Schneider STBNCO2212 Standard Network Interface Module
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Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Name | Standard Network Interface Module |
| Model | STBNCO2212 |
| Product Range | Modicon STB Distributed I/O Solution |
| Module Type | CANopen Network Interface Module |
| Communication Protocol | CANopen, CIA DS-301 |
| Network Structure | CAN Fieldbus |
| Maximum Transmission Rate | 1 Mbit/s |
| Transmission Rate and Bus Length | 1 Mbit/s at 30 m; 10 kbit/s at 5000 m |
| Number of Network Segments | 1 primary segment, up to 6 extension segments |
| Maximum Number of Slaves | 127 |
| Addressable I/O Modules | 0–32 per island |
| Communication Services | SDO, NMT, PDO |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.2–30 V DC |
| Power Supply Type | SELV |
| Input Current | 430 mA for the supply circuit |
| Logic Bus Output Voltage | 5.25 V DC ±0.21% |
| Nominal Output Current | 1.2 A; 0.575 A at 60–70°C |
| Network Connector | 9-pin male SUB-D connector |
| Configuration Interface | RS-232 |
| Additional Interface | 8-way female HE-13 connector |
| Status Indicators | Green CAN RUN, RUN and PWR LEDs; red CAN ERR and ERR LEDs; yellow TEST LED |
| Protection Rating | IP20 |
| Operating Temperature | 0–60°C without derating; -25–70°C with derating |
| Maximum Operating Altitude | 2000 m |
| Overvoltage Category | II |
| Pollution Degree | 2 |
| Certifications | CE, UL, CSA, ATEX Category 3G, FM Class I Division 2, C-Tick |
| Dimensions | 40 × 128.3 × 70 mm |
| Weight | 0.135 kg |
FAQ
Q1: What is the main function of the Schneider Electric STBNCO2212?
The STBNCO2212 is a standard network interface module for the Modicon STB distributed I/O system. It connects an STB I/O island to a CANopen fieldbus network, allowing a compatible controller to exchange process data and manage distributed I/O devices.
Q2: Which communication protocol does the STBNCO2212 support?
The module supports CANopen communication based on CIA DS-301. It uses Process Data Objects (PDO) for process data exchange, Service Data Objects (SDO) for configuration and parameter access, and Network Management (NMT) services for managing network nodes.
Q3: Why does the STBNCO2212 fail to communicate with the PLC?
Check the CANopen network wiring, connector condition, node addresses, baud rate, and network termination. Confirm that the PLC or CANopen master is configured correctly and that the module receives a stable 24 V DC supply. The CAN RUN and CAN ERR indicators can help identify network startup or communication problems.
Q4: What should be checked if the CAN ERR LED is illuminated?
Inspect the CANopen cable and connectors for loose contacts, incorrect wiring, or damage. Verify that the configured communication speed and node settings match the network master. Also check bus termination and whether the expected network nodes are powered and responding. Review the controller’s diagnostic information before replacing the module.
Q5: How many I/O modules and network devices can the STBNCO2212 support?
The module supports up to 32 addressable I/O modules per STB island and a network configuration of up to 127 slave devices. The island can include one primary segment and up to six extension segments. Actual system capacity depends on the network architecture and the compatibility of the connected devices.
Q6: What does the RUN LED indicate when the I/O island does not operate normally?
The green RUN LED indicates the operating state of the I/O island. If the island does not enter the expected operating state, check the network interface status, module installation, power supply, and configuration. The CAN RUN, PWR, ERR, and TEST indicators should be reviewed together to narrow down the cause.
Q7: What power supply requirements should be checked when installing the STBNCO2212?
The module uses a nominal 24 V DC supply and accepts an input range of 19.2–30 V DC. Confirm that the supply is suitable for SELV applications and that the wiring and grounding arrangement follow the system installation requirements. An unstable supply or poor connection can cause startup problems and communication interruptions.
Q8: What should be verified before replacing an STBNCO2212?
Confirm the replacement model, mounting arrangement, CANopen network settings, node configuration, and connector compatibility. Record the existing network parameters before removing the original module. After installation, verify the supply voltage, check the status LEDs, confirm communication with the network master, and test I/O data exchange before returning the system to normal operation.
Schneider STBNCO2212 Standard Network 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.
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