June 02, 2026

4PP045.IF23-1 PP45 Interface Module

The 4PP045.IF23-1 is an extended communication interface module developed by B&R for the PP45 series Power Panel HMI devices. It adopts a compact plug-in design and can be directly installed in the dedicated expansion slot of PP45 series touch displays, realizing multi-protocol serial bus and CAN bus communication expansion. Integrated with three types of communication interfaces, this module features electrical isolation and network compatibility, which effectively enhances the data interaction capability between the host HMI and on-site sensors, actuators, PLCs and other third-party automation equipment. With a rugged industrial structure, it delivers excellent anti-interference, vibration resistance and long-term operational stability, and is suitable for expanding communication ports in harsh industrial environments such as machinery manufacturing, automated production lines and packaging equipment. The overall size matches the PP45 slot specification, with an IP20 protection grade for the module body, and it supports quick plug-and-play installation and replacement.

Description

4PP045.IF23-1 PP45 Interface Module

Product Overview

Basic Information

Manufactured in accordance with IEC international industrial electronic standards and B&R global quality control system, this interface module uses industrial-grade communication chips and isolation components, with flame-retardant and wear-resistant housing materials, ensuring reliable operation under long-term continuous working conditions. It is a dedicated functional accessory for PP45 series integrated HMI, and can be perfectly compatible with models including 4PP045.0571-042, 4PP045.0571-062 and 4PP045.0571-L42.

This module integrates one RS232 interface, one isolated RS422/RS485 interface and one isolated CAN bus interface. All differential signal ports are equipped with independent electrical isolation circuits to avoid equipment damage and signal distortion caused by ground potential difference and external electromagnetic interference. The RS232, RS422/RS485 signals share a unified connector, simplifying wiring and installation on site.

The module is powered by the PP45 host device without an additional power supply. It supports standard communication protocols and can be configured and diagnosed through B&R Automation Studio™ software. Before delivery, each module undergoes full tests including signal transmission test, isolation performance test and aging test to ensure consistent quality. The standard package does not include wiring terminal blocks; the mandatory supporting accessory 0TB704 terminal block needs to be ordered separately for normal wiring and use.

Function and Positioning

Positioned as a multi-functional communication expansion module for PP45 series HMI, the 4PP045.IF23-1 expands the single communication mode of the original host, and serves as a bridge for data transmission between the HMI and various field devices in industrial automation systems. It is applicable to both new equipment configuration and communication transformation of old production lines.

In terms of serial communication, the built-in RS232 interface supports point-to-point short-distance communication, which can connect serial printers, barcode scanners, small display terminals and other peripheral devices to realize data output and instruction interaction. The RS422/RS485 interface supports multi-point network communication, with a long transmission distance and strong anti-interference ability, and can form a field bus network to connect multiple slave devices such as remote sensors and frequency converters.

In terms of CAN bus communication, the isolated CAN interface complies with standard CAN protocols, supporting high-speed data transmission and real-time interconnection with CANopen and other CAN-based bus devices. It is widely used in equipment such as motion control units and distributed I/O modules. All interfaces support flexible protocol configuration, and users can switch communication modes according to on-site requirements.

Adopting a modular plug-in structure, the module can be quickly assembled and disassembled without disassembling the whole HMI, which greatly simplifies daily maintenance and replacement work and reduces equipment downtime. It can work cooperatively with the native Ethernet and X2X Link interfaces of the PP45 host to build a multi-bus hybrid communication system, meeting the complex data interaction requirements of medium and large automated production lines.

Core Performance Parameters

For communication performance, the RS232 interface supports a maximum transmission rate of 115.2 kbit/s, adopting standard serial communication protocol for point-to-point transmission. The RS422/RS485 interface has a maximum transmission rate of 115.2 kbit/s, with electrical isolation design, supporting multi-device networking and long-distance transmission. The CAN bus interface supports a maximum transmission rate of 1 Mbit/s, with isolation protection and network compatibility, conforming to international CAN bus standards. All interfaces have stable signal transmission and low bit error rate.

Regarding electrical performance, the module obtains working power from the PP45 main unit, with low power consumption and no additional power supply required. The signal circuit is equipped with surge protection and isolation circuits, which can resist instantaneous voltage surges and electromagnetic interference. The isolation voltage between different communication ports meets industrial safety standards, effectively avoiding cross-interference between signals.

