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Modbus Organization

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Seekirk, Inc.

Annunciator A2100


Type:  Monitoring Hardware
Description:  The Seekirk model A2100 is a 12 point Modbus/DNP/standalone annunciator offering a wide range of configurations. Designed for use within transformers, switchgear, breakers and/or within any processing equipment or control room applications, either attended or unattended, for the monitoring of alarm conditions. Industries include electric generation, transmission distribution, gas and water utilities. The annunciator can be selected to handle the Modbus data interchange in either RTU or ASCII serial formats. The annunciator can accept alarm inputs from either the serial input as Modbus commands or from hardwired alarm inputs via the internal or rear panel terminals. The status of any alarm condition can be read from the annunciator by the Modbus master controller.
Connectivity:  Modbus
Features:  Selectable alarm sequences; Selectable per point configurations of field contact inputs; Selectable per point configurations of auxiliary relays; Selectable configurations of main (common) alarm relay; Selectable configuration of audible horn (on/off; Selectable for either Modbus (either RTU or ASCII format) or DNP3.0 protocol; The 12 alarm indicators are a 24PSB standard red LED type lamp or optional LED colors of amber, green, blue and white
Specifications:  Auxiliary and main (common) relays are DPDT type relays with maximum ratings of 300 VDC switching voltage and a switching current of 8.0Amps. @ 30VDC/277VAC and a power rating of 2000 VA; Enclosure dimensions (H x W x D) are 17-7/8 in. x 6-3/8 in. x 5.1/8 in. (45.4 x 16.2 x 13.0 cm); Panel cutout dimensions are 17-1/2 x 5-1/2 (44.4 x 14 cm); Field Contact Input voltage range from 24 to 125VDC or 110VAC; Power input - 24/48/125VDC or 120/240VAC; Selectable baud rate - 1200/2400/4800/9600/19200/38400/57600; Selectable parity - no/odd/even; Unit configurations can be modified either by the Seekirk-supplied Java based GUI or the local menu accessed from the control panel located at the front of the unit