Excellent PLC
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Product Description
The ABB Bailey NMFC03 6636896A1 is a Net 90 Multi-Function Controller designed for use in distributed control systems. It supports both analog and digital control strategies and acts as the main control processor for multiple slave I/O modules. Its design ensures real-time, deterministic control and supports up to 64 slave modules, running BASIC, C-language, and function block programs simultaneously. It is functionally replaced by the IMMFC03 in INFI 90 systems.
Technical Specifications
| Parameter | Description |
|---|---|
| Processor | Motorola 68020, 8 MHz |
| RAM | 512 KB |
| Battery-backed RAM | 80 KB (non-volatile) |
| ROM | 256 KB UVROM |
| Communication Ports | 2 × RS-232C, 2 × RS-422 |
| Power Consumption | +5 V @ 4.5 A (nominal), +15 V @ 37 mA, -15 V @ 18 mA |
| Power Dissipation | 37.68 W (max) |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Humidity | 5% to 95% RH (non-condensing) |
| Mounting | Occupies two MMU slots |
| Dimensions | 200 × 100 × 30 mm |
| Weight | 0.89 kg |
Applications
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Distributed process control in chemical plants
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Power generation control systems
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Batch processing industries
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Advanced I/O integration for critical industrial automation
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Redundant control for safety-critical operations
Advantages
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Redundancy: Hot standby capability ensures seamless control transfer
-
Flexibility: Supports BASIC and C programs along with function blocks
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I/O Expansion: Up to 64 slave modules supported (20 high power max)
-
On-line Configuration: Bumpless transfer without stopping the process
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Reliable Architecture: Battery-backed RAM ensures data retention
FAQ
Q1: What is the maximum number of slave modules supported?
A1: The NMFC03 supports up to 64 slave modules.
Q2: Can BASIC and C programs run simultaneously?
A2: Yes, the NMFC03 can execute BASIC, C, and function block logic simultaneously.
Q3: Is the NMFC03 capable of redundant operation?
A3: Yes, it supports full redundancy with hot-standby switching.
Q4: What type of microprocessor does it use?
A4: It uses the Motorola 68020 microprocessor.
Q5: What happens if the primary module fails in redundancy mode?
A5: The backup module takes over instantly without process interruption.
Q6: What is the supported communication interface?
A6: It includes RS-232C and RS-422 ports.
Q7: Is on-line configuration possible?
A7: Yes, changes can be made to the backup module without affecting the primary.
Q8: What is the function of battery-backed RAM?
A8: It stores configuration and retains data during power loss.
Q9: Can NMFC03 be used with INFI 90 systems?
A9: Yes, it is fully compatible and replaced by IMMFC03 in INFI 90.
Q10: How many slots does the NMFC03 occupy in an MMU?
A10: It occupies two slots.
Related Models (Same Series or Functionally Similar)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| IMMFC03 | INFI 90 version with similar function | 200 × 100 × 30 | 0.89 |
| IMCIS02 | Control I/O Slave Module | 150 × 100 × 25 | 0.65 |
| IMASI02 | Analog Slave Input Module | 150 × 100 × 25 | 0.65 |
| IMASO01 | Analog Output Station | 150 × 100 × 25 | 0.65 |
| IMDSI02 | Digital Slave Input Module | 150 × 100 × 25 | 0.60 |
| IMDSO04 | Digital Slave Output Module | 150 × 100 × 25 | 0.60 |
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|---|---|---|---|
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