Brian Breneman, Brentek's Chief Engineer, discusses how watchdog timers can help designers cope with computer and industrial controller (PLC) failures, what signals to use to "kick the watchdog", and where in the program loop to generate the "heartbeat" that resets the watchdog timer.
The newly-introduced G-1AMPx-LTCH Latching Relay Output Module provides “fail-safe” control by latching the last output contact state (ON or OFF) prior to power-down.
Industrial Products Distributing, Inc. has been certified as a Small/Women-/Minority-owned Business Enterprise (SWMBE) by the the Central Certification Program (CERT) sponsored by Hennepin County, Ramsey County, and the City of Saint Paul (Minnesota).
With QUAD Output Modules and Quad Input modules becoming obsolete throughout the industry, the problem of how to deal with legacy systems using QUAD modules remains… until now.