SPNPM21 ABB Intelligent network interface module Flexible
communication Efficient integration
ABB SPNIS21 is a high-performance intelligent network interface
module, specifically designed for power monitoring and energy
management systems. This module provides multiple communication
interfaces and supports protocols such as Modbus RTU/TCP, Profibus
DP and Ethernet/IP, and can be seamlessly integrated into existing
SCADA systems, building automation systems or other industrial
control systems. SPNIS21 can achieve comprehensive monitoring and
diagnosis of the power system, helping users optimize power usage
efficiency and enhance system reliability.
Product Overview: ABB SPNPM21
| ABB Order Code | SPNPM21 |
| Manufacturer Part Number | Typically referenced as SPNPM21 (part of the S800 I/O communication family) |
| System Compatibility | ABB AC 800M controllers with S800 I/O system in System 800xA |
| Communication Protocol | PROFIBUS DP (Decentralized Periphery) per IEC 61158 / EN 50170 |
| Operating Mode | Configurable as PROFIBUS DP Master (Class 1 or Class 2) or DP Slave |
| Data Rate | Adjustable from 9.6 kbps up to 12 Mbps (auto-negotiation supported) |
| Max Supported Devices | Up to 126 slave devices on a single segment (when configured as Master) |
| Physical Interface | RS-485 via 9-pin D-sub connector (male), isolated and protected |
| Galvanic Isolation | Yes – ≥500 V AC between field bus and system backplane |
| Mounting | Installs directly onto standard S800 I/O baseplates (e.g., TB840 or TB850) |
| Operating Temperature | 0°C to +60°C |
| Certifications | CE, UL, CSA, IEC 61000-6-2/4 (EMC), IEC 61131-2 (industrial
environment) |
Product Images
Related Products
| SPNPM01 | SPNPM02 |
| SPNPM03 | SPNPM04 |
| SPNPM05 | SPNPM06 |
| SPNPM07 | SPNPM08 |
| SPNPM09 | SPNPM10 |
| SPNPM11 | SPNPM12 |
| SPNPM13 | SPNPM14 |
| SPNPM15 | SPNPM16 |
| SPNPM17 | SPNPM18 |
| SPNPM19 | SPNPM20 |
