Editor's Pick: Featured Product News
Expanded Communications and Analog I/O Capabilities for the BRX PLC
New expansion I/O modules from AutomationDirect for the BRX stackable micro brick PLC include communications modules, universal analog I/O modules, and universal temperature combination I/O modules. Expansion modules snap onto the side of any BRX Micro PLC Unit (MPU) or BRX Remote I/O controller, creating a sturdy and rugged PLC platform.
Added BRX serial communications modules ($159.00) provide four isolated RS-232 ports that support communications flow control or RS-422 serial ports. Also available are BRX single-channel RS-232 (with flow control) and RS-422 Pluggable Option Modules ($49.00). Supported protocols include Do-more! Protocol, Modbus RTU (Master/Slave), K-Sequence, and ASCII (In/Out). Data rates are 1200 to 115,200 bps.
Products for Panel Builders
Editor's Pick: Featured Article
How to choose an Industrial Automation Controller
There are many important items to consider when choosing a controller for machine and process automation. Breaking down the equipment’s operational needs is a starting point and will help evaluate the range of controllers specified by OEMs or machine builders. Depending on how the equipment fits into the larger manufacturing environment, the automation system can provide a complete solution or just control individual parts.
The controller specified, such as a PLC or PAC, can control a single station, a machine, a process unit, a whole assembly line or an entire plant. If an integrated manufacturing system is being automated, a single large controller using multiple expansion and remote I/O bases communicating via Ethernet can provide end-to-end control.
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Panel Building Tips
How To Build a Motor Starter in Accordance With UL 508A
UL 508A allows control panel builders to apply a UL label to their finished assemblies without having to run those assemblies through specific UL testing. As long as they adhere to the standard’s requirements, builders can put the UL label on the finished product and save money by not having to send it to UL for testing.
According to UL, the UL 508A standard applies to industrial control panels intended for general industrial use that operate from a voltage of 1000 volts or less. This standard also applies to industrial control panel enclosures and industrial control panels used for flame safety supervision of combustible fuel type equipment; elevator control; crane or hoist control; service equipment use and various other applications.
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