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MOXA EDS-508A-MM-SC

Product Name:​ Moxa EDS-508A Series Managed Ethernet Switch, 6×10/100BaseT(X) + 2×100BaseFX MM SC
Product Introduction:​ Enhanced Layer-2 managed switch with larger MAC table, more advanced security & diagnostics compared to EDS-408A, suitable for critical process automation and substation networks.
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MOXA ICF-1280I-M-ST-T

Manufacturer:​ Moxa Inc. (Taiwan)
Product Brief:​ Converts a standard PROFIBUS DP RS-485 electrical segment to a fiber-optic link, providing galvanic isolation, noise immunity, and extended distance. Intended for connecting PROFIBUS masters/slaves across electrically noisy or geographically separated areas in industrial plants.
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MTL 2213 Switch/Proximity Detector Relay

  1. Technical Specifications
    • Power Supply: 24V DC, 120V AC, or 240V AC with a power consumption of 5VA.
    • Channel Parameters: Three interconnected and fully floating input circuits are configured. Each channel responds to sensors with a voltage range of 7.7 - 9.0V DC supplied by a 1kΩ source.
    • Input/Output Characteristics: For each channel, the relay is energized when the sensor circuit current exceeds 2.1mA (or the resistance is less than 2kΩ), and de-energized when the current is less than 1.2mA (or the resistance is greater than 10kΩ). The nominal hysteresis of the circuit is 200μA (650Ω).
    • Contact Rating: The maximum rating for AC is 250V, 5A, 100VA; the maximum rating for DC is 250V, 5A, 100W. Reactive loads need to be suppressed during use.
    • Response Time: The nominal response time of each channel is 50ms.
    • Environmental Limits: The maximum ambient temperature it can withstand is 60°C.
    • Certification Standards: It holds certifications including IIC, Baseefa No. EX 88B2114BS 550: Part 7: 1977, and EN 50 020. It is suitable for Zone 0, IIC, T6 hazardous areas and Div 1, Group A hazardous locations.
    • Physical & Weight Details: The weight of the device is 260g. Unlike the previous model MTL 2212, only terminal 8 can be used for grounding connections.
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MTL 4516 Dual-Channel Hazardous-Area Switch

Technical Specifications
  • Input Parameters
    • It accepts inputs from Namur proximity detectors and mechanical switches, and applies an input voltage of 7 - 9V DC with a resistance of 1kΩ ± 10%.
    • The trigger threshold is set at above 2.1mA to close the relay and below 1.2mA to open the relay, with a hysteresis of 200µA and a nominal resistance of 650Ω.
  • Output Parameters
    • It is equipped with changeover relay contacts, and the relay has a resistive load rating of 0.5A at 35V DC, which can stably drive the corresponding safe - area loads.
    • The response time of the module is no more than 10ms, ensuring rapid response to signal changes from on - site sensors.
  • Power Supply and Isolation
    • The power supply voltage ranges from 20V DC to 35V DC, and the power consumption is 35mA at 24V DC, which is equivalent to 0.84W, presenting low power consumption performance.
    • It provides 250V AC galvanic isolation between the input, output and power circuits to avoid mutual interference between different circuits.
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MTL 4541 Single-Channel Intrinsically Safe 4-20mA HART Repeater Power Supply

Technical Specifications
  • Input Parameters
    • The hazardous - area input signal range covers 0 to 24mA, including over - range signals. It supplies 16.5V voltage to the transmitter when the current is 20mA.
    • It is compatible with 2 - wire or 3 - wire 4 - 20mA transmitters, and can also connect to separately powered current sources such as 4 - wire transmitters, though HART communication is not supported for the latter.
  • Output Parameters
    • The safe - area output signal range is 4 - 20mA, with an under/over - range of 0 - 24mA. The load resistance can reach 360Ω at 24mA and 450Ω at 20mA.
    • The safe - area circuit has an output resistance greater than 1MΩ, and the circuit ripple is less than 50µA peak - to - peak, ensuring stable output signals.
  • Accuracy and Response Performance
    • The transfer accuracy is better than 15µA at 20°C, and the temperature drift is less than 0.8µA/°C. The linearity error is less than 0.05%, and the temperature coefficient is 0.01% per °C.
    • The module settles to within 10% of the final value within 50µs, enabling rapid response to signal changes.
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MTL 4544 Dual-Channel Intrinsically Safe 4-20mA HART Repeater Power Supply

