2 Mounting and installation
BU 0750 GB Technical design subject to change 23
2.9.7 Control terminals (optional)
The way the control lines are connected essentially depends on the optional modules involved (custom inter-
faces / special extensions). The various means and methods are described in Sections 3.3. / 3.4.
On this page you will find general specifications and information relating to any custom interface or special ex-
tension that may be used.
Connection terminals: - push-lock terminal strips which are unlocked with a small screwdriver
Maximum connection
cross section: - 1.5mm
2
or 1.0mm
2
respectively (AWG 26-14 or 26-16 resp.), depending on the
option used
Cables: - to be laid separately from mains / motor cables and to be shielded
Control voltages: - 5V, 300mA max., to feed power to a ParameterBox SK PAR-2H
(short-circuit proof) - 10V, 10mA max., reference voltage for an external potentiometer
- 15V, 300mA max., to be fed to the digital inputs or to an incremental or absolute
value encoder
- analogue output 0 – 10V, 5mA max., for an external display unit
All of the control voltages are related to a common reference potential (GND).
A 5 / 15V voltage may be picked from several terminals if required. The sum of the individual cur-
rents must not exceed 300mA.
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