Description
Overview
The ABB SPNIS21 Network Interface Module is the intelligent front-end for Cnet communication within the Symphony Plus system. Acting as a high-speed link between nodes, it enables seamless data exchange across distributed control networks. Designed to work in tandem with the SPNPM22 module, the SPNIS21 supports large-scale industrial systems with exceptional reliability and scalability.
Key Features
-
Serves as the primary interface for Cnet communication
-
Supports 10 MHz and 2 MHz communication rates for flexible deployment
-
Enables node-to-node communication across the entire Cnet infrastructure
-
Works in conjunction with the SPNPM22 module for full system integration
-
Supports over 62,000 nodes in a single system
-
Allows up to 250 Cnet-to-Cnet interface nodes and 250 mixed interface nodes
-
Compact design with three-dimensional mounting footprint
-
Operates reliably across a wide temperature range
-
Efficient power usage with +5 VDC at 4.1 W typical consumption
Technical Specifications
| Specification |
Details |
| Manufacturer |
ABB |
| Part Number |
SPNIS21 |
| Series |
Symphony Plus |
| Type |
Network Interface Module |
| Communication Rates |
Cnet: 10 MHz or 2 MHz |
| System Capacity |
62,000+ nodes; 250 interface nodes |
| Power Requirements |
+5 VDC at 825 mA; 4.1 W typical |
| Ambient Temperature |
0°C to 70°C (32°F to 158°F) |
| Dimensions |
35.56 mm × 177.80 mm × 298.45 mm |
| Weight |
0.7 kg |
| Compatibility |
Works with SPNPM22 module |
