HD67522-232-B2 Industrial Modbus TCP to Modbus ASCII RS232 DIN Rail Converter

Industrial Modbus TCP to Modbus ASCII converter, housing type B, DIN rail mount.

The HD67522 is a Modbus TCP / Modbus ASCII Converter and it allows you to connect a Modbus TCP network with a Modbus ASCII network in order to exchange the informations between the networks. The device provides a transparent protocol bridge, enabling modern Ethernet-based PLCs, SCADA or data loggers to read from and write to legacy instruments that still speak Modbus ASCII over RS232. The rugged housing type B offers extra room for wiring and enhanced mechanical robustness versus slim enclosures, which is valuable in cabinets with dense cabling or where vibration can occur. Thanks to its compact DIN layout and low power footprint, the gateway fits easily into both greenfield and retrofit projects without changes to existing control logic.

Specifications:

• Ports: 1x Ethernet; 1x RS232
• Data Rates Modbus ASCII: Up to 115200 bps
• Data Rates Modbus TCP: 10/100 Base-T Autosensing
• Modbus ASCII connector: D-SUB 9 Male
• Modbus TCP Connector: RJ45
• Power Supply: 8...19VAC; 8...35VDC
• Operating temperature: -40°C to 85°C
• Dimensions: 71x60x95 mm
• Weight: 200g approx
• Mechanical fixing: DIN Rail mount
• SOFTWARE: SW67522
• ORDER CODE: HD67522-232-B2

Beyond the core specs, the RS232 D-SUB 9 male interface ensures quick connection to common meters, drives and legacy controllers without custom cabling, while the RJ45 Ethernet port with 10/100 autosensing simplifies integration into mixed IT/OT networks. The wide AC/DC input range (8…19VAC / 8…35VDC) eases power engineering in brownfield panels and allows the unit to share supplies with existing PLC racks or auxiliary PSUs. An extended operating range of -40°C to +85°C supports reliable 24/7 operation in harsh environments such as outdoor kiosks, rooftops, chillers or plant rooms. The compact 71×60×95 mm footprint of the type-B enclosure provides better strain relief and cable bend radius, helping maintain signal integrity on RS232 lines in noisy environments.

Configurator – Software SW67522 FREE DOWNLOAD

In typical deployments the HD67522-232-B2 acts as a bridge for instrumentation upgrades—for example, connecting legacy Modbus ASCII analyzers, energy meters or weighers to new Modbus TCP SCADA without replacing field devices. Engineers can map ASCII registers to TCP holding/input registers on the supervisory side, enabling centralized trending, alarming and remote setpoint changes. The converter helps preserve existing investments while standardizing data access on Ethernet. In OEM machines, it enables a single Ethernet service port to reach RS232 subsystems for diagnostics. Maintenance teams benefit from simplified spares (one gateway for many ASCII devices) and reduced commissioning time, since the gateway’s behavior is deterministic and independent from PLC brands. Its DIN rail mounting, low mass and robust case minimize installation effort; once powered, the device operates continuously with low energy consumption, supporting mission-critical applications in industry and building automation.

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