SoftPLC Hot Standby Loadