Description

Key Highlights
Manufacturer: ABB
Model Number: DAO01
Product Type: Analog Output Module
Availability: In Stock
Condition: Original New
Country of Origin: Switzerland

Technical Specifications

The ABB DAO01 (often listed as DAO 01) is a high-performance analog output module primarily used in the ABB Freelance 2000 and Hartmann & Braun industrial automation systems

Detailed Parameter	Part Number: DAO01
Function	Digital-to-Analog Signal Conversion
Output Channels	16 Analog Output Channels
Output Signal Types	Current or Voltage Outputs
Current Output Range	4–20 mA
Voltage Output Range	1–5 VDC
D/A Resolution	12-bit per channel
Accuracy	±0.1% of Full Scale Range
Channel Isolation	Group Isolated Outputs
Open Circuit Detection	Less than 5 seconds
Power Supply	24 VDC
Operating Temperature	0°C to +50°C

Troubleshooting & Commissioning Checklist

Slot Verification: Ensure the DAO01 is correctly seated and locked into the compatible system rack.
Terminal Base Check: Verify all terminal units (e.g., MTUs) and cables are securely wired without pinching.
Grounding Check: Measure and confirm the proper chassis grounding for the system cabinet is securely tied to the facility ground.
Shielding: Ensure all 0.5 to 2.5 mm² twisted pair shielded cables are grounded at only one end to prevent ground loops.
Power Supply: Check that the nominal logic and field supply delivers a steady 24 VDC ± 10% with minimal ripple.

Electrical Wiring & Power Verification

Supply Voltage: Confirm that the operational main power line delivers the specified voltage within the required range before energizing.
Grounding Continuity: Verify a low-resistance chassis-to-cabinet earth connection to suppress signal noise.
Shield Integration: Ensure all twisted-pair output signals are terminated on a single-ended clean instrumentation ground plane.

Technical FAQ

Q: What is the rated load resistance per channel?
A: The module supports a typical load of less than 450 Ω per channel.

Q: What mounting base does the module require?
A: The DAO01 module requires a specific standard base to handle its field wiring. It utilizes bases such as xBS01-FPH, xBS01-FPN, or xBS01-EPD.

Q: What system versions support the DAO01 module?
A: The module is designed for compatibility with Freelance system architectures from Version 3 (V3) onwards.

Q: Are the output channels electrically isolated from each other?
A: Yes, each of the 16 channels features individual electrical isolation to protect the system against field-side ground loops or voltage spikes.

Q: Do you supply brand-new, original parts or second-hand refurbished items?

A: Our stock consists of Original New items; all products undergo quality inspection to ensure they are fully functional.

Q: What guarantees are included with the shipment?
A: All items in stock are tested by engineers, packed in professional ESD packaging, and shipped via express logistics with a global delivery time of 24–48 hours.

Q: How long does global shipping take?
A: Stock items are typically dispatched within 24 hours. Shipments are sent via DHL or FedEx Express, taking approximately 3–5 days to reach Asia, 4–6 days to Europe and the Middle East, and usually arriving within a week in major industrial regions worldwide.

Q: If the model I need is not listed on the website, can I request a quote?
A: Yes. We hold over 200,000 SKUs of industrial spare parts in stock, and many long-tail models are not listed in full. You can send us an RFQ (Request for Quote) directly, and we will provide wholesale pricing promptly.

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