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General| Brand | GESTRA |
|---|---|
| Model | NRR 2-40 |
| Category | Controller |
| Language | English |
Covers danger of electric shock, name plate importance, Low Voltage/EMC directives, and ATEX exclusion.
Comprehensive technical data: approval, interface, power, protection, temp, material, weight.
Diagrams detailing front panel LEDs, buttons, and the terminal block layout.
Procedure to calculate and verify sufficient voltage supply for the CAN bus system.
Specific wiring diagram for NRR 2-40 as a 3-position stepping controller.
Specific wiring diagram for NRR 2-40 as a continuous controller.
Essential safety and operational rules for CAN bus wiring, including termination and interruption.
Lists factory defaults for Baud rate, Xp, switchpoints, dead band, and relay delays.
Instructions for configuring the controller's measuring range.
Explains how to set two switchpoints and the proportional band (Xp).
Detailed procedure for setting switchpoints and the proportional band using control buttons.
Manual calibration procedure for the feedback potentiometer of an external control valve.
Critical notes on the required potentiometer value and operational impact of defects.
A comprehensive list of common operational faults and their solutions.
Outlines a structured approach to diagnosing issues in CAN bus systems.
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