Designed for decentralized industrial automation, the Beckhoff IP2021-B730 is a rugged fieldbus module that interfaces eight digital outputs directly within hostile environments via the Modbus RTU/ASCII protocol. This unit eliminates the need for protective control cabinets by integrating an IP67-rated polyamide enclosure, making it ideal for distributed mounting directly onto machinery and processing systems. With M8 screw-type connections for outputs and a robust M12 RS485 communication interface, it ensures high signal integrity and rapid integration into existing Modbus networks.
| Parameter | Value |
|---|---|
| Manufacturer | Beckhoff |
| Model Number | IP2021-B730 |
| Product Type | Fieldbus Box |
| Number of Outputs | 8 |
| Output Connections | M8, screw type |
| Nominal Output Voltage | 24 V DC (-15 % / +20 %) |
| Max. Output Current | 2 A per channel (individual short-circuit proof, total sum max 4 A) |
| Protocol | Modbus RTU / Modbus ASCII |
| Bus Interface | 1 x M12 socket, 5-pin, B-coded |
| Data Transfer Rates | 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 baud |
| Power Supply Connection | Feed: 1 x M8 male socket (4-pin); Downstream: 1 x M8 female socket (4-pin) |
| Current Consumption from Us | 45 mA + sensor current (max. 0.5 A) |
| Process Image Bit Width | 8 outputs |
| Operating Temperature | 0 to 55 degC |
| Storage Temperature | -25 to 85 degC |
| Protection Class | IP65 / IP66 / IP67 (conforms to EN 60529) |
| Housing Material | PA6 (polyamide) |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Weight | approx. 210 g |
| Shipping Weight (Calculated) | 2.0 kg |
| Approvals | CE, UL |
The IP2021-B730 operates as a standalone Modbus slave node and does not support IP-Link extension modules (denoted by the extension module parameter omission in OEM documentation). If downstream expansion is required, consider moving to the IL230x series coupling modules.
While each channel is capable of switching a 2 A load, the cumulative current limit across all eight channels is capped at 4 A total due to the thermal dissipation limits of the compact, sealed polyamide housing. Driving multiple inductive or lamp loads near the 2 A peak simultaneously will cause thermal overload, triggering the internal electronic circuit protection.
Any changes made to the rotary address selection switches will not register dynamically. A full system power cycle (disconnecting and reconnecting both the logic supply Us and auxiliary/load supply Up) is mandatory for the hardware to initialize the new Modbus address.
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Returns & Warranty
Manufacturer: BECKHOFF
Product No.: IP2021-B730
Country of origin:Germany
Product Type: Fieldbus Box Modules
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 30 mm x 175 mm x 26.5 mm
Shipping port: Xiamen
Warranty: 12 months
Designed for decentralized industrial automation, the Beckhoff IP2021-B730 is a rugged fieldbus module that interfaces eight digital outputs directly within hostile environments via the Modbus RTU/ASCII protocol. This unit eliminates the need for protective control cabinets by integrating an IP67-rated polyamide enclosure, making it ideal for distributed mounting directly onto machinery and processing systems. With M8 screw-type connections for outputs and a robust M12 RS485 communication interface, it ensures high signal integrity and rapid integration into existing Modbus networks.
| Parameter | Value |
|---|---|
| Manufacturer | Beckhoff |
| Model Number | IP2021-B730 |
| Product Type | Fieldbus Box |
| Number of Outputs | 8 |
| Output Connections | M8, screw type |
| Nominal Output Voltage | 24 V DC (-15 % / +20 %) |
| Max. Output Current | 2 A per channel (individual short-circuit proof, total sum max 4 A) |
| Protocol | Modbus RTU / Modbus ASCII |
| Bus Interface | 1 x M12 socket, 5-pin, B-coded |
| Data Transfer Rates | 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 baud |
| Power Supply Connection | Feed: 1 x M8 male socket (4-pin); Downstream: 1 x M8 female socket (4-pin) |
| Current Consumption from Us | 45 mA + sensor current (max. 0.5 A) |
| Process Image Bit Width | 8 outputs |
| Operating Temperature | 0 to 55 degC |
| Storage Temperature | -25 to 85 degC |
| Protection Class | IP65 / IP66 / IP67 (conforms to EN 60529) |
| Housing Material | PA6 (polyamide) |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Weight | approx. 210 g |
| Shipping Weight (Calculated) | 2.0 kg |
| Approvals | CE, UL |
The IP2021-B730 operates as a standalone Modbus slave node and does not support IP-Link extension modules (denoted by the extension module parameter omission in OEM documentation). If downstream expansion is required, consider moving to the IL230x series coupling modules.
While each channel is capable of switching a 2 A load, the cumulative current limit across all eight channels is capped at 4 A total due to the thermal dissipation limits of the compact, sealed polyamide housing. Driving multiple inductive or lamp loads near the 2 A peak simultaneously will cause thermal overload, triggering the internal electronic circuit protection.
Any changes made to the rotary address selection switches will not register dynamically. A full system power cycle (disconnecting and reconnecting both the logic supply Us and auxiliary/load supply Up) is mandatory for the hardware to initialize the new Modbus address.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|
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