1 General
BU 0800 en-4521 9
The device does not need to be opened at any time during its service life. All mounting, installation
and commissioning works are only done on the closed device.
• Assembly is done via freely accessible mounting holes.
• Electrical connection is exclusively established via plug connectors.
• Operational settings are made via parameter adjustments.
• B
lind plugs may only be removed for works in connection with commissioning and must be
properly replaced afterwards.
• Diagnostic LEDs for displaying switching and operating states are externally visible.
• The cover cap of the diagnostic port D1 only requi
res removal for the connection of
parameterisation tools such as a PC or ParameterBox.
After successful parameterisation, the
cover cap must be replaced.
1.1 Overview
Basic characteristics of the NORDAC ON
• High starting torque and precise motor speed control by means of sensorless current vector control
• Mounting on the motor or close-to-motor mounting as wall mounting
• Permissible ambient temperature -30°C to 40°C (pay attention to technical data)
• Integrated EMC mains filter
• External 24 V supply
• Four separate online switchable parameter sets
• Four digital inputs, two of them usable as digital outputs
• LEDs for diagnosis (including signal statuses DIs/DOs)
• RS232/RS485 interface via RJ12 port
• Operation of three-phase asynchronous motors (ASM)
• Integrated PLC BU 0550
• Integrated Industrial Ethernet Interface BU 0820
• Optional: Connection facility for functional safety (only size 2 and higher)
• Optional: Internal braking resistor (only size 2 and higher)
Basic characteristics of the NORDAC ON+
• IE5+ motors operation
• All basic characteristics of the NORDAC ON
• In addition: RS 485 encoder interface for positioning tasks
• Optional: nsd tupH surfaces for the food industry
Optional features
The FI can be individually adapted to the drive task. For this, a comprehensive selection of interfaces,
plug connections and control elements are available, which can be used during the manufacture of the
FI according to the customer's requirements.
Depending on the configuration, the meaning of the individual LEDs, function or assignment of
individual plug connectors or the function of control elements (e.g. switches) may differ. The possible
combinations will be illustrated and explained in the course of this manual. The individual configuration
of the FI can be identified using the type plate and can be compared with the details in the manual.
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