nord NORDAC START Series, Руководство пользователя

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NORDAC START (SK 135E / SK 175E) – Users Manual for Motor Starters
10 BU 0135 en-4118
• Motor overload protection (I
2
t triggering characteristic in accordance with EN 60947)

This means
that a motor protection switch is not needed, merely a pre-fuse!
• Mains and motor phase failure monitoring
• Flux monitoring (minimum current monitoring)
• Automatic phase sequence detection
• Can be installed directly on, or close to the motor.
• Permissible ambient temperature -25°C to 50°C (please refer to technical data)
• Integrated EMC line filter for limit curve B
• 4x DIP switches and four potentiometers for configuration
• LEDs for diagnostics
• RS232 interface via RJ12 plug
Additional features
The devices are available without an integrated field bus and alternatively in both versions ( - ASI) with
integrated AS Interface
and
(
-
PBR) with integrated PROFIBUS DP
.
Differences between the individual versions (SK 135E / SK 175E) are summarised in the following
table and will be described in this manual.
Feature 135E 175E-
ASI
175E-
PBR
Soft start function x x x
Reversing function x x x
Two additional digital inputs x x
AS interface (4I / 4O) ASI
PROFIBUS-DP (4I / 4O) PBR
Table 2: Additional features