Display panel has built in functions, diagnostics

A 24-character text messaging feature is built in to the new Logo! TD text display panel from Siemens, a unit designed for migrating from hardwired to programmable control.
By Control Engineering Staff October 9, 2008

Atlanta –A text ticker feature that can scroll up to a 24-character text message horizontally across the screen is one of the features of the new Logo! TD text display panel from Siemens Energy & Automation. Designed to be an affordable HMI (human machine interface) for equipment builders and their customers even on simple relay control systems, the panel has other built-in operator functions and customized diagnostic messages.  

The unit is designed 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 Logo! TD text display panel from Siemens Energy & Automation

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. It includes a built-in horizontal and vertical bar graph display feature, which can be configured to represent any numeric value, including an attached tank level sensor, flow rate, time or cycles. The unit also includes six buttons for screen navigation and data entry, along with four configurable user function buttons. 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.

Visit www.sea.siemens.com/logo

– Edited by Renee Robbins , senior editor
Control Engineering News Desk
Register here and scroll down to select your choice of eNewsletters free .