Weidmuller 8965460000 ACT20X-2SAI-2HAO-S ACT20X Series Current Output Isolator

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Производитель: Weidmuller
Номер продукта: 8965460000
Страна происхождения:Германия
Тип продукта: Current Output Isolators
Оплата: Т/Т, Western Union
Вес: 1300г
Размеры: 117.2 mm x 22.5 mm x 113.6 mm
Порт отгрузки: Сямынь
Гарантия: 12 месяцев

Operating as an essential barrier in hazardous process environments, the Weidmuller 8965460000 ACT20X-2SAI-2HAO-S provides high-integrity galvanic isolation and signal conversion for analog current loops. This dual-channel module isolates and converts standard current signals, ensuring safe and precise transmission between field devices in explosive atmospheres and safe-area control systems. Configured via standard FDT/DTM software, it delivers an exceptional accuracy of less than 0.1% of span and a rapid step response time of 5 milliseconds or less, making it highly suitable for critical control loops.

Key Features

Dual-channel isolation (2SAI-2HAO) for space-saving DIN-rail density.
Comprehensive diagnostic alarm functions for signal limit violations, input line interruptions, power loss, and internal device errors.
Integrated alarm relay output supporting nominal switching voltages up to 125V AC or 110V DC.
Software-driven parameterization using FDT/DTM frameworks for precise calibration and monitoring.
Robust IP20 housing with secure screw connection terminals for reliable field wiring.

Industrial Applications

Intrinsically safe signal isolation in chemical and petrochemical processing plants.
Field instrument coupling in oil and gas extraction and refining facilities.
Analog signal conditioning in municipal water and wastewater treatment systems.
Distributed Control System (DCS) and PLC analog I/O protection in heavy manufacturing.

Technical Specifications

Parameter	Specification Value
Manufacturer	Weidmuller
Article Number / SKU	8965460000
Model Designation	ACT20X-2SAI-2HAO-S
Supply Voltage Range	19.2...31.2 V DC
Power Consumption	<= 1.8 W
Measurement Accuracy	< 0.1% of span
Step Response Time	<= 5 ms
Temperature Coefficient	< 0.01% of span / degC (TU)
Alarm Relay Output	Signal limit exceeded, Line interruption, Supply failure, Device error
Nominal Switching Voltage	<= 125 V AC / 110 V DC
Continuous Current Rating	<= 0.5 A AC / 0.3 A DC
Connection Type	Screw connection
Protection Class	IP20
Operating Humidity	0...95% (non-condensing)
Net Weight	0.212 kg
Shipping Weight (Calculated)	1.300 kg
Dimensions (H x W x D)	117.2 mm x 22.5 mm x 113.6 mm

Empirical Engineering Insights

Alternative Models & Compatibility

The ACT20X-2SAI-2HAO-S is a direct fit for applications requiring dual-channel analog isolation with intrinsic safety ratings. When upgrading older ACT20M or non-Ex isolators, verify that the DIN rail spacing accommodates the 22.5 mm width of this module. Ensure that the latest Weidmuller DTM library is installed in your FDT frame application (such as WI-Manager) to recognize the firmware revision of this device.

Application Pitfalls & Engineering Notes

When installing multiple ACT20X modules side-by-side in high-density control enclosures, calculate the cumulative thermal load. Each module dissipates up to 1.8W under full load. Maintain a minimum clearance or ensure active panel ventilation if ambient temperatures inside the cabinet regularly exceed 50 degC. Note that while the integrated alarm relay is rated for 125V AC, inductive loads must be equipped with external flyback diodes or RC snubbers to prevent contact welding.

Commissioning & Wiring Tips

Configuration must be performed using the dedicated Weidmuller interface cable connected to the front-panel service port. To prevent ground loops and potential damage to your configuration PC, do not connect field-side wiring while the USB configuration cable is active. Always ensure that the field-side intrinsically safe wiring is physically segregated from non-intrinsically safe wiring in compliance with local electrical codes (e.g., NEC Article 504 or EN 60079-14).

Installation Guidelines

CRITICAL WARNING

De-energize all power sources before mounting, wiring, or configuring this device. Verify that no explosive atmospheres are present before opening the enclosure or connecting configuration interfaces. Failure to follow intrinsically safe installation protocols can result in electrical discharge, equipment destruction, or catastrophic ignition in hazardous areas.

Snap the module securely onto a standard TS 35 DIN rail. Ensure the metal rail-clip on the back of the module makes solid contact with the grounded DIN rail.

Connect the 24V DC power supply to the designated terminals, observing correct polarity (19.2...31.2 V DC range).

Wire the intrinsically safe field inputs and safe-area outputs to the screw terminals according to the system schematic, ensuring correct torque is applied to the terminal screws.

Connect the configuration interface to parameterize the alarm thresholds, input ranges, and fault-state behaviors using the FDT/DTM software.

Key Features:

#Current Output Isolators #Weidmuller ACT20X Series

What is the primary function of the Weidmuller 8965460000 isolator?

It provides galvanic isolation and signal conditioning for dual-channel analog current loops, specifically designed to interface intrinsically safe field devices in hazardous areas with safe-area control systems.

How is the ACT20X-2SAI-2HAO-S configured?

Configuration is performed via standard FDT/DTM software (such as Weidmuller WI-Manager) using a dedicated USB configuration cable connected to the front service port.

What diagnostic conditions trigger the integrated alarm relay?

The alarm relay is triggered by signal limit violations, input line interruptions, loss of supply voltage, or internal device errors.

Can this module be mounted side-by-side without spacing?

Yes, but because each module dissipates up to 1.8W, you must monitor the cumulative thermal load inside the enclosure to ensure ambient temperatures do not exceed the rated operating limits.

Глобальная экспресс-доставка

Стандартная доставка: 4-6 рабочих дней через DHL, FedEx и UPS.
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Weidmuller 8965460000 ACT20X-2SAI-2HAO-S ACT20X Series Current Output Isolator