ABB SACO 16D3 RS 811 163-AA

1. Product Overview

The ABB SACO 16D3 RS 811 163-AA is a flexible 16-channel Digital Annunciator Unit belonging to the ABB SPACOM distribution automation product series. Designed for centralized monitoring and supervision of alarm and signal contacts in power plants, substations, and industrial process installations, this device adopts a microprocessor to realize independent management and status display of multiple alarm channels with high stability and efficiency.

2. Technical Specifications

2.1 Electrical Specifications

Parameter Item	Specification Value
Auxiliary Supply Voltage (Uaux)	80…265 V AC/DC (Ratings: 110/120/230/240 V AC, 110/125/220 V DC) or 18…80 V DC (Ratings: 24/48/60 V)
Field Contact Voltage	48 V DC ±20%
Loop Current	4 mA ±20%
Acknowledgement/Reset Control Voltage	48 V DC ±20%
Relay Contact Rated Capacity	3 A / 250 V AC/DC
DC Breaking Capacity	48V(1A), 110V(0.25A), 220V(0.15A) [L/R ≤ 40 ms]
Power Consumption	≤10 W (Standby) / ≤25 W (Operating)
Transmission Rate	300/1200/2400/4800/9600 Bd (Configurable)
Insulation Test	Dielectric strength: 2kV (50Hz/1min); Impulse voltage: 5kV; High-frequency voltage: 2.5kV

2.2 Mechanical & Environmental Parameters

Parameter Item	Specification Value
Weight	≤4.5 kg
Housing Material	High-strength aluminum alloy
Ingress Protection Grade	IP54 (Panel-mounted)
Operating Temperature	-10…+55°C
Transport/Storage Temperature	-40…+70°C
Humidity Resistance	<95% relative humidity at +40°C, continuous operation for 56 days per year
Panel Cutout Dimension	Approx. 139×162 mm

2.3 Input & Output Specifications

Item	Specification
Number of Alarm Channels	16 independent digital input channels
Number of Output Relays	4 channels (2 grouped re-alarm relays, 1 sound alarm relay, 1 self-supervision relay)
Input Type	Normally open/normally closed contact, rising/falling edge signal
Delay Setting Range	5 ms to 160 s (Field configurable)
Event Register Capacity	Stores the latest 9 events

3. Product Features

• Flexible On-site Customization: Equipped with 16 independent digital alarm input channels, the unit supports flexible configuration to meet diverse on-site application requirements.
• First Alarm Indication: Features a clear 4-digit alphanumeric display to automatically identify and show the number of the first triggered alarm channel for rapid fault location.
• Multiple Output Relays: Integrates two sets of grouped re-alarm relays, one sound alarm output and one self-supervision system output to realize multi-dimensional alarm feedback.
• Advanced Self-supervision System: Adopts a comprehensive hardware and software self-test mechanism to ensure maximum operational reliability even in harsh and demanding working environments.
• Bidirectional Communication Capability: Supports extensive data transmission and interaction via serial interfaces and SPA bus.
• Fully Programmable Parameters: All functional parameters can be adjusted and configured through front panel buttons or serial interfaces.
• EMC Certified: Complies with EU EC EMC Directive with CE certification for electromagnetic compatibility.
• Modular Design: Adopts plug-in modular structure, facilitating convenient system expansion, daily maintenance and component replacement.

4. Structural Composition

The SACO 16D3 system features a modular design and consists of the following core components:

• Power Supply Module: SPGU 240A1 or SPGU 48B2, responsible for providing stable internal power supply for the whole device.
• I/O Module: SWIM 2A1, undertakes all signal input acquisition and output processing functions.
• Connection Module: SWCM 3A1, specially designed for reliable panel connection and circuit docking.
• Mounting Case: High-strength aluminum alloy housing with IP54 protection grade for dust and water resistance.
• Alarm Annunciator Module: SWPM 3A1, integrated with LED indicator lights and digital display unit for alarm status presentation.
• Front Panel: Equipped with 4-digit digital display and physical operation buttons for on-site parameter setting and status checking.
• Bus Interface Module: SPA-ZC 17/S or SPA-ZC 21/S, used for optical fiber SPA bus communication connection.

5. Application Fields

The SACO 16D3 Digital Annunciator Unit is widely applicable to the following industrial and power scenarios:

• Power Plants: Real-time status monitoring and alarm signal management for generator sets, transformers, switch cabinets and other core power equipment.
• Substations: Centralized alarm management for secondary system automation to improve substation operation safety and efficiency.
• Industrial Process Installations: Automation system monitoring for manufacturing, chemical plants, water treatment and other industrial scenarios.
• Offshore & Marine Environments: Specially optimized design to adapt to harsh marine and offshore working conditions.
• Distribution Automation Systems: Serves as a core functional component of the ABB SPACOM product series for power distribution automation control.

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