Technical Specifications
  • Input Parameters
    • The input signal range for the hazardous area covers 0 to 24mA, which includes over-range signals. It supplies a 16.5V voltage to the transmitter when the current reaches 20mA.
    • It is compatible with 2-wire or 3-wire transmitters. Separately powered current sources like 4-wire transmitters can also be connected, but HART communication is not available for such connections.
  • Output Parameters
    • The safe-area output signal ranges from 4 to 20mA, with an under/over-range of 0 to 24mA. For the MTLX544 variant, the safe-area load resistance can be 0 to 360Ω at 24mA and 0 to 450Ω at 20mA.
    • The MTLX544S variant acts as a current sink with a maximum safe-area load of 600Ω and supports a maximum voltage source of 24V DC. The safe-area circuit has an output resistance exceeding 1MΩ and a ripple of less than 50µA peak-to-peak.
  • Accuracy and Response Performance
    • The transfer accuracy is better than 15µA at 20°C, and the temperature drift is less than 0.8µA/°C, ensuring minimal signal distortion due to temperature changes.
    • The module settles to within 10% of the final value within 50µs, enabling rapid response to changes in the transmitter's input signals.
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MTL 4549Y Dual-Output Intrinsically Safe Isolator with Fault Detection

Technical Specifications
  • Signal Parameters
    • The input signal is a 4 - 20mA floating signal from the safe-area controller. The digital signal bandwidth ranges from 500Hz to 10kHz, which can meet the transmission needs of most industrial digital communication signals.
    • The maximum load resistance reaches 800Ω at 16V and 20mA, and the minimum load resistance is 90Ω, with short-circuit detection activated when the resistance is less than 50Ω. The output resistance exceeds 1MΩ, ensuring stable signal output.
  • Accuracy and Stability
    • The transfer accuracy is better than 20μA at 20°C, and the temperature drift is less than 1.0μA/°C, which minimizes signal distortion caused by temperature changes.
    • The ripple of input and output circuits is less than 40μA peak, and the module settles to the final value within 100ms, ensuring rapid response to signal changes and stable transmission.
  • Safety and Functional Parameters
    • It has an under-range capability within 1mA and an over-range capability of up to 24mA when the load is 520Ω or less. When a line fault occurs, the current entering the terminals drops to a preset level to protect the circuit.
    • It achieves 253V AC or DC isolation between circuits, which can effectively prevent electrical interference between different circuits and ensure the safety of the system.
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MTL 5053 31.25kbit/s H1 Fieldbus Isolator with Integrated Power Supply

Technical Specifications
  • Power Supply Parameters
    • The safe - area input voltage ranges from 20V DC to 35V DC. When the output load is 80mA, the typical current consumption is 135mA at 24V DC, and the current consumption is 105mA at 35V DC.
    • It provides a stable 18.4V ±2% power supply for fieldbus devices in hazardous areas, with a maximum output current of 80mA and a DC impedance of 105Ω ±3%.
  • Signal and Isolation Parameters
    • The digital signal transmission rate is fixed at 31.25kbit/s, which is fully compatible with H1 fieldbus systems and meets relevant fieldbus standards.
    • The isolation voltage between safe - area and hazardous - area circuits and the power supply reaches 250V AC. The parameters of terminals 1 and 2 are 22V, 102Ω and 216mA, and the maximum voltage tolerance is 250V RMS or DC.
  • Physical and Environmental Parameters
    • The operating temperature ranges from -20°C to +60°C. If installed non - vertically, the maximum allowable operating temperature is reduced to 45°C.
    • It adopts 10mm spacing DIN rail installation. A green LED indicator is configured to display the power supply status. The shipping weight of the product is 1kg.
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MTL 5517 Two-Channel Switch