For environmental adaptability, the allowable operating ambient temperature ranges from 0°C to +50°C, and the storage temperature ranges from -20°C to +60°C. It can operate normally under relative humidity of 10% to 90% non-condensing conditions, with good moisture-proof and mildew-proof performance. The module has passed industrial vibration and impact tests, and can adapt to conventional mechanical vibration in workshop environments. The internal circuit board is coated with conformal coating to enhance corrosion resistance and aging resistance.

In terms of mechanical characteristics, the overall structure is compact and lightweight, which matches the slot size of PP45 series HMI. The connection terminals are firm and durable, supporting repeated plugging and unplugging. The module body has an IP20 protection grade, suitable for installation inside industrial control cabinets.

General Matching Accessories

For electrical connection, the 0TB704 terminal block is a mandatory matching accessory, which is used for the wiring of RS232, RS422/RS485 and CAN bus signals. This terminal block complies with B&R unified industrial standards and must be purchased separately together with the module. Users can select screw-type or spring-cage type terminal blocks according to on-site wiring habits, and the two types are interchangeable.

Optional accessories include dedicated shielded communication cables. The original shielded cables have excellent anti-interference performance, which can ensure stable signal transmission in complex electromagnetic environments. When replacing cables, it is recommended to use original or fully compatible shielded cables to avoid signal attenuation and interference.

For daily maintenance, soft cleaning cloths and neutral cleaning agents are recommended for surface dust removal. It is strictly prohibited to use corrosive liquids or sharp tools to scratch the module surface and connectors. Spare modules of the same model can be stored for emergency replacement, and they should be placed in a dry, dust-free and constant-temperature environment. All supporting accessories have high versatility and are easy to procure.

Applicable Equipment and Fields

The 4PP045.IF23-1 is exclusively used for PP45 series Power Panel HMI products, including 4PP045.0571-042, 4PP045.0571-062, 4PP045.0571-L42 and other models. It is the core communication expansion accessory for such HMI, and can also be used as a replacement part for damaged interface modules.

It is widely applied in multiple industrial automation fields that require multi-protocol communication expansion, including general machinery manufacturing, automated assembly lines, packaging machinery, textile machinery, food processing equipment, printing machinery and water treatment systems. It is especially suitable for scenarios where the HMI needs to connect multiple types of serial devices and CAN bus devices at the same time.

The module can be installed in the control cabinet together with the PP45 HMI, adapting to conventional workshop environments with dust, moderate humidity and slight vibration. Whether it is new equipment supporting multi-bus communication or old production lines needing communication function upgrading, this interface module can provide stable and reliable communication expansion services, improving the flexibility and compatibility of the whole automation system.

Certification and Quality Description

The 4PP045.IF23-1 is manufactured in strict accordance with B&R’s quality management system and international industrial electrical safety standards. All production processes including component selection, circuit welding, module assembly, communication calibration and finished product testing adopt standardized operation specifications. Core communication chips and isolation components are sourced from qualified industrial-grade suppliers to guarantee inherent product quality.

Each production batch undergoes sampling tests such as high and low temperature cycle test, vibration durability test and long-term aging test. Every finished module must pass full inspection items including signal accuracy test, isolation performance test and insulation resistance test before leaving the factory. The product complies with EU CE certification and relevant electromagnetic compatibility and safety standards, and can be used in most regions around the world.

With mature industrial anti-interference and anti-aging technologies, the module features low failure rate and long service life under standard working conditions. The original manufacturer provides global after-sales services including technical consultation, installation guidance, configuration support and fault diagnosis. Verified by a large number of on-site applications worldwide, it is a stable and reliable communication expansion module for PP45 series HMI.

Ordering and Delivery Instructions

The complete ordering model is 4PP045.IF23-1. The product is supplied as brand new original goods, with a standard warranty period of 12 months. The standard delivery lead time is about 4–6 weeks, calculated from the date of order confirmation and advance payment receipt. Expedited service is available upon request with extra charges.

The standard package only contains the main module. The 0TB704 terminal block and communication cables required for wiring are not included and need to be ordered separately, and these accessories share the same delivery cycle as the main module. The goods are delivered via international logistics with traceable logistics information. It is recommended to confirm product authenticity, compatibility and warranty terms through formal authorized distributors before placing an order.

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