This robust transfer module enables seamless data exchange between ABB control networks and external systems. The ABB INIIT13 acts as a communication bridge for plant-wide information integration. It transfers process variables, setpoints, and diagnostic data across different network boundaries. Control engineers select this module for its proven reliability in demanding industrial applications. Its compact design fits easily into existing ABB chassis configurations.
Technical Specifications Summary
| Parameter | Specification |
|---|---|
| Network Interface 1 | Infi-Net fieldbus, 2 Mbps communication rate |
| Network Interface 2 | RS-232-C serial port, 300 to 115.2 kbps |
| Network Interface 3 | RS-485 serial port, multidrop capability |
| Protocol Support | ABB Infi-Net, MODBUS RTU, DNP 3.0, and ASCII |
| Maximum Data Points | 500 analog and 1000 digital points per module |
| Update Rate | 250 ms for analog values, 50 ms for digital states |
| Buffer Memory | 2 MB for data queuing and protocol conversion |
| Event Log Capacity | 4000 time-stamped events with 10 ms resolution |
| Network Nodes Supported | Up to 16 Infi-Net devices per module |
| Dimensions (H x W x D) | 45 mm x 335 mm x 235 mm |
| Weight | 1.7 kg |
| Power Consumption | 22 W from +5 V DC backplane |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -25 °C to +70 °C |
| Relative Humidity | 5% to 95% non-condensing |
Communication Architecture and Protocol Handling
The module provides multiple communication interfaces for flexible system connectivity. One port connects directly to the Infi-Net fieldbus for accessing real-time control data. Two serial ports, RS-232-C and RS-485, interface with computers and serial devices. The ABB INIIT13 performs automatic protocol conversion between different network types. It translates Infi-Net data into MODBUS RTU, DNP 3.0, or simple ASCII formats. This translation happens in real-time without intervention from the main controller. The module supports up to 16 Infi-Net devices on its fieldbus connection. Consequently, it handles communication needs for small to medium distributed systems effectively.
Data Transfer and Processing Capabilities
For efficient data management, the module handles both analog and digital signals simultaneously. It transfers up to 500 analog values and 1000 digital states per module. Analog updates occur every 250 milliseconds for responsive process monitoring. Digital state changes reflect within 50 milliseconds for fast event detection. The onboard 2 MB memory buffer queues data during network traffic peaks. This buffer prevents data loss when communication links experience temporary congestion. The ABB INIIT13 also logs events with 10-millisecond resolution for sequence analysis. Users can retrieve this event log for troubleshooting and performance optimization.
Serial Communication and Device Connectivity
The serial interfaces offer versatile connectivity options for various external devices. The RS-232-C port supports standard point-to-point connections with computers and terminals. Baud rates range from 300 to 115.2 kbps for different application requirements. The RS-485 port enables multidrop connections with up to 32 devices on one network. This configuration suits multiple operator consoles or data loggers sharing the same link. Both serial ports include optical isolation for noise immunity and ground loop protection. Engineers can configure each port independently for different protocols and baud rates. This flexibility accommodates diverse system architectures and equipment types.
Mechanical Dimensions and Power Specifications
The transfer module features a compact, space-efficient design for chassis installation. It measures 45 millimeters in height, 335 millimeters in width, and 235 millimeters in depth. This footprint occupies one standard 7-slot position in the ABB rack. The unit weighs 1.7 kilograms, making it easy to handle during installation. Power consumption reaches 22 watts from the +5 V DC backplane supply. The module’s efficient design minimizes heat generation within the cabinet. All connectors feature screw-type terminals for secure and reliable field wiring.
Environmental Tolerance and Long-Term Operation
Industrial environments expose equipment to temperature fluctuations and electrical disturbances. The ABB INIIT13 operates reliably from 0 °C to 55 °C in control rooms. Storage temperatures range from -25 °C to 70 °C for shipping and warehousing. Relative humidity tolerance covers 5% to 95% without condensation issues. The module includes transient voltage suppression on all communication ports. This protection safeguards against surges from nearby inductive loads. Conformal coating on circuit boards resists moisture and airborne contaminants effectively. These robust features ensure continuous operation throughout the module’s extended lifecycle.
Details
| Weight | 1.7 kg |
|---|---|
| Dimensions | 45 × 335 × 235 mm |


