Valmet MBMT120 Analog input module
Specific Parameters
Electrical Parameters
Input Channels: 16 differential analog inputs, supporting single-ended/differential mode switchingSignal Types: Compatible with 4-20mA DC, 0-10V DC, 1-5V DC, millivolt-level signals (0-100mV)Measurement Accuracy: ±0.1% Full Scale (FS), linear error ≤±0.05% FS, temperature drift ≤50ppm/℃Sampling Rate: 100Hz per channel (synchronous sampling), sampling interval 10msPower Supply: 24V DC input, voltage fluctuation tolerance ±15%, typical power consumption 6W, maximum power consumption 9WIsolation Characteristic: Electrical isolation between channels, and between channels and backplane, isolation voltage 2500Vrms (AC, 1 minute)Communication Interface: Supports Profinet IRT and Modbus TCP/RTU protocols, data transmission rate 1Gbps (Profinet)Diagnostic Functions: Built-in channel open/short circuit detection, signal over-range alarm, module over-temperature monitoring, fault information uploaded to controller in real timeSafety Certification: Complies with IEC 61508 SIL 2 safety integrity level, supporting safety-related control loops
Mechanical Parameters
Overall Dimensions: 110mm (L) × 85mm (W) × 32mm (H), compatible with compact control cabinet installationHousing Material: Flame-retardant reinforced plastic (UL94 V-0 grade), anti-static coating on surface, integrated heat dissipation ribsWeight: Approximately 0.4kg, adapting to lightweight rail mounting requirementsMounting Method: 35mm DIN standard rail mounting, supporting horizontal/vertical installation, occupying 1 rack unitStatus Indication: 16 channel LED indicators (green: normal signal; yellow: signal over-range; red: channel fault) + 2 system LEDs (green: normal power; blue: normal communication)
Environmental Parameters
Operating Temperature: -40℃ to 70℃ (non-condensing environment, compliant with IEC 60068-2-1/2 standard)Storage Temperature: -40℃ to 85℃Relative Humidity: 5% to 95% (non-condensing, compliant with IEC 60068-2-3 standard)Protection Rating: IP20 (module itself, relying on overall control cabinet protection)EMC Compliance: Meets EN 55022 Class A (emission limits) and EN 55024 (immunity) standards, common-mode interference immunity ≥130dBVibration Resistance: 10-500Hz frequency range, 1g acceleration (sine wave), 30 minutes of continuous testing per axisCertifications: CE (EMC/Low Voltage Directive), UL, CSA, RoHS 2.0 compliance
Product Performance
Excellent acquisition accuracy: With ±0.1% FS measurement accuracy and 100Hz synchronous sampling rate, it can accurately capture small fluctuations of process parameters (such as 0.01mA current change), avoiding control deviation caused by signal error.
Extremely strong anti-interference capability: 2500Vrms high isolation voltage and digital filtering algorithm can resist electromagnetic interference from inverters and high-voltage equipment in industrial sites, with signal acquisition error ≤±0.02% FS in high-interference environments.
High operational reliability: Industrial-grade components and wide-temperature design ensure a mean time between failures (MTBF) of ≥250,000 hours; supporting hot swapping, module replacement does not require system shutdown, and maintenance downtime ≤5 minutes.
Wide system compatibility: Directly compatible with Valmet’s full range of control systems, and also compatible with third-party PLCs (such as Siemens S7-400, Rockwell ControlLogix), enabling rapid integration without custom drivers.
Excellent maintenance convenience: Supports online calibration and channel-level fault diagnosis, fault information is visually presented through the control system, and faulty channels can be quickly located with LED indicators, no module disassembly required for calibration.
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