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Phone：+86 17062388866Description
The GE PRG-MODEM is a specialized industrial modem module designed for secure remote programming and diagnostics of GE Fanuc Series 90-30 and 90-70 PLC systems. As a critical component in legacy automation networks, this device enables engineers to establish dial-up connections to geographically dispersed controllers for configuration updates, troubleshooting, and data retrieval without physical site access. The GE PRG-MODEM integrates seamlessly with GE’s VersaPro™ and Proficy™ Machine Edition software, providing a reliable communication bridge in environments where Ethernet or wireless solutions are impractical. Its robust design supports industrial noise immunity and voltage fluctuations, ensuring stable connectivity for mission-critical maintenance operations in remote substations, pipeline monitoring sites, and manufacturing facilities with limited network infrastructure.
Engineered for longevity in harsh conditions, the GE PRG-MODEM operates across extreme temperature ranges while maintaining compatibility with global telecommunication standards. It serves as a cost-effective lifecycle extension solution for aging PLC installations, eliminating the need for immediate system overhauls. The module’s plug-and-play architecture simplifies integration with existing Series 90 racks, preserving investments in legacy control systems while enabling remote technical support capabilities.
GE PRG-MODEM
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE PRG-MODEM |
| Manufacturer | General Electric (GE) |
| Product Type | PLC Programming Modem |
| Compatible PLC Series | GE Fanuc Series 90-30/90-70 |
| Interface | RS-232C (DB-9 connector) |
| Modulation Standards | V.22bis, V.32bis (2400-14400 bps) |
| Telecom Compatibility | PSTN, PBX, Switched Networks |
| Operating Voltage | 24V DC ±10% |
| Operating Temperature | -20°C to +65°C |
| Humidity Tolerance | 5% to 95% non-condensing |
| LED Indicators | Power, Carrier Detect, Transmit, Receive |
| Dimensions | 100 × 80 × 25 mm (H×W×D) |
| Mounting | DIN-rail or panel mount |
| Certifications | CE, FCC Part 15, UL 508 |
Main Features and Advantages
Legacy System Integration: The GE PRG-MODEM delivers plug-and-play compatibility with GE Fanuc Series 90 PLCs through dedicated backplane connectors. Its auto-sensing baud rate (300-19.2k bps) eliminates manual configuration, while error-correction protocols (V.42/MNP2-4) ensure data integrity over noisy phone lines.
Secure Remote Access: Featuring password-protected dial-in authentication, the modem prevents unauthorized access to control logic. Dual-mode operation allows both point-to-point connections and multi-drop networks, enabling centralized monitoring of distributed PLC assets. The GE PRG-MODEM supports callback security protocols, where the PLC initiates connections to pre-approved numbers only.
Rugged Industrial Design: With reinforced EMI shielding and surge protection (IEC 61000-4-5), the module withstands voltage spikes common in electrical substations. Its wide operating temperature range enables deployment in unheated enclosures, while the corrosion-resistant housing ensures reliability in humid coastal environments.
Application Field
The GE PRG-MODEM is indispensable for maintaining legacy industrial control systems where modern networking is unavailable. In municipal water treatment plants, it enables remote troubleshooting of Series 90-based pump control systems during flood events. Mining operations deploy the GE PRG-MODEM for conveyor safety logic updates in underground locations without Ethernet infrastructure.
Energy sector applications include remote diagnostics of turbine control systems in hydroelectric dams and programming updates for cathodic protection units along oil/gas pipelines. Manufacturing facilities utilize the modem for after-hours support of production line PLCs, reducing downtime costs. The GE PRG-MODEM is particularly valuable in developing regions with limited high-speed connectivity, preserving operational continuity of critical infrastructure.
Related Products
GE IC693CMM321: Series 90-30 communication module supporting Ethernet/IP.
GE VersaPro 2.0: Legacy programming software for PRG-MODEM compatible systems.
GE IC690PRG001: Redundant power supply for Series 90 racks.
GE QuickPanel HMIs: Operator interfaces for local monitoring alongside PRG-MODEM remote access.
GE Proficy Historian: Data logging software for archiving remote diagnostic sessions.
GE PRG-MODEM
Installation and Maintenance
Pre-installation preparation: Verify Series 90 rack compatibility and allocate dedicated phone lines. Ensure RS-232 cable shielding integrity (max 15m length). Configure PLC security parameters before deployment to prevent unauthorized access.
Maintenance recommendations: Quarterly testing of dial-up connectivity using AT command set. Annually clean DB-9 contacts with isopropyl alcohol. Replace every 7-10 years due to electrolytic capacitor aging. Store backup GE PRG-MODEM units with matching firmware revisions.
