ABB 3BDH000320R02 LD 800HSE EX excitation system input/output module

####Product Overview
ABB 3BDH000320R02 LD 800HSE EX is a high-performance fieldbus link device designed specifically for industrial automation and process control systems. It serves as a gateway between H1 links and HSE subnets, supporting the Foundation Fieldbus (FF) protocol, and is widely used in industries such as petroleum, chemical, pharmaceutical, and power.
####Technical specifications
-* * Size and weight * *:
-Dimensions: 47 mm x 131 mm x 111 mm (installed on a 35 mm DIN rail).
-Weight: Approximately 0.4 kg.
-Working temperature: 0 ° C to+55 ° C (non vertical installation and obstruction of air convection may lower the upper temperature limit).
-Storage temperature: -20 ° C to+70 ° C.
-Relative humidity: 0% to 95%, non condensing.
-* * Communication interface * *:
-Ethernet interface: 10BASE-T/100BASE-TX, RJ45, transmission rate of 10 Mbit/s or 100 Mbit/s (adaptive).
-H1 bus interface: 4 channels, FF H1 3-pole screw terminal (pluggable), transformer coupling, current isolation.
-Serial port: 9-pole SubD male RS-232, transmission rate 115.2 kbit/s.
-* * Power Supply * *: External 24V DC power supply.
-* * Certification * *:
-CE certification, compliant with EMC directives 2004/108/EG (electromagnetic compatibility), 2006/95/EG (low voltage), and 94/9/EG (ATEX).
-Hazardous Area Certification: UL Class I, Division 2, Groups A, B, C, D; IECEx Ex nA IIC T4 Gc； ATEX II 3G Ex nA IIC T4 Gc。

####Functional Features
-* * High performance communication * *: Supports up to 4 H1 links and connections to HSE subnets.
-* * Redundant Configuration * *: Supports redundant configuration to ensure high availability and reliability of the system.
-Flexible Configuration: Supports transparent configuration and allows access to H1 devices from the host system.
-* * Data replication * *: Supports data replication from one H1 link to another H1 link, or from H1 to HSE.
-Environmental adaptability: Suitable for harsh industrial environments, with a protection level of IP20.

####Application scenarios
-Industrial Automation: Used for process automation, manufacturing automation, building automation, and energy management systems.
-Dangerous Area: Suitable for Class II 3G area, Ex nA IIC T4 Gc certification, suitable for potentially explosive gas environments.