The 193-ECM-DNT is a communication module designed for the Allen-Bradley E300 Electronic Overload Relay platform. It adds DeviceNet communication capability to E300 motor protection assemblies, allowing the overload relay to exchange information with industrial control systems.
Unlike the overload relay itself, this module does not provide motor protection independently. It functions as the communication section of a modular E300 system, connecting the protection device with a DeviceNet network environment.

Product Record
| Field | Information |
|---|---|
| Manufacturer | Allen-Bradley |
| Catalog Number | 193-ECM-DNT |
| Product Name | E300 DeviceNet Communication Module |
| Product Family | E300 Electronic Overload Relay |
| Component Type | Communication Module |
| Network Interface | DeviceNet |
| Application Category | Motor Management / Protection |
| Manufacturer Owner | Rockwell Automation |
Network Module Specifications
| Parameter | Details |
|---|---|
| Module Series | E300 |
| Communication Type | DeviceNet |
| Device Function | Communication Expansion Module |
| Compatible Device | E300 Electronic Overload Relay |
| Installation Position | E300 Modular Assembly |
| Communication Purpose | Network data exchange |
| Product Category | Motor Control Communication Component |
| Enclosure Rating | IP20 (PRDSC CDN Storage) |
Communication Role Inside an E300 System
The 193-ECM-DNT is part of the modular structure used by E300 electronic overload relays.
An E300 assembly is typically divided into separate functional sections:
| Module | Function |
|---|---|
| Sensing Module | Measures motor current conditions |
| Control Module | Handles relay operation |
| Communication Module | Provides network connection |
The 193-ECM-DNT occupies the communication position, allowing the E300 overload relay to become part of a DeviceNet-based motor control network.
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Information Available Through the Network
When installed with an E300 overload relay, the communication module allows motor protection information to be exchanged through DeviceNet.
Typical information handled by networked motor protection systems includes:
| Data Category | Purpose |
|---|---|
| Device Status | Monitor relay condition |
| Diagnostic Information | Review operating conditions |
| Control Data | Exchange network commands |
| Motor Protection Information | Access overload-related information |

This makes the module suitable for applications where motor protection devices are connected to a larger automation control architecture.
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