TR1200
12320-0702-03
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5 / 20
www.ziehl.de
4
Description of terminals
Terminal
Function
A1 and A2
Supply Voltage Us, see Operating Instructions Point 12
11, 12, 14
Error relay change-over contacts
1T1…12T3
Sensor connection (xT2 = Sense line of three wire technique)
A
RS485 receiving wire
A´
RS485 load resistor, jumper to terminal A required
B
RS485 transmitting wire
B´
RS485 load resistor, jumper to terminal B required
(Gnd)
Ground wire of RS485 interface,
potential equalisation between multiple units
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Important Notes
DANGER!
Hazardous voltage!
Will cause death or serious injury. Turn off and lock out all power
supplying this device before working on this device.
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.