Technical Specifications and Communication Interface
The ABB 3BSE016347R1 communication module, also known as CI631, serves as a high-performance CANopen master interface for the Symphony® Plus DCS and AC 800M control platforms . This module enables reliable data exchange between the ABB DCS system and field devices supporting the CANopen protocol . It supports standard CANopen protocols based on CAN 2.0B, compatible with CiA (CAN in Automation) specifications, and manages up to 127 nodes on the CANopen network . The module communicates with the AC 800M controller via a high-speed S-bus to ensure real-time synchronization of control instructions and device status feedback . Its dimensions measure approximately 40 mm x 125 mm x 115 mm, and it weighs about 0.25 kg .
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | 3BSE016347R1 |
| Product Name | CI631 |
| Product Family | Symphony® Plus / AC 800M |
| Module Type | CANopen Master Communication Module |
| Network Interface | 1 x CANopen channel (9-pin D-Sub male connector) |
| Communication Rates | 125 kbps, 250 kbps, 500 kbps, 1 Mbps |
| Maximum Nodes | 127 slave devices (Node ID 1–127) |
| Maximum Bus Length | 500 m (at 125 kbps), 40 m (at 1 Mbps) |
| Supported Protocols | CANopen (DS-301, DS-401, DS-402), CAN 2.0B |
| Data Exchange Modes | PDO, SDO, NMT |
| Backplane Communication | S-bus with AC 800M controller |
| Power Supply | 24V DC (via backplane) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Dimensions (W x H x D) | 40 x 125 x 115 mm |
| Weight | Approximately 0.25 kg |
| Installation | Standard DIN rail or S800 I/O rack |
| Protection Degree | IP20 |
| Product Status | Active |
Functional Capabilities and CANopen Integration
The 3BSE016347R1 module actively manages the entire CANopen network as an NMT master, controlling startup, stop, and error handling for all connected devices . It uses PDO (Process Data Objects) for high-speed, real-time data exchange such as position, speed, torque, and I/O status, meeting the demanding timing requirements of motion control applications . SDO (Service Data Objects) handles non-real-time parameter reading, writing, and device configuration for diagnostics and maintenance tasks . The module supports multiple standard device profiles, including DS-402 for motion control and DS-401 for general I/O, ensuring interoperability with devices from different manufacturers . Its robust design and strong electromagnetic interference resistance allow it to operate reliably in complex industrial environments . Moreover, the module’s hot-swap capability permits module replacement during system operation, significantly improving maintenance efficiency .
Application Scenarios
This communication module suits industrial applications requiring integration with CANopen field devices within a Symphony® Plus DCS environment. It excels in packaging machinery, printing equipment, material handling systems, building automation, and test benches where motion control and device interoperability are critical . The ABB CI631 integrates seamlessly with servo drives, stepper motor controllers, intelligent sensors, and remote I/O modules . Many facilities rely on this module to build multi-vendor, multi-protocol hybrid automation systems without requiring additional protocol conversion gateways .
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