Technical Specifications
| Feature | Specification |
| Manufacturer | Schneider Electric / Modicon |
| Model Series | 984 Series / 685E |
| Part Number | PC-E984-685 |
| Logic Execution Speed | 1.0 – 2.5 ms/K |
| Instruction Set | 984 Compatible |
| Battery Type | Lithium (3.0V or 3.6V typical) |
| Communication Ports | Modbus / Modbus Plus |
| Weight | 26.5 kg |
| Dimensions | 10.2 x 21.2 x 26.5 cm |
Industrial Applications
The PC-E984-685 is widely utilized in heavy industry, specifically within automotive assembly lines, chemical processing plants, and large-scale water treatment facilities. Its ability to bridge legacy 800-series hardware with modernized communication protocols makes it a critical component for system maintenance and infrastructure lifecycle extensions.
Communication and Connectivity
The 685E module features integrated Modbus communication interfaces, facilitating versatile networking options:
- Multi-port Modbus support for simultaneous peripheral connectivity.
- Direct interface with host computers, HMI panels, and programming terminals.
- Seamless integration into Modbus Plus networks for distributed control and remote data acquisition.
- Support for localized and remote programming updates without disrupting network stability.
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