ANNUMCIATORS

Product Description

1. General

• Function: To detect, display, and audibly alert on fault/alarm conditions.

• Application: Industrial control systems, substations, power plants, refineries, etc.

2. Input

• Input Type: Dry contact (NO/NC), potential-free contacts.

• Number of Channels: 8, 16, 24, 32, or expandable up to 256 channels.

• Input Voltage: 24 VDC / 48 VDC / 110 VDC / 230 VAC (configurable).

• Input Isolation: Opto-isolated inputs for noise immunity.

3. Output

• Visual Indication: Super-bright LEDs for each channel (colors: Red, Yellow, Green).

• Audible Alarm: Built-in piezo or external horn connection.

• Relay Outputs: Configurable output relays for hooter, trip, or common alarms.

4. Display & Interface

• Front Panel: Engraved or replaceable legends for each channel.

• Display Type: LED or LCD panel for status.

• Annunciation Sequence: ISA S18.1 standard (Acknowledge, Silence, Reset).

• Pushbuttons: Acknowledge, Silence, Reset, Test.

5. Communication

• Protocols: Modbus RTU/TCP, DNP3, Profibus (optional).

• Communication Port: RS485, Ethernet, USB (optional).

• SCADA Integration: Supported.

6. Power Supply

• Operating Voltage: 85265 VAC / 1872 VDC.

• Power Consumption: < 15 W (depending on model).

7. Mechanical

• Mounting: Panel mount / flush mount / wall mount.

• Enclosure: IP54/IP65 metal or polycarbonate enclosure.

• Dimensions: Customizable based on the number of channels.

8. Environmental

• Operating Temperature: -10C to +60C.

• Humidity: 5% to 95% non-condensing.

9. Standards & Compliance

• Standards: IEC 60255, ISA S18.1, CE, RoHS compliant.

• EMI/RFI Immunity: As per industrial standards.

10. Optional Features

• Sequence of Events (SOE) recording with millisecond time stamping.

• Battery backup for non-volatile memory.

• Event logging and diagnostics.

• Remote web-based monitoring.