NSX Cord
 DANGER |
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hazard of electric shock, explosion or arc flash
Failure to follow these instructions will result in death or serious injury.
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Introduction
The NSX cord connects a circuit breaker to the communication network.
The NSX cord can be used with a BSCM Modbus SL/ULP module module.
For more information about integrating ComPacT NSX DC circuit breaker communication functions, refer to:
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DOCA0093EN ULP System (IEC Standard) - User Guide
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DOCA0213EN ComPacT NSX - Modbus Communication Guide
Description
The NSX cord consists of a junction box, a cable equipped with an RJ45 connector, and a cable equipped with a screw terminal block.
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Item |
Data medium |
Data transmitted |
Comments |
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A |
NSX cord microswitch |
State of SD contact |
The NSX cord goes into the SD slot instead of the auxiliary contact. |
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B |
Cable equipped with an RJ45 connector for connection to a ULP module. |
Communication network |
Three cable lengths are available: 0.3 m (9.84 ft), 1.3 m (4.27 ft), and 3 m (14.7 ft). |
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C |
Internal link to the BSCM Modbus SL/ULP module |
Communication network |
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The NSX cord also provides the 24 Vdc power supply for the BSCM Modbus SL/ULP module (when this module is installed):
Installation
The slots used to install the NSX cord depend on the circuit breaker type.
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A NSX cord B BSCM Modbus SL/ULP module |
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The NSX cord cannot be installed at the same time as the SD auxiliary contact.
The NSX cord can be installed on site.
For more information about installation, consult the instruction sheet on the Schneider Electric website: GHD16047AA ComPacT NSX100–630 – NSX cord.
NSX Cord Connection
The NSX cord connects to the following ULP modules:
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IFM or IFE communication interface
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FDM121 display
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IO module
The figure below illustrates the connections from
the NSX cord to the IFM Modbus interface.
A IFM Modbus interface for one circuit breaker
B NSX cord
C BSCM Modbus SL/ULP module