ABB 3BDH000320R02ABB LD800HSE Linking Device, Order Code 3BDH000320R02
ABB LD800HSE Linking Device, Order Code 3BDH000320R02 Core Function: Foundation Fieldbus H1 / HSE high-speed linking gateway module for ABB System 800xA & AC 800M DCS platforms. It aggregates up to four Foundation Fieldbus H1 fieldbus segments, converts H1 low-speed field device communication to high-speed HSE gigabit Ethernet backbone traffic, and enables seamless data exchange between field transmitters/actuators and AC 800M process controllers. It supports redundant HSE bus topology, MRP/HSR industrial ring redundancy protocols, and isolates fieldbus segments to prevent single-segment faults from collapsing the entire control network. It provides isolated 24VDC power distribution to connected H1 field segments and hosts diagnostic monitoring for bus load, short circuits, and device offl
Product Description
ABB LD800HSE Linking Device, Order Code 3BDH000320R02 Core Function: Foundation Fieldbus H1 / HSE high-speed linking gateway module for ABB System 800xA & AC 800M DCS platforms. It aggregates up to four Foundation Fieldbus H1 fieldbus segments, converts H1 low-speed field device communication to high-speed HSE gigabit Ethernet backbone traffic, and enables seamless data exchange between field transmitters/actuators and AC 800M process controllers. It supports redundant HSE bus topology, MRP/HSR industrial ring redundancy protocols, and isolates fieldbus segments to prevent single-segment faults from collapsing the entire control network. It provides isolated 24VDC power distribution to connected H1 field segments and hosts diagnostic monitoring for bus load, short circuits, and device offl
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3BDH000320R02 |
| Category | Industrial Automation |
| Full Official Name | ABB LD800HSE Linking Device, Order Code 3BDH000320R02 |
| Core Function | Foundation Fieldbus H1 / HSE high-speed linking gateway module for ABB System 800xA & AC 800M DCS platforms. It aggregates up to four Foundation Fieldbus H1 fieldbus segments, converts H1 low-speed field device communication to high-speed HSE gigabit Ethernet backbone traffic, and enables seamless data exchange between field transmitters/actuators and AC 800M process controllers. It supports redundant HSE bus topology, MRP/HSR industrial ring redundancy protocols, and isolates fieldbus segments to prevent single-segment faults from collapsing the entire control network. It provides isolated 24VDC power distribution to connected H1 field segments and hosts diagnostic monitoring for bus load, short circuits, and device offline alarms in the 800xA operator environment. Primary use cases: oil & gas refining, chemical plants, power generation, pulp & paper, water treatment process automation. |
| Width | 60 mm, Height: 120 mm, Depth: 100 mm |
| HSE Ethernet Link Loss | Damaged RJ45 port pins, faulty backbone Ethernet switch, broken CAT6 cable, or MRP ring topology misconfiguration; results in full loss of fieldbus data to the AC 800M controller. |
| Module Power Failure / No Status LEDs | Blown internal input fuse, loose 24VDC power terminal screws, or defective on-board DC-DC converter; complete loss of all fieldbus communication. |
| Intermittent Field Device Dropouts | Parasitic ground loops from missing H1 bus isolation, aging electrolytic filter capacitors inside LD800HSE, or excessive H1 bus load exceeding 32 devices per channel limit. |
| Unresponsive Module (Locked Firmware) | Corrupted internal firmware from unstable cabinet power surges; requires factory re-flashing of LD800HSE operating software. |
| Corroded Terminal Terminals | High-humidity industrial cabinets without climate control cause oxidation on H1 screw terminals leading to unstable signal transmission. |
| Direct OEM Equivalent (Drop-In 1 | 1 Replacement): 3BDH000320R02 LD800HSE – no superseding ABB factory part number; this is the exclusive original linking device for 4-channel H1/HSE conversion on System 800xA. |
| Channels | 4-channel |
| Mounting | Rack Mount |
| Mounting 2 | DIN rail |
| Speed | 1000 Mbps |
| Redundancy | supports redundant |
| Redundancy 2 | non-redundant |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |