Product Details
Overview
The ABB 07 DC 91 is a digital input/output module designed for precise control and monitoring within distributed automation systems. This unit offers a combination of fixed and configurable channels, supporting efficient signal processing and communication in both process and machine control environments. Its robust electrical design, diagnostic indicators, and wide operating range ensure dependable performance in demanding industrial applications.
Technical Specifications
General Information
-
Model Number: 07 DC 91
-
Manufacturer: ABB
-
Product Type: Digital Input/Output Module
-
Rated Supply Voltage: 24 V DC
-
Rated Signal Voltage: 24 V DC
-
Maximum Current Consumption (No Load): 0.15 A
-
Maximum Load Current at Supply Terminals: 4.0 A
-
Power Dissipation:
-
Without load: 5 W
-
Under load: 10 W
-
Protection: Reverse polarity protection included
-
Mounting: DIN rail, per DIN EN 50022-35 standard
-
Dimensions (W x H x D): 120 × 140 × 85 mm
-
Weight: 0.45 kg
Digital Inputs
-
Number of Channels: 16
-
Input Delay: Approx. 7 ms
-
Input Voltage: 24 V DC
-
Typical Input Current per Channel:
-
+24 V: 7.0 mA
-
+13 V: >2.0 mA
-
+5 V: >1.0 mA
-
+30 V: <9.0 mA
-
Channel Indication: Green LED per input
Digital Outputs
-
Number of Channels: 8 (transistor type)
-
Nominal Output Current: 500 mA at 24 V DC
-
Maximum Total Output Current: 4 A (per group)
-
Leakage Current (Off-State): <0.5 mA
-
Channel Indication: Yellow LED per output
Configurable I/O Channels
-
Number of Configurable Channels: 8
-
Signal Voltage: 24 V DC
-
Input Characteristics: Same as standard input channels
Environmental Conditions
-
Operating Temperature: 0°C to +55°C
-
Storage Temperature: −25°C to +75°C
-
Protection Class: IP20 (suitable for control cabinet use)
Key Features
-
32 total channels including configurable I/O options
-
High-speed transistor outputs for responsive switching
-
LED indication for each input and output channel
-
Integrated diagnostics for operational and fault monitoring
-
CS31 system bus interface for seamless ABB network integration
-
Compact DIN-rail mountable housing for easy installation
Application Scenarios
The 07DC91 module is ideally suited for:
-
Machine control systems requiring mixed input and output configurations
-
Process automation setups with distributed I/O needs
-
Integration with ABB Advant Controller 31 and AC31 control systems
-
High-reliability digital control tasks in factory automation environments
FAQ
Q: How many digital channels does the 07DC91 provide?
A: It provides 16 digital inputs, 8 transistor outputs, and 8 configurable input/output channels.
Q: What type of diagnostic indication is included?
A: The module includes 33 LEDs—green for inputs, yellow for outputs, and additional indicators for system status and errors.
Q: Can it handle both sourcing and sinking signals?
A: Yes. Each digital channel can be configured for typical 24 V DC logic levels compatible with ABB system standards.
Q: How is it mounted?
A: The module mounts directly onto a DIN rail (EN 50022-35), simplifying installation and maintenance.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Selecting the Right Cables for Industrial Automation: A Comprehensive Guide
Selecting the appropriate cabling infrastructure is critical for the success of any industrial automation project. Improper cable selection often leads to signal degradation, system instability, and costly downtime. As an automation engineer, I frequently see projects compromised by poor cabling choices in harsh industrial environments. This guide simplifies the complex landscape of cabling to help you make informed decisions for your PLC, DCS, and control systems.
Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide
In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.
Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.