Connections; Interface Description - Siemens SINAMICS SM120 Operating Instructions & Installation Instructions

Motor module
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Description
3.4 Components
On the front panel of the device there is a labeled switch with which the rated voltage can be
selected with the aid of a screwdriver. The square-wave voltage of 55 V generated from the
input voltage supplies four power outputs with equality of access. The design principle differs
according to which electronic component is to be supplied with the aid of the GSV.
Each power output is monitored for undervoltage. When the voltage level of all power outputs
is within the standard range, the LED signaling the status indication lights up green. The device
switches itself off automatically in the event of a short-circuit at one of the power outputs. The
associated LED of the affected power output lights up red until the short-circuit has been
rectified and the device is back in proper working order. This requires that the upstream
miniature circuit-breaker is opened and after approximately 10 seconds is closed again.
3.4.7.2

Connections

Image 3-4
3.4.7.3

Interface description

Tasks of the interfaces
Connector
X1
X2
X6 / X7 / X8 / X9
42
LED display for the power output
Operating display
Power outputs
Overview
Signaling
Line connection
Line voltage selection
Task
Line connection
Signaling
Power output
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015

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