Description
Application Scenarios
In a water treatment facility operating a Procontic T200 system, the ABB 07ZE61R302 manages the sequential control of filtration cycles, backwash operations, and chemical dosing. When a turbidity sensor signals a threshold excursion, the 07ZE61R302 executes the programmed response—adjusting valve positions, modulating pump speeds, and logging the event—all within a fixed 2.5 ms per 1K binary instruction cycle time.
The critical challenge in legacy installations is preserving the existing application investment while maintaining operational continuity. The 07ZE61R302 addresses this by providing a drop-in compatible central unit for systems that remain in active service decades after their original commissioning. For facilities with validated control logic and proven T200 reliability, replacing a failed 07ZE61R302 restores full functionality without requiring a complete system migration or revalidation of control sequences.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 07ZE61R302 |
| Ordering Code | GJV3074321R302 |
| Manufacturer | ABB |
| Product Category | Central Unit / CPU Module |
| Product Series | Procontic T200 |
| Maximum Central I/O | 576 points |
| Maximum Expansion Subracks | 2 |
| User Program Capacity | 15.7K instructions |
| Memory Capacity | 62.8 kB |
| Cycle Time | Approximately 2.5 ms per 1K binary instructions |
| Serial Interfaces | 1 × RS-232, 1 × RS-422/RS-485 |
| Power Supply | 24 V DC |
| Operating Temperature | -20°C to +60°C (some sources: 0°C to +55°C) |
| Protection Rating | IP20 |
| Mounting | Rack-embedded, Procontic T200 standard rail |
| Dimensions | 25.4 × 12.7 × 15.2 cm |
| Weight | Approximately 0.8 kg |
