Schneider STBAHI8321KC HART Interface Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | Schneider Electric STBAHI8321KC HART Interface Module |
| Brand | Schneider Electric |
| Model | STBAHI8321KC |
| Product Series | Modicon STB Distributed I/O |
| Product Type | 4-Channel HART Interface Kit |
| Number of Channels | 4 HART channels |
| Main Function | Enables communication with HART-compatible field instruments |
| Rated Supply Voltage | 24 V DC |
| Operating Voltage Range | 19.2–30 V DC |
| Logic Bus Current Consumption | 400 mA at 5.25 V DC |
| Communication Protocol | HART, versions 5, 6, and 7 |
| Signal Filtering | Passive filter, 3 dB at 25 Hz |
| Channel-to-Channel Insulation | Greater than 30 V DC |
| Protection | Reverse-polarity protection |
| Status Indicators | Green RDY LED, red ERR LED, and four channel status LEDs |
| Supported Functions | Hot swapping, virtual placeholder, I/O mapping |
| Compatible Mounting Base | STBXBA3000 |
| Kit Contents | STBAHI8321 module, STBXBA3000 base, STBXTS215018 spring-clamp terminal connector |
| Operating Temperature | 0–60°C |
| Storage Temperature | -40–85°C |
| Relative Humidity | Up to 95%, non-condensing |
| Protection Rating | Verify the applicable system documentation |
| Dimensions | 27.8 × 75.5 × 128.3 mm |
| Weight | 0.11 kg |
| Product Status | Discontinued; confirm availability and service support before ordering |
FAQ
Q1: What is the main function of the Schneider STBAHI8321KC HART Interface Module?
A: The STBAHI8321KC provides a communication interface for HART-compatible field instruments in a Modicon STB automation system. It allows HART digital communication to be accessed alongside compatible analog I/O signals for instrument monitoring and diagnostics.
Q2: How many HART instruments can one STBAHI8321KC support?
A: Each module supports four HART channels, allowing communication with up to four compatible instruments. A properly configured HART multiplexer island can support multiple modules, subject to the network interface and system configuration.
Q3: Which HART protocol versions are supported?
A: The STBAHI8321 module supports HART protocol versions 5, 6, and 7. Confirm the field instrument’s protocol version and system configuration before commissioning.
Q4: Which mounting base is required for the STBAHI8321KC?
A: The kit includes the STBXBA3000 mounting base and STBXTS215018 spring-clamp terminal connector. Check the island layout and wiring instructions before installation.
Q5: Why might the STBAHI8321KC fail to communicate with a HART instrument?
A: Possible causes include incorrect wiring, insufficient loop current, a missing or incorrectly installed external resistor, an incompatible instrument, or an incorrect system configuration. Check the wiring diagram, loop conditions, and module status LEDs.
Q6: What do the RDY, ERR, and channel status LEDs indicate?
A: The green RDY LED indicates module status, while the red ERR LED indicates a module error. The four channel LEDs show the status of individual HART channels. Use the system diagnostics and product documentation to identify the specific cause of an abnormal indication.
Q7: Can the STBAHI8321KC be hot-swapped?
A: The module supports hot swapping under supported system configurations. However, some applications, including ATEX installations, may prohibit hot swapping. Follow the applicable Modicon STB installation instructions and site safety procedures before removing or installing the module.
Q8: Is the STBAHI8321KC still available, and what should I check before buying a replacement?
A: Schneider Electric has discontinued the STBAHI8321KC, and the manufacturer does not list a direct replacement. Before purchasing, verify stock availability, the condition of the module, the included base and connector, compatibility with the existing network interface module, and ongoing technical support options.
Schneider STBAHI8321KC HART Interface Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








