PRODUCT SPECIFICATIONS ® I/A Series Hardware PSS 21H-4E1 B4 Annunciator Keyboard ANNUNCIATOR/NUMERIC KEYBOARD ANNUNCIATOR KEYBOARD The Annunciator and Annunciator/Numeric The overlay of the keyboards have a raised Keyboards provide output information through the embossed circle on each key, and positive tactile/ use of annunciator lights and audible alarms, plus audible feedback to assure proper switch closure. input information through key switches. Both keyboards are suitable for use with all I/A Series ANNUNCIATOR KEYBOARD workstation processors.The keyboards may be free The Annunciator Keyboard (P0903CV) is an array of standing or workstation/panel mounted. 48 LED/switch pairs arranged in a 12 column by four row matrix. It also contains a horn silence switch and The audio alarms feature multiple pitches which a lamp-test switch. indicate audible differentiation of system alarms and process alarm priorities. An external audio output Each LED, under control of the workstation jack is available for an attachable, customer supplied, processor's software, may be ON, OFF, or audio amplifier with speakers. The external speakers FLASHING as determined by the process conditions. provide sufficient capacity to be heard if the keyboard These LEDs, when used in conjunction with the is located in a noisy environment. The keyboards unit's audible annunciator, form an effective means of have a lamp test function (LED test) which calling a user's attention to specific areas of the simultaneously illuminates all the LEDs. system. The switch associated with each LED may PSS 21H-4E1 B4 Page 2 be used to invoke any pre-configured displays or ANNUNCIATOR/NUMERIC KEYBOARD operator responses. The Annunciator/Numeric Keyboard (P0903CW) is a combination of 32 LED/switch pairs, a 16 section The annunciator keyboard provides a pocket for numeric keypad and one NUM LOCK LED. The each column of four switches. The columns accept a keypad section is suitable for entering numeric data polyester label used to print the LED/switch names. into the system. Each annunciator switch location has two LEDs; red and yellow. The color for each switch position may The 32 LED/switch pairs are arranged in an eight be chosen by removing one of the two “knockouts” column by four row matrix similar to the annunciator per switch location from the polyester annotation keyboard, and also provides for the insertion of eight legend. polyester labels. FUNCTIONAL SPECIFICATIONS 5K LOAD Power Requirements 27.5 V dc, +/- 5% at the input connector Low Input 0.25 V p-p Power Consumption Medium Input ANNUNCIATOR KEYBOARD 0.50 V p-p 7.5 Watts (max) 3.0 Watts (min) Low and Medium Input 0.70 V p-p ANNUNCIATOR/NUMERIC KEYBOARD 6.0 Watts (max) 680 OHM LOAD 3.0 Watts (min) Low Input 0.10 V p-p Audio Output Signal The alarm audio output signal level depends on the Medium Input following load conditions listed for the external 0.25 V p-p amplifier. Low and Medium Input OPEN LOAD 0.40 V p-p Low Input 0.30 V p-p Medium Input 0.60 V p-p Low and Medium Input 0.90 V p-p PSS 21H-4E1 B4 Page 3 ENVIRONMENTAL SPECIFICATIONS The Annunciator Keyboard/Panel and Annunciator/Numeric keyboards are designed for a temperature range and a control room environment where the temperature is controlled and the relative humidity is indirectly controlled. Operating Temperature Location 0 to 50°C (32 to 122°F) Is suitable for use in ordinary locations and is designed to meet ordinary safety standards for fire Storage Temperature and shock hazards -40 to +70°C (-40 to 158°F) Contamination Class G1 (Mild) as defined in ISA Standard S71.04 PHYSICAL SPECIFICATIONS Mass Construction 2.72 kg (6.0 lb) Layered flat mylar (Keyboard) Cold-rolled steel (Base) Polyurethane (Foot Pads) PSS 21H-4E1 B4 Page 4 DIMENSIONS—NOMINAL KEYPAD SURFACE mm in 152 6.0 55.6 2.19 152 524 6.0 20.64 TOP VIEW SIDE VIEW KEYBOARD KEYPAD SURFACE 290.6 11.44 68.1 287.2 2.68 10.52 SIDE VIEW TOP VIEW PANEL 33 Commercial Street Invensys, Foxboro, and I/A Series are trademarks of Invensys plc, its Foxboro, MA 02035-2099 subsidiaries, and affiliates. United States of America All other brand names may be trademarks of their respective owners. www.foxboro.com Inside U.S.: 1-866-746-6477 Outside U.S.: 1-508-549-2424 Copyright 1997-2008 Invensys Systems, Inc. or contact your local Foxboro All rights reserved representative. Facsimile: 1-508-549-4999 MB 21A Printed in U.S.A. 0608