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If Budget = Text Display, Try SAMBA™
Cara Bereck Levy posted a blog entry in Unitronics' Blog: PLCs, HMIs and more
Samba™ is an all-in-one palm-sized HMI + PLC + onboard I/Os. As a trendsetter in the field of all-in-one PLC + HMI integrated controllers, Unitronics has specifically developed Samba for applications that require PLC control, but that are limited by budget to simple text displays. System integrators and OEMs often develop applications that require PLC control, but that settle on simple text displays due to limited budget. Samba's beautiful HMI 3.5” QVGA 16-bit touchscreen enables data entry and display of variable data, including color Trend graphs and alarm screens. The HMI supports 24 user-designed screens, and up to 40 images per application. The integrated PLC controller offers a broad range of features including 2 auto-tuned PID loops, time-based RTC control, datalogging, recipes and more. Internal memory holds 0.5 MB of application logic, plus 512K for fonts and 0.5 MB for images. Onboard I/Os offer digital, analog, and high-speed functionality. The flat fascia and IP66/IP65/NEMA4X rating makes Samba an excellent fit for the food & pharmaceutical industries--ideal wherever spray/wipe down requirements apply. Samba offers a built-in RS232 port. You can add an additional RS485 serial, Ethernet, or CANbus port. Samba supports GPRS/GSM, email, SMS, as well as industrial TCP/IP protocols, MODBUS, DF1 slave, CANopen, J1939 and more—and it may be adapted to any 3rd-party protocol. Unitronics free VisiLogic software provides a single simple environment for hardware and communications configuration, Ladder application development, and HMI design, including a free library of industrial images. Free utilities support remote PC access and data export. Unitronics offers free technical support for all of their products, and an active user forum. Samba offers all the functionality system integrators need for small applications, reduces space requirements, wiring, and eliminates the need to set up Panel-PLC communication—resulting in an excellent price/performance ratio. For more information, go to: http://www.unitronics.com/plc-hmi/samba
