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4. Description of terminals
Terminal
A1 and A2
11, 12, 14
1T1...12T3
A
A´
B
B´
⊥ (Gnd)
5. Important Notes
ATTENTION
Dangerous electrical voltage!
May lead to electrical shock and burn.
Before beginning of work switch unit and equipment free of voltage.
To use the equipment flawless and safe, transport and store properly, install and start
professionally and operate as directed.
Only let persons work with the equipment who are familiar with installation, start and use
and who have appropriate qualification corresponding to their function. They must observe
the contents of the instructions manual, the information which are written on the
equipment and the relevant security instructions for the setting up and the use of electrical
units.
The equipments are built according to DIN / EN and checked and leave the plant
according to security in perfect condition. To keep this condition, observe the security
instructions with the headline „Attention" written in the instructions manual. Ignoring of the
security instructions may lead to death, physical injury or damage of the equipment itself
and of other apparatus and equipment.
If, in any case the information in the instructions manual is not sufficient, please contact
our company or the responsible representative.
Instead of the industrial norms and regulations written in this instructions manual valid for
Europe, you must observe out of their geographical scope the valid and relevant
regulations of the corresponding country.
Edited (Date / Name): 16.07.09 Ba/Su
Page 5 von 20
ZIEHL industrie-elektronik GmbH + Co KG, Daimlerstr.13, D-74523 Schwäbisch Hall, Tel.: +49 791 504-0, Fax: -56, e-mail: info@ziehl.de
Function
Supply Voltage Us, see Operating Instructions Point 12
Error relay change-over contacts
Sensor connection (xT2 = Sense line of three wire technique)
RS485 receiving wire
RS485 load resistor, jumper to terminal A required
RS485 transmitting wire
RS485 load resistor, jumper to terminal B required
Ground wire of RS485 interface,
potential equalisation between multiple units
Drawing No.: 12320-0702-01
Name: TR 1200
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