrotest humidity transmitters
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2-wire connection of a number of <strong>hygrotest</strong>s<br />
(only channel 1 evaluation units are shown)<br />
4-wire connection only with <strong>hygrotest</strong> 650<br />
(0..20 mA/0..1 V DC/0..10 V DC). With 650 HP also 4...20 mA.<br />
H1 display<br />
Hygrotest<br />
Hygrotest<br />
Transmitter circuit board<br />
24 V DC<br />
(up to 6 Hygrotests<br />
with H1 display can<br />
be supplied in<br />
parallel)<br />
Channel 1<br />
1 2 3 4<br />
Channel 2<br />
1 2 3 4<br />
H3 displays<br />
Evaluation<br />
unit<br />
Evaluation<br />
unit<br />
Evaluation<br />
unit<br />
Evaluation<br />
unit<br />
PC/Comsoft<br />
or<br />
PLC<br />
RS232<br />
<br />
(up to 32 Hygrotests<br />
per RS485 network)<br />
24 V DC<br />
All display types (H1...H6)<br />
can be applied.<br />
RS485<br />
Hygrotest<br />
DT -B<br />
DT -A<br />
Hygrotest<br />
DT -B<br />
DT -A<br />
final resistance<br />
120 Ohm at last<br />
network<br />
member<br />
Dimensions, <strong>hygrotest</strong> 500/600<br />
24 V DC<br />
(up to 6 Hygrotests<br />
with H3 display<br />
on one supply unit)<br />
H2/H4//H5/H6 displays<br />
Hygrotest<br />
Hygrotest<br />
Digital<br />
networking with<br />
H4/H5 displays,<br />
see <br />
* Fixing dimensions<br />
Pass ∅ 5 mm<br />
Dimensions, <strong>hygrotest</strong> 650<br />
24V DC<br />
up to 8 Hygrotests<br />
can be supplied in<br />
parallel<br />
<br />
<br />
24V DC<br />
Evaluation<br />
unit<br />
Evaluation<br />
unit<br />
1 power supply<br />
can run up to 12<br />
H2/H4/H5/H6<br />
displays<br />
(The additional supply is recommended where the PLC input card is not galvanically separated.)<br />
* Fixing dimensions<br />
Pass ∅ 5 mm<br />
19
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