HD2-DM-A Industrial Automation Module

Product parameters

Power supply: Rated voltage 19.2... 35 V DC, rated current 110... 30 mA, power dissipation ≤ 2 W, ripple ≤ 10%.

Interface (Diagnostic) : Plug-in module interface, supporting 4 segments (segments), connected to the Fieldbus Power Hub via the motherboard, compatible with screw or spring terminals.

Performance indicators: High diagnostic accuracy (passive measurement circuit), support for voltage, current, noise and impedance monitoring, response time < 1 ms, configurable maintenance and over-limit threshold (via DIP switch), LED indication of over-threshold status.

Isolation and Safety: Input/output function isolation (1.5kV), protection class IP20, in compliance with SIL 2/3 (IEC 61508), electromagnetic compatibility complies with EN 61326-1:2013.

Certification: CE, ATEX (II 3G Ex nA IIC T4 Gc), IECEx, cULus, DNV maritime certification, compliant with 2014/34/EU (Equipment Directive) and EN 60079 series, installed in Zone 2/Class I, Div.2.

Mechanical parameters: Dimensions 18 x 108 x 128 mm (width x height x depth), weight approximately 100 g, installed on the Fieldbus Power Hub motherboard, ambient temperature -40... 70 °C, humidity 5... 95% (non-coagulated).

Function

It provides comprehensive diagnosis of the physical layer and power supply of the field bus, including voltage, current, noise level and impedance measurement, and supports independent monitoring of four segments.

Precise and non-intrusive measurement is achieved through passive circuits, facilitating debugging, online monitoring and troubleshooting without the need for engineering configuration (plug and play).

Supports configurable thresholds (DIP switches), with LED indicators indicating maintenance or specification limits, facilitating preventive maintenance.

Compatible with FOUNDATION Fieldbus H1 and PROFIBUS PA, it supports hot-swapping and redundant configuration to enhance system availability.

Integrated into the FieldConnex Power Hub system, it provides advanced diagnostic data and facilitates integration with the control system.

Application scenarios

HD2-DM-A is widely used in process industries such as petrochemicals, pharmaceuticals, oil refining and mining, and is suitable for explosive hazard areas in Zone 2 or Class I, Div. 2. It is used to monitor the health status of the field bus segment (such as sensor and actuator networks), support real-time diagnosis and fault prediction, and ensure the stable operation of the system. The equipment complies with ATEX, IECEx, cULus and DNV certifications, and is suitable for the field bus infrastructure of large process plants, supporting preventive maintenance and IIoT applications in Industry 4.0.

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