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Description
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 07MK92 (Order No. GATS110098R0161) |
| Manufacturer | ABB |
| Product Type | Serial Communication Processor Module |
| Compatible System | ABB Advant Controller 31 (AC31) / Advant OCS |
| Processor | Dedicated communication microprocessor |
| Memory | 256 KB RAM, 1 MB Flash |
| Serial Ports | 4 independent channels |
| Port Configuration | 2 configurable (RS-232 / RS-422 / RS-485) + 2 fixed RS-232 |
| Max Data Rate | 115.2 kbps per port |
| Programming Language | Standard C (via 907MK92 software) |
| Power Supply | 24 V DC |
| Power Consumption | Approximately 5 W |
| Diagnostic Indicators | Configurable LED indicators (TX/RX/Run/Fault per port) |
| Mounting | DIN-rail or AC31 rack slot |
| Dimensions (W×H×D) | Approx. 120 × 80 × 40 mm |
| Weight | Approx. 0.5 kg |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH non-condensing |
| Protection Rating | IP20 (indoor control cabinet) |
| Certifications | CE, UL, RoHS |
| Origin | Sweden (common) |
| Lifecycle Status | Classics / MRO spare (new OEM discontinued) |
Main Features and Advantages
CPU Offloading for Deterministic Control
The defining architectural advantage of the 07MK92 GATS110098R0161 is its role as a dedicated communication coprocessor that completely isolates serial protocol handling from the main AC31 CPU. In a typical deployment, the main controller—an 07KT92, 07KT93, or 07KT94—is already heavily loaded with PID loops, interlock logic, and safety functions. Adding direct communication tasks would inevitably extend scan cycles and introduce jitter. By deploying the 07MK92 GATS110098R0161 alongside the main CPU, all polling, frame parsing, protocol conversion, and exception handling are executed autonomously on the coprocessor. The main CPU simply exchanges aggregated data with the 07MK92 GATS110098R0161 over the high-speed internal backplane, ensuring that primary control loops remain deterministic regardless of network traffic or external device latency.
Four-Port Flexible Serial Architecture
With four independent serial channels, the 07MK92 GATS110098R0161 delivers exceptional connectivity flexibility. Two ports are fully configurable to RS-232, RS-422, or RS-485 at the software level, allowing engineers to match the exact electrical interface required by each connected device without changing hardware. The remaining two fixed RS-232 ports are ideal for local HMI panels, engineering workstations, or modem connections. At 115.2 kbps maximum per channel, the 07MK92 GATS110098R0161 provides ample bandwidth for high-density Modbus polling, ASCII data streaming, or custom protocol tunneling across all four ports simultaneously.
Free-Programmable Protocol Engine
Unlike fixed-function communication cards, the 07MK92 GATS110098R0161 is genuinely programmable in standard C language using ABB’s 907MK92 development environment. This capability transforms the module into a universal protocol conversion engine—engineers can implement Modbus RTU master or slave, custom ASCII framing, device-specific command sequences, and even multi-protocol bridging across the four ports. The 256 KB RAM and 1 MB Flash provide sufficient resources for sophisticated application logic, data buffering, and fault-tolerant state machines. The 07MK92 GATS110098R0161 executes this code autonomously, independently managing retries, timeouts, and exception handling without burdening the main controller.
Comprehensive Onboard Diagnostics
The 07MK92 GATS110098R0161 integrates configurable LED diagnostic indicators that deliver at-a-glance visibility into module health and communication status. Per-port TX/RX activity LEDs allow maintenance personnel to instantly confirm whether data is flowing on each channel, while dedicated Run and Fault indicators signal overall module state. This built-in diagnostic capability dramatically reduces mean-time-to-diagnosis (MTTD) during field communication faults—operators can immediately distinguish between a faulty cable, a misconfigured port, a non-responsive slave device, or a module-level failure without resorting to protocol analyzers or laptop-based debugging tools.
