HYDAC ELECTRONIC HDA 7400, Quick Manual

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Pin assignment
The electrical connection have to be carried out by a qualified electrician in accordance with
the respective national regulations (VDE 0100 in Germany).
Only the measurands and signals specified in the technical data may be fed into the
mechanical and electrical connections.
Pin assignment of HDA 7446
Pin HDA 7446-A HDA 7446-B
1 +U
B
2 n.c. n.c.
3 Signal- 0 V
4 n.c. Signal
2 conductors 4 .. 20 mA
RL
max.
=
U
B
- 8 V
[ Ω ]
0,02 A
3 conductors 0 .. 10 V
RL
min.
= 2 k Ω
The load resistance RL is produced by the measuring resistance inside the
evaluation unit and the line resistance of the connection line.
Contact
Enquiries for documents Enquiries about repairs & service
HYDAC ELECTRONIC GMBH
Hauptstr. 27
D-66128 Saarbrücken
Germany
Web: www.hydac.com
E-Mail: electronic@hydac.com
Phone: +49 (0)6897 509-01
Fax.:
+49 (0)6897 509-1726
HYDAC SYSTEMS & SERVICES GMBH
Hauptstr. 27
D-66128 Saarbrücken
Germany
Phone: +49 (0)6897 509-1936
Fax.:
+49 (0)6897 509-1933
Signal -
Signal +
RL
RL
3
1
HDA 7446-A


+U
B
RL
3
HDA 7446-B
1



0V
4
Signal