Description
Product Model: IC693DNM200-CD
Product Brand: GE Fanuc / GE Intelligent Platforms
Product Series: Series 90-30 (compatible with PACSystems RX3i)
Product Features:
• DeviceNet master communications module for PLC fieldbus networking
• Supports up to 63 DeviceNet slave devices and standard baud rates
• Built-in RS-232 service port for diagnostics and firmware updates
• Poll, Strobe, Cyclic, and COS messaging configurable for flexible I/O links
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | IC693DNM200-CD |
| Series | GE Fanuc Series 90-30 (compatible with PACSystems RX3i) |
| Module Type | DeviceNet Master Communication Module |
| Supported Network | DeviceNet |
| Data Rates Supported | 125 k, 250 k, 500 k baud |
| Maximum Slave Nodes | Up to 63 |
| I/O Data per Slave | Up to 255 bytes input and output each |
| Total I/O Data (Master) | Up to 3972 bytes input and output each |
| Communication Ports | 1 DeviceNet terminal; 1 RS-232 service port |
| Power Supply | 12–24 VDC positive logic |
| Module Width | Single slot |
| Backplane Current | ~450 mA at 5 VDC typical |
| Operating Temp. | 0–60 °C |
| Storage Temp. | -40 °C to 85 °C |
| Connection Types | Poll, Strobe, Cyclic, Change-of-State (COS) |
- IC693DNM200-CD
Product Role & System Fit
In industrial automation systems, communication between controllers and networked field devices is mission-critical. The IC693DNM200-CD is a DeviceNet Master Module designed to bridge programmable logic controllers (PLCs) with DeviceNet networks, enabling deterministic and scalable distributed control. Originally part of GE Fanuc’s Series 90-30 PLC platform, this module is also compatible with PACSystems RX3i systems when used with appropriate CPU firmware and configuration tools.
DeviceNet is an open network protocol widely deployed in factory automation, discrete manufacturing, and machine control. As a DeviceNet master, the IC693DNM200-CD manages communications with networked slave devices — such as remote I/O nodes, motor drives, sensors, and actuators — typically up to 63 slave nodes per network. This master role ensures that the PLC can request data, send commands, and respond to status changes across the network with configurable performance. Because the module supports standard DeviceNet baud rates (125 k, 250 k, 500 k), it adapts to both small-scale and larger, higher-speed network requirements.
The module’s design supports multiple messaging and connection paradigms, including polling, strobe, cyclic, and change-of-state (COS) I/O connections — allowing automation engineers to tailor network behavior to application needs. For example, a cyclic update may be used for regular sensor polling, while a COS setup lets the network only transmit data when a state change occurs, increasing efficiency and reducing unnecessary traffic.
To assist with setup, diagnostics, and firmware maintenance, the IC693DNM200-CD includes an RS-232 service port (9-pin female D-shell), which engineers use for module firmware updates and troubleshooting during installation or network expansion.
Because DeviceNet thrives in hierarchical machine and plant networks, this master module plays an important role in mid-to-large automation architectures where multiple nodes need coordinated control and feedback. Its ability to bridge PLC logic with modular field devices vastly simplifies structural wiring and provides a clear communication topology.




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