Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | ABB 07KP93 GJR5253200R1161 |
| Manufacturer | ABB |
| Product Type | Communication Processor / Modbus Gateway |
| Series Compatibility | Advant Controller 31, Advant OCS, 800xA |
| Processor Architecture | 32-bit RISC |
| Number of Serial Interfaces | 2 (COM3, COM4) |
| Interface Standards | EIA RS-232 or EIA RS-485 (software selectable) |
| Supported Protocols | Modbus RTU, Modbus ASCII, RCOM, CS31 |
| Operating Modes | Master/Slave per port (Master-Master not supported) |
| Supply Voltage | 24 V DC (20-30 V wide range) |
| Power Dissipation | Typ. 2.5 W, Max 5.0 W |
| Max Current Consumption | 210 mA @24V, 170 mA @30V |
| Electrical Isolation | Galvanic isolation between interfaces and internal logic |
| Mounting | DIN rail EN 50022-35 |
| Dimensions (W x H x D) | 140 x 120 x 85 mm |
| Weight | 0.45 kg |
| LED Indicators | Power (green), ERR (red), RUN (green), LED1-4 (yellow) |
| Protection | Reverse polarity protection |
Main Features and Advantages
Dual Serial Port Design with Flexible Configuration: The ABB 07KP93 offers two independent serial interfaces (COM3 and COM4), each software-configurable for RS-232 or RS-485 physical layers, enabling simultaneous connection to multiple device types . The ABB GJR5253200R1161 allows each port to be independently set as either a Modbus Master or Slave, providing architects with the flexibility to design network topologies that best suit their application—from simple point-to-point links to complex multi-drop fieldbus networks with up to 254 addressable nodes . This dual-port architecture is particularly valuable when integrating new Modbus devices while maintaining legacy RCOM connections.
Robust Industrial Construction and Electrical Isolation: The ABB 07KP93 is built for harsh industrial environments, featuring full galvanic isolation between the communication interfaces and the internal logic circuitry, effectively suppressing ground potential differences and common-mode noise that degrade signal integrity on long field cables . The ABB GJR5253200R1161 incorporates protection against reversed terminal connections and operates reliably across a wide temperature range (-20°C to +60°C) . With natural convection cooling and an IP20 enclosure, the ABB 07KP93 is ideally suited for installation in standard control cabinets where space is at a premium.
Advanced Protocol Support and Real-Time Performance: The ABB 07KP93 provides native support for Modbus RTU/ASCII, RCOM, and CS31 protocols, eliminating the need for external protocol converters and simplifying system architecture . The ABB GJR5253200R1161 delivers typical I/O scan cycles under 1 ms for 128 I/O points, with 12 Mbps auto-baud rate detection ensuring rapid network configuration . Comprehensive diagnostic capabilities, including four yellow LED indicators (LED1…LED4) that provide real-time status of each communication channel, enable field technicians to quickly troubleshoot connectivity issues without specialized test
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