Product Details
Configured for high-accuracy analog signal acquisition in ABB Advant Master process control networks, the ABB DSAI 155 57120001-HZ (DSAI 155 Analog Input Modules) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSAI 155 |
| Order Code | 57120001-HZ |
| Brand | ABB |
| Origin | Sweden |
| Product Type | Analog Input Modules |
| Input Signal Type | Analog Input Signals |
| Weight | 0.54 kg |
| Dimensions | Standard Advant Master subrack card dimensions |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | Bus-powered via subrack backplane |
| Customs Tariff Number | 85389099 |
| Replaced Product ID | 7650055-140 |
Backplane Bus Communication & I/O Density Scaling
The ABB DSAI 155 analog input board digitizes incoming process signals and streams digitized process values over the internal rack backplane interface to host controllers. The board design supports high I/O density scaling within S100 subracks while preserving signal conversion speed. Factory firmware flash compatibility enables deterministic scan execution across assigned process control nodes.
Frequently Asked Questions
Q: What action is required regarding the backplane interface when replacing a DSAI 155 card?
A: Auxiliary loop and subrack backplane power must be isolated before extracting or inserting the board to prevent logic communication glitches and bus transceiver stress.
Q: How does the DSAI 155 board maintain process signal integrity across the backplane?
A: On-board conditioning filters high-frequency industrial noise before analog-to-digital conversion, ensuring accurate measurement values are written directly to backplane bus registers.
Field Installation Guidelines
- Turn off main power to the target I/O subrack prior to inserting or removing the DSAI 155 module.
- Carefully align board edge connectors with the subrack guide tracks and insert until the rear plug engages fully into the backplane socket.
- Tighten faceplate mounting screws firmly to lock the card into position and secure the ground path to the rack chassis.
- Keep analog input cables routed in shielded twisted-pair conduits separate from high-voltage AC lines.
- Ground field cable shields at the dedicated cabinet ground bar before applying operational power.
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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.