ABB SACO 16D1 Digital Annunciator Unit

ABB SACO 16D1 Digital Annunciator Unit Supplier & Exporter in India

ABB SACO 16D1 16-Channel Alarm Annunciator

ABB SACO 16D1 is a 16-channel digital alarm annunciator used for monitoring alarm and signalling contacts in substations, power plants and industrial installations. It gives operators a clear indication when an abnormal condition occurs and can provide both visual and audible alarms for faster fault identification.

The unit accepts signals from normally open or normally closed field contacts and can be programmed for different alarm sequences, input delays and operating requirements. Each of the 16 alarm channels has its own LED indication, while the front display can show the first alarm and event information.

SACO 16D1 can work as a standalone annunciator panel or become part of a larger monitoring and data-acquisition system through its serial communication interface. This makes it suitable for older and existing substations where a dependable, dedicated alarm annunciator is still required.

For buyers looking for an ABB SACO 16D1 annunciator supplier in India, a SACO 16D1 replacement unit, spare annunciator or export supply, the auxiliary supply voltage and complete existing unit details should be checked before quotation.

Technical Specifications

  • Product: Digital alarm annunciator unit
  • Manufacturer: ABB
  • Model: SACO 16D1
  • Product family: SACO / SPACOM
  • Number of alarm channels: 16
  • Input operation: Normally open or normally closed contacts
  • Other input functions: Rising edge, falling edge and pulse counting
  • Internal field contact voltage: 48 V DC ±20%
  • Field contact loop current: 4 mA ±20%
  • Input/reset delay settings: 5 ms, 20 ms, 100 ms, 1 s, 5 s, 20 s, 60 s or 160 s
  • Maximum pulse-counting frequency: 3 Hz
  • Visual indication: Individual LEDs for alarm channels
  • Front display: Numerical display for first-out alarm and event information
  • Event memory: Stores the latest 50 events
  • Group alarm outputs: 2 relay outputs
  • Audible alarm output: 1 relay
  • Self-supervision output: 1 relay
  • Rated output contact current/voltage: 3 A / 250 V AC/DC
  • External acknowledge and reset inputs: Available
  • Communication protocol: SPA bus
  • Serial interface: RS-485
  • Communication speeds: 300, 1200, 2400, 4800 or 9600 baud depending on configuration/settings
  • Bus connection modules: SPA-ZC 17 or SPA-ZC 21
  • High-range auxiliary supply: 80–265 V AC/DC
  • Low-range auxiliary supply: 18–80 V DC
  • Power supply modules: SPGU 240A1 or SPGU 48B2 depending on supply requirement
  • Operating temperature: -10°C to +55°C
  • Storage temperature: -40°C to +70°C
  • Degree of protection: IP54 when properly panel mounted
  • Approximate weight: 3.1 kg
  • Mounting: Flush panel mounting

ABB’s technical documentation confirms the 16 alarm channels, 48 V DC field contact circuit, configurable input delays, output relays and communication arrangement. It also documents the two auxiliary supply ranges used with the SPGU 240A1 and SPGU 48B2 power modules.

Features

  • 16 independent alarm channels: Suitable for monitoring multiple alarms or status contacts from one panel.
    Clear alarm identification: Individual LED indications make it easier for operators to locate the source of an alarm.
  • First-out alarm indication: Helps identify which alarm occurred first when several signals arrive within a short period.
  • Visual and audible alarms: Can operate an external horn or buzzer in addition to front-panel indications.
    Field programmable: Alarm behaviour, delays and operating sequences can be adjusted from the front panel.
  • NO and NC contact monitoring: Individual channels can be configured according to the field contact arrangement.
  • Event recording: Internal memory stores recent events for checking the sequence of alarm conditions.
  • Group alarm outputs: Two relay outputs can be configured for retransmission or grouping of alarms.
  • Remote acknowledge and reset: External pushbuttons can be connected where panel-mounted remote controls are required.
  • Built-in self-supervision: Continuously checks important hardware, software and supply functions.
  • SPA bus communication: Allows alarm and event information to be transferred to a higher-level monitoring or control system.
  • Standalone operation: Does not require a supervisory system when only local alarm annunciation is needed.

ABB specifically describes SACO 16D1 as a field-programmable 16-channel annunciator with four output relays—two for group alarm functions, one for an audible device and one for self-supervision.

Applications

ABB SACO 16D1 annunciators are used for alarm and status monitoring in:

  • Electrical substations
  • Power generation plants
  • Medium-voltage switchgear panels
  • Control and relay panels
  • Transformer substations
  • Industrial process plants
  • Oil and gas installations
  • Offshore platforms
  • Marine electrical systems
  • Water and wastewater treatment plants
  • Utility control rooms
  • Factory electrical distribution systems
  • Building technical installations
  • Generator control panels
  • MCC and switchboard alarm panels
  • Existing SACO annunciator replacement projects

ABB documentation identifies power plants, substations, industrial processes, marine and offshore installations, building services and water-treatment plants among the typical applications for SACO 16D1.

ABB SACO 16D1 Power Supply Options

When sourcing a SACO 16D1 for an existing installation, the auxiliary supply is one of the important details to verify.

Two internal power supply arrangements are documented:

SPGU 240A1

  • Rated AC supply: 110 / 120 / 230 / 240 V AC
  • Rated DC supply: 110 / 125 / 220 V DC
  • Operating range: 80–265 V AC/DC

SPGU 48B2

  • Intended for lower-voltage auxiliary supply applications
  • Operating range: 18–80 V DC

The existing unit nameplate and power supply module should therefore be checked before ordering a replacement SACO 16D1.

ABB SACO 16D1 for Replacement and Existing Installations

Many SACO 16D1 enquiries come from substations and industrial plants where the annunciator has already been installed for many years. In these cases, the requirement may be for a SACO 16D1 replacement annunciator, spare unit, power supply module or matching unit for an existing alarm panel.

For a replacement enquiry, share:

  • ABB SACO 16D1 nameplate photograph
  • Complete type or ordering details
  • Auxiliary supply voltage
  • Existing power supply module, if known
  • Required quantity
  • Application or panel details
  • End-user / project country

This is particularly useful when replacing an old unit because the power supply and communication arrangement should match the existing installation.

Looking for ABB SACO 16D1 Annunciator?

We handle enquiries for ABB SACO 16D1 digital annunciator units for replacement, maintenance, industrial projects and export requirements.

If you are looking for an ABB SACO 16D1 16-channel alarm annunciator, SACO 16D1 replacement unit, ABB alarm annunciator for a substation panel or SACO annunciator export supply from India, send the model details, auxiliary voltage, quantity and destination country for quotation.

SKU: SACO16D1 Category: