Printed in the Federal Republic of Germany TR-Electronic GmbH 2019, All Rights Reserved
11/21/2019 TR - ECE - BA - GB - 0139 - 02 Page 19 of 154
3.3 Connection instructions
The pin assignment depends on the device version and is therefore noted on every connector as a pin
assignment number. When the measuring system is delivered, a printed device-specific pin
assignment form is enclosed.
Download
https://www.tr-electronic.com/service/downloads/pin-assignments.html
The measuring system may be destroyed or damaged or its function be
impaired by ingress of moisture!
Connector plugs of the measuring system that are unused during
storage and/or operation of the system have to be provided either with
a mating connector or a protective cap. The IP degree of protection is
to be selected according to requirements.
Protective cap with O-ring:
When re-closing, check that the O-ring is present and seated properly.
For suitable protective caps, see the Chapter on Accessories in the
Safety Manual.
3.3.1 Supply voltage
The internal electronics may be damaged by impermissible overvoltages
and this damage go unnoticed!
The power supply used must meet the requirements of
– SELV/PELV (IEC 60364-4-41:2005)
– and be designed according to NEC Class 2,
see also Chapter “UL/CSA Approval” in the safety manual
Cable specification: min. 0.34 mm
2
(recommended 0.5 mm
2
) and shielded.
Generally, the cable cross-section must be harmonized with the cable length.
3.3.2 Optional additional interfaces (Incremental, SSI)
Cable specification: min. 0.25 mm
2
and shielded.
To guarantee the signal quality and minimization of possible environmental influences, we urgently
recommend to use a shielded twisted pair cable.
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