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EC205 Ethernet Time Clock
OverviewSee the new biometric ethernet clock: EC205-FPThe EC205 Ethernet Time Clock is a low cost data collection device that communicates over a 10BaseT network using TCP/IP protocol. It captures employee time & date stamp records and stores them locally until downloaded by a host computer. The operator interface consists of an LCD display and membrane switch keypad with additional input options for bar-code, mag-stripe, and RS-232 serial. Custom prompts and validation logic can be uploaded in to the clock. The EC205 can also be configured to trigger alarms at certain times of the day. Up to four (4) optional relay outputs can be provided to control external devices. Possible Applications for the EC205 Time Clock include:
Theory of OperationThe EC205 Time Clock is programmed to operate as a data collection device and configured for a time and attendance application. A configuration file provides the prompt logic, validation information, and alarm data. The default prompting logic can be modified by uploading a new configuration file in to the clock. Operator responses are stored in a data file in the clock until downloaded by a host computer. Once the data has been downloaded it is erased from the clock memory.The EC205 Time Clock connects directly to a standard 10BaseT Ethernet hub. Network communications is provided by standard TCP/IP protocol. Each clock requires a network address and must be configured with a unique IP address and net mask BEFORE it is installed on the network (see Network Setup Mode). File transfer is provided by TFTP protocol and a Telnet server is provided to support the command mode. The EC205 can be programmed to trigger an alarm at a certain time of day. Up to 24 alarms can be set in the clock and each alarm can either activate the internal bell or one of the optional relay outputs. Operator InterfaceThe EC205 includes an LCD display and a numeric keypad as the primary operator interface console. In addition, the terminal may include optional bar-code and/or mag-stripe input readers and an aux RS-232 port for connection of a serial input device. Optional digital inputs with counters and software controlled relay outputs provide machine control for an external device.Click here for an interactive view of the EC205 operator Interface DisplayThe EC205 display is a two (2) line by twenty four (24) column LCD character display. It can display the 96 standard ASCII characters and 96 non-standard symbols in a 5 x 7 dot matrix font. The cursor position is identified by a blinking box and can be positioned under software control. Display backlighting is available as an option for low light installations.KeypadThe EC205 operator keyboard consists of a four (4) row by six (6) column membrane switch keypad. Two (2) shift keys (S1 and S2) are provided to generate upper case alpha characters and several special characters. The keypad also includes eight (8) functions keys (F1 - F8) which can be used to select a specific prompt sequence. The keypad in covered by a windowed overlay allowing the function key legends to be changed by inserting a new graphic between the overlay and membrane switch array. The shift keys are only used to expand the number of ASCII characters that can be entered by the keypad.Network CommunicationsThe EC205 provides network communications for data transfer and configuration. Data files are transferred to/from the clock using TFTP protocol. Access to the clock operating parameters can also be made over the network using the Telnet protocol. A Windows based utility program (ET200UP) is provided which provides both TFTP and Telnet clients as well as a data download function.TFTP Data TransferThe EC205 memory stores data in files which can be transferred over the network using a TFTP client program on a host computer. Captured data can be downloaded as a file to the host computer and will be deleted from the clock.Telnet Command ModeThe EC205 includes a command mode which can be accessed over the network with a standard Telnet client. Once a Telnet connection is established the host client can send commands to and receive responses from the clock. These commands can be used to set the time and date, change operating parameters, or retrieve status information.Physical InterfacePower SupplyThe EC205 is powered by a 12vdc power adapter that plugs directly into a 120vac receptacle. Typical power consumption is less than 15 watts. Attaching optional input devices (laser scanners, card readers, etc.) can increase the power consumption slightly. Alternate power supplies can be used by connecting them via the EC205 power jack.Ethernet 10BaseT Jack (RJ-45)
Bar-code Scanner Input
Aux serial port (DB9M, DTE configuration)
OptionsBar-Code InputThe bar-code decoder input option allows one (1) or two (2) bar-code input devices to be interfaced to the EC205 clock. Typically, the EC205 is packaged in a wall mount enclosure which includes an integral slot reader. Decoded input is treated just like keyboard entered data and includes an automatic Enter (<CR>) code. The decoder will automatically discriminate and decode Code 39, Code 128, Interleave 2/5, Codabar, and UPC/EAN symbologies. Available input scanning devices include wands, slot readers, and wand emulating CCD or laser scanners.Mag-Stripe InputThe mag-stripe decoder input option allows either a single or dual track magnetic card reader to be interfaced to the EC205. The input is treated just like keyboard entered data.Aux Serial Input/OutputThe auxiliary serial port option allows an additional RS-232 device to be connected to the terminal. Input to the aux serial port is treated similar to keyboard entered data and can be used to attach a serial bar-code scanner, scale, or similar input device. Access to the aux serial port is provided by a DB9M connector configured as a DTE device.Relay OutputThe EC205 can be quipped with up to four (4) solid state relay (SSR) outputs. These outputs can be triggered by a valid operator response to a prompt or an alarm event. Each relay has a single "form A" contact rated at 10va (100vdc, 100ma.) maximum. If larger loads must be controlled an external relay is required.SpecificationsDimensions
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Options
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