ABB NAMU-01C 64702475D Analog input module
Specific Parameters
Electrical Parameters
Power Supply Voltage: 24V DC ±10%Input Channels: 6-channel differential analog inputs, supporting three-wire sensorsInput Signal Types: 100Ω Pt RTD, 120Ω Ni RTD, 0-5V DC, 0-10V DC, 0-20mA DC, 0-5kΩ potentiometerResolution: 24-bit (effective resolution up to 1/16,777,216)Measurement Accuracy: ±0.01% full scale (at 25℃)Overload Protection: Each channel supports 240Vrms continuous overload, transient protection complies with ANSI/IEEE C37.90.1 standardIsolation Characteristic: 1500Vrms electrical isolation between inputs and busCommunication Interface: Supports Modbus RTU (RS-485) protocolDiagnostic Functions: Channel fault (open/short circuit), overrange/underrange detection, fault information output via LED indicators and communication interface
Environmental Parameters
Operating Temperature: -40℃ to +85℃ (non-condensing environment)Storage Temperature: -40℃ to +100℃Relative Humidity: 5% to 95% (non-condensing)Protection Rating: IP20 (module itself, must be installed in control cabinets)Vibration Resistance: 10-55Hz frequency range, 0.75mm amplitude (sine wave)EMC Compliance: Meets EN 61000-6-2 (immunity) and EN 61000-6-4 (emission limits) standards
Mechanical Parameters
Overall Dimensions: 100mm (L) × 80mm (W) × 35mm (H)Housing Material: Flame-retardant ABS plastic with anti-static surface treatmentWeight: Approximately 0.3kgMounting Method: 35mm standard DIN rail mountingWiring Method: Plug-in spring terminals, adapting to 0.5-2.5mm² wiresStatus Indication: 1 LED per channel (green: normal; red: fault), 1 system power LED (blue)
Product Performance
High-precision measurement: Utilizes 24-bit ADC and oversampling technology to achieve an effective resolution of 1/16,777,216 and control full-scale accuracy within ±0.01%, enabling precise detection of minute signal variations.
Independent channel configuration: Each channel supports individual settings for sensor type, range, alarm limits, and linearization processing, adapting to diverse industrial sensor access requirements.
Reliable design: Input channels feature 240Vrms continuous overload protection and transient interference resistance meeting industry standards, ensuring stable operation in harsh industrial environments.
Convenient maintenance: Supports hot swapping, LED indicators intuitively display channel status, and fault location time ≤2 minutes, reducing system downtime risks.
Wide temperature adaptability: -40℃ to +85℃ operating range covers extreme industrial scenarios, applicable to outdoor cabinets, high-temperature furnaces, and other complex environments.
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