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General| Brand | TECSYSTEM |
|---|---|
| Model | NT538 |
| Category | Control Unit |
| Language | English |
Emphasizes that only qualified personnel should operate the device.
Instructions regarding opening the unit and warranty voidance.
Compliance, protection, dielectric strength, accuracy, and operating conditions.
Key operational modes and programming features of the unit.
Describes the function of each key and button for operation and programming.
Procedure for testing the unit's indicator LEDs and relays.
How to connect Pt100 sensors and the power supply to the unit.
Details on universal power supply, voltage, grounding, and protection.
Steps for activating channels and setting alarm/trip thresholds.
Details on Pt100 sensor wiring and independent channel programming.
Specifies cable types, sections, screening, and routing for Pt100 signals.
Explains FCC and FOC error codes for sensor issues.
Overview of the Modbus module and operational notes for NT538 AD.
Lists common Modbus error codes like unsupported function, wrong data address, and wrong data.
Details specific programming errors and their corresponding error codes.
Table mapping Modbus addresses to device information and commands.
Table mapping addresses for system settings and status monitoring.
Table for Modbus address, baud rate, and parity bit configuration.
Mapping of Modbus addresses for fan ON/OFF settings and temperature ranges.
Modbus registers for temperature settings and alarm/trip points for channels 3 and 4.
Modbus registers for temperature settings and alarm/trip points for channels 5 and 6.
Modbus registers for temperature settings and alarm/trip points for channels 7 and 8.
Mapping Modbus addresses for channel settings configuration.
Mapping Modbus addresses for reading channel status history.
Details on connecting devices, load impedance, and signal accuracy.
Troubleshooting steps for power-on problems and specific fault messages.
Solutions for sensor-related faults, incorrect readings, and tripping issues.
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