Technical Specifications
  • Electrical Parameters
    • The intrinsic safety parameters for hazardous area terminals include an open - circuit voltage of 10.5V, a short - circuit current of 14mA, and zero input capacitance and inductance. The maximum voltage tolerance for related circuits reaches 253V RMS.
    • The safe - area relay contacts can switch up to 253V RMS, 2A RMS and 100VA. In Zone 2, the relay contacts can switch up to 35V, 2A and 100VA, and the DC supply voltage for specific non - hazardous area circuits can be up to 35V.
    • The maximum current consumption is 35mA at 24V DC, and the corresponding power dissipation is 0.84W.
  • Response and Environmental Parameters
    • The maximum response time of the module is 10ms, ensuring rapid response to signal changes and fault events in the field.
    • The operating temperature ranges from -20°C to +60°C. It requires installation in an enclosure with at least IP54 protection level when used in Zone 2.
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MTL 5532 Single-Channel Pulse Isolator with Analog and Relay Alarm Outputs

Technical Specifications
  • Power Supply Parameters
    • The power supply voltage ranges from 20V DC to 35V DC. The maximum power consumption of the module is 2.0W, and it weighs 140 grams, which helps reduce the overall energy consumption and weight of the control cabinet.
    • The maximum voltage tolerance of the related circuits reaches 253V RMS, which can adapt to the voltage fluctuations in industrial power supply environments.
  • Input and Output Parameters
    • For proximity detector input, it provides 7.0V - 9.0V DC excitation with a nominal 1kΩ resistance. The output turns on when the input exceeds 2.1mA and turns off when the input is less than 1.2mA, with a nominal switching hysteresis of 0.2mA.
    • The safe - area pulse output has a maximum delay of 10μs, a maximum off - state voltage of 35V, a maximum off - state leakage current of 10μA, a maximum on - state resistance of 25Ω and a maximum on - state current of 50mA.
    • The analog output signal ranges from 4mA to 20mA, with an accuracy better than 20μA at 20°C and a temperature drift of less than 14μA/°C. The maximum load resistance it can drive at 20mA is 450Ω.
    • The relay alarm output can bear a maximum of 0.5A current at 35V DC.
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MTL 5541 1-Channel Intrinsically Safe Isolator

Technical Specifications
  • Power Supply
    • The safe area supply voltage ranges from 20V DC to 35V DC, with a typical operating voltage of 24V DC.
    • The current consumption is 51mA when powered by 24V DC, and the maximum power dissipation is 0.7W at 24V DC, which can reach 1.0W in specific working conditions.
    • The transmitter voltage is 16.5V when the current is 20mA.
  • Signal Parameters
    • The hazardous area input signal range is 0 - 24mA, covering over-range signals, and the safe area output signal range is 4 - 20mA.
    • The load resistance can be up to 360Ω when the current is 24mA, and up to 450Ω when the current is 20mA.
    • The response time settles to within 10% of the final value in 50μs, and the temperature drift is less than 0.8μA per degree Celsius.
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MTL 8202-HO-IS

Product Name

  • Full Official Product Name: MTL 8202-HO-IS Two Channel Isolated Loop Powered Intrinsically Safe Isolator
  • Fixed Part Number: 8202-HO-IS
  • Registered Brand: MTL Instruments (Eaton Crouse-Hinds Process Safety Division, United Kingdom Original Manufacture)
  • Product Classification: DIN Rail Mounted Galvanically Isolated Intrinsic Safety Barrier & 4–20mA Signal Isolation Module for Hazardous Area Instrument Loop
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