
Application Scenarios
Imagine a municipal water supply network spanning dozens of kilometers across rugged terrain, with multiple sewage lifting pump stations requiring centralized monitoring and control. The ABB 07KP90 GJR5251000R0202 makes this possible by aggregating data from distributed sites via leased lines or telephone connections using the reliable RCOM protocol. In one deployment, a city’s water treatment facility reduced manual inspection rounds by 80% while gaining real-time visibility into pump station status and flow parameters.
In the oil and gas sector, long-distance pipeline monitoring presents a formidable challenge. The ABB 07KP90 excels in transmitting sensor data—pressure, liquid level, temperature—scattered across remote well sites back to a central control room. For solar-powered installations where power efficiency is paramount, this module’s ultra-low consumption design ensures uninterrupted communication even during extended periods without sunlight.
The master-slave architecture of the 07KP90 network supports up to 254 slaves, with event polling mechanisms allowing field devices to proactively report critical alarms without waiting for master polling cycles. This deterministic data exchange ensures that emergency conditions are communicated immediately, enhancing operational safety and response times.
Parameters
| Main Parameters | Value/Description |
|---|---|
| Product Model | 07KP90 GJR5251000R0202 |
| Manufacturer | ABB |
| Product Category | RCOM Communication Module |
| Protocol Support | RCOM (Remote Communication) |
| Serial Interfaces | 1 RCOM Interface (EIA RS-232 / RS-485); 1 CONSOLE Interface (RS-232) |
| Rated Supply Voltage | 24 V DC |
| Power Consumption | Typ. 2.5 W; Max Current: 210 mA at 24V, 170 mA at 30V |
| Status Indicators | 6 LEDs (RUN, ERR, Supply, RxD, TxD, BLK) |
| Transmission Speed | RCOM: 300–19200 Baud; CONSOLE: 9600 Baud |
| Dimensions | 140 × 120 × 85 mm |
| Weight | 450 g |
| Mounting | DIN Rail EN 50022–35 (35mm rail) |
| Electrical Isolation | Yes, RCOM Interface isolated from rest of unit |
| Wiring | Removable terminal blocks, max 2.5 mm² |







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