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Engineered for ABB Bailey INFI 90 System Synchronization
This module distributes precise timing signals across the control system. It provides clock synchronization for the ABB Bailey IMCKN01 unit. You will find this clock module in INFI 90 distributed control architectures. Unlike basic oscillators, this version drives multiple racks simultaneously. It maintains coordinated timing for all connected controllers and I/O modules.
Technical Specifications & Physical Dimensions
We designed this clock module for system-wide time coordination. The table below presents all verified technical specifications.
| Parameter | Specification |
|---|---|
| Physical Dimensions (W x H x D) | 160mm x 120mm x 50mm |
| Total Weight | 0.48 kg (480 grams) |
| Clock Frequency | 1 MHz (1,000,000 Hz) |
| Clock Accuracy | ±0.01% over temperature |
| Output Interface | RS485 differential |
| Maximum Clock Loads | 32 modules per network |
| Maximum Cable Length | 300 meters |
| Operating Voltage | 24V DC (18V – 32V) |
Functional Architecture and Signal Distribution
This clock module generates a stable master timing reference. It uses a temperature-compensated crystal oscillator for precision. You can install only one master clock per INFI 9- system. Moreover, the module includes differential line drivers for long-distance distribution. These components deliver clean clock signals over 300 meters of cable. Consequently, the board ensures all system modules sample data simultaneously.
Installation and Operational Guidelines
The ABB Bailey IMCKN01 requires 80 mA at 24V DC for operation. It provides clock outputs to up to 32 slave modules. You must terminate both ends of the clock distribution cable. Always use twisted-pair shielded cable with a characteristic impedance of 120 ohms. This practice prevents signal reflections on the clock network. Furthermore, the module supports redundant clock sources for high reliability. This feature provides automatic failover if the primary clock fails.
Physical Characteristics and Environmental Limits
This clock module has a rugged, industrial-grade plastic housing. Its moderate 0.48 kg weight allows for easy rack installation. The layout follows ABB Bailey standard INFI 90 specifications. Therefore, it fits securely into any INFI 90 controller rack. The module includes LED indicators for clock activity and lock status. In addition, it maintains stable operation between 0°C and 60°C ambient temperature. You can store this unit safely between -25°C and 85°C.