Overview
The ABB 07DC91 (GJR5251400R0202) is a flexible digital input/output module designed for CS31 system bus integration in distributed automation systems. It offers 32 channels, including 16 digital inputs, 8 digital outputs, and 8 configurable channels.
Moreover, the module operates at 24 V DC, ensuring wide compatibility with industrial automation environments. Its electrical isolation protects the system bus from interference, maintaining reliable performance in critical operations.
In addition, the DIN-rail mountable design with natural convection cooling allows simple installation in control cabinets while supporting compact layouts.
Functional Highlights
- Total Channels: 32 (16 DI, 8 DO, 8 configurable)
- Transistor Outputs: Rated 0.5 A with overload and short circuit protection
- Diagnostics: 33 LED indicators for inputs, outputs, and system errors
- Flexible Configuration: Configurable channels support input, output, or re-readable output
- Protection: Electrical isolation between system bus and module electronics
- Mounting: DIN rail with natural convection cooling for industrial applications
Therefore, the 07DC91 module provides robust digital signal management, combining flexibility, safety, and precise channel monitoring in automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product ID | GJR5251400R0202 |
| Module Type | Digital Input/Output Module |
| Channels | 16 DI, 8 DO, 8 configurable |
| Supply Voltage | 24 V DC |
| Current Consumption | Max. 0.15 A (without load) |
| Rated Load Supply | Max. 4 A |
| Power Dissipation | 5 W (no load), 10 W (under load) |
| Operating Temperature | 0–55 °C |
| Mounting | DIN rail (EN 50022-35 mm) |
| Dimensions | 120 × 140 × 85 mm |
| Weight | 450 g |
| Connectors | Removable screw terminals, max. 1.5–2.5 mm² |
| Protection Features | Reversed polarity protection |
| LEDs | 16 green (inputs), 16 yellow (outputs), 1 red (error) |
Moreover, the module supports re-readable configurable channels and provides clear diagnostic feedback via LEDs to simplify troubleshooting.
System Integration
The ABB 07DC91 module integrates seamlessly with CS31 bus-based automation systems. It efficiently manages both fixed and configurable digital channels for a variety of industrial applications.
Typical Applications:
- Remote digital I/O for distributed control systems
- Monitoring and controlling industrial machinery and actuators
- Integration with ABB AC31 and other controllers
- Compact control cabinet installations requiring DIN-rail solutions
Furthermore, its robust protection features and compact design ensure reliable operation in industrial environments with high uptime requirements.
Details
| Weight | 0.45 kg |
|---|---|
| Dimensions | 3048 × 3556 × 2159 mm |
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