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Product Overview
The ABB SPNPM22 is a Network Processing Module used in ABB Symphony Plus Harmony Rack communication architecture. It functions as the gateway between the Cnet control network and Controlway, maintaining the Harmony Control Unit database and directing communication between Controlway modules and the SPNIS21 network interface module. ABB identifies the SPNPM22 as a communication module for Symphony Plus HR Series systems.
The module is particularly relevant to DCS communication infrastructure where controller data must move reliably between the Cnet network and rack-level processing components. ABB documentation specifies 8 MB DRAM, 512 KB NVRAM, 2 MB flash ROM, a mini-USB diagnostic port, and typical power consumption of 10 W at +5 VDC.
Technical Specifications — ABB SPNPM22
| Parameter | Value | ||
|---|---|---|---|
| Product Model | SPNPM22 | ||
| Manufacturer | ABB | ||
| Product Type | Network Processing Module | ||
| System Family | Symphony Plus / Harmony Rack | ||
| Primary Function | Cnet-to-Controlway network processing | ||
| Memory | 8 MB DRAM, 512 KB NVRAM, 2 MB Flash ROM | ||
| Power | +5 VDC, 2 A; 10 W typical | ||
| Communication / Protocol | Cnet, Controlway, Modulebus | ||
| Communication Rates | Controlway: 1 Mbaud; Modulebus: 83.3 kbaud | ||
| Diagnostic Interface | 1 mini-USB diagnostic port | ||
| Operating Temperature | 0 to 70 °C | ||
| Dimensions (H × W × D) | Approx. 360.68 × 279.4 × 73.66 mm | ||
| Weight | Approx. 0.3 kg | ABB | SPDSI22 |
| ABB | SPBRC400 | ||
| ABB | SPASO11 | ||
| Mounting | Harmony Rack | ||
| Associated Module | SPNIS21 | ||
| Compliance | System and application dependent |
ABB states that the SPNIS21 works together with this network processing module to provide Cnet access to Harmony control units.
ABB SPNPM22
Key Features and Benefits — SPNPM22
- Network processing for ABB Symphony Plus Harmony Rack systems.
- Provides the gateway between Cnet and Controlway.
- Maintains the Harmony Control Unit database.
- Directs communication between Controlway modules and the SPNIS21.
- Includes dedicated diagnostic connectivity through a mini-USB port.
- Designed for industrial DCS communication and long-life automation infrastructure.
- ABB documentation identifies the module as part of the HR Series communication architecture.
From a maintenance standpoint, the communication role makes this a sensible strategic spare. A failure can affect network-level controller communication even when individual I/O modules remain operational.
Related Models
ABB SPNIS21 — Network interface module that provides the Cnet connection and operates together with the SPNPM22.
ABB INNPM22 — Earlier INFI 90 designation; ABB documentation identifies the SPNPM22 as a fit-and-function replacement for INNPM22 in the applicable architecture.
ABB SPIIT13 — Local transfer module used for communication between local Cnets in the Symphony Plus communication architecture.
ABB SPIET800 — INFI-Net-to-computer transfer module providing Ethernet-based host-computer communication.
Installation and Maintenance — SPNPM22
Before replacement, verify the rack position, module identification, associated SPNIS21 interface, Controlway connections, and installed system configuration. Record diagnostic information and communication status before removing the existing module.
Use ESD precautions when handling the electronic assembly. Inspect connectors and the rack interface for contamination, corrosion, or mechanical damage. After installation, verify module diagnostics, Cnet communication, Controlway communication, and controller data exchange before returning the system to normal service.
Forwarehouse storage, keep the module in anti-static packaging and maintain records for part number, revision, serial number, inspection status, and storage conditions. The module includes a lithium button-cell battery according to ABB product data, so storage and disposal should follow applicable site requirements.
Product Warranty — SPNPM22
Warranty coverage depends on the supplier and item condition. New, surplus, refurbished, and previously installed modules may have different warranty terms and testing documentation. For critical DCS applications, confirm functional-test records and warranty duration before purchase.
The ABB SPNPM22 should be installed only after Cnet, Controlway, rack, and associated network-interface compatibility has been verified.
