Siemens Energy & Automation, Inc.: LOGO! TEXT DISPLAY DELIVERS AFFORDABLE HMI

Tuesday, September 30, 2008

The new LOGO! TD text display panel from Siemens Energy & Automation provides an affordable HMI (Human Machine Interface) for equipment builders and their customers, even on the simplest relay control systems. By having a display panel with built-in operator functions and diagnostic messages customized for their process, end users can now make quick adjustments or easily troubleshoot failures. The LOGO! TD is ideal for migrating a basic hardwired control design (pushbutton/pilot devices, rotary timers, counters, and cube relays) to a programmable controller. In most cases, only a programmable relay with a simple interface is needed for operators to adjust settings and view status. The text display is a backlit LCD with a 128 x 64 pixel resolution capable of displaying four lines of text with up to 12 characters per line. With a built-in horizontal and vertical bar graph display feature, viewing options are not limited only to text. The bar graph display modes can be configured to represent any numeric value in the LOGO! controller, including an attached tank level sensor, flow rate, rpm, counts, time and cycles. Additional display capabilities include a text ticker feature that can scroll up to a 24 character text message horizontally across the screen. The LOGO! TD also includes six buttons for screen navigation and data entry, along with four user function buttons configurable for any desired equipment operation. The text display is designed in an IP65 case rated for NEMA 4/4X indoor wash down environments and is certified with industry standard agency approvals including cUL US, Factory Mutual Class 1 Div 2, and C-Tick.

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