| Parameter | Specification |
| Model Number | INNIS21 |
| Manufacturer | ABB (Bailey) |
| Module Type | Network Interface Module (NIM) |
| System Compatibility | INFI 90 / Symphony Plus |
| Data Transfer Rate | 2 Mbps / 10 Mbps (Depending on Bridge) |
| Power Requirements | +5 VDC @ 1.5 A (Typical) |
| Interface Ports | Dual redundant Cnet serial ports |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Relative Humidity | 5% to 95% (Non-condensing) |
| Mounting | Standard INFI 90 Module Mounting Unit |
The ABB INNIS21 functions as the primary communication gateway between the INFI 90 Controlway and the Plant Loop or Cnet. This module manages high-speed data exchange, ensuring seamless integration between local process controllers and the broader network architecture. It handles message formatting, error checking, and redundant path switching to maintain system integrity in demanding industrial environments.
Product Q&A
Q: What is the primary function of the INNIS21 module? A: It acts as an interface that allows functional processor modules on a local bus to communicate with other nodes across the entire system network.
Q: Does the INNIS21 support redundancy? A: Yes, it is designed to work in redundant configurations to ensure continuous network connectivity if a primary path fails.
Q: Is the INNIS21 compatible with older Bailey 800 systems? A: It is primarily designed for INFI 90 and Symphony systems; however, compatibility depends on the specific firmware and bus transition modules used in the cabinet.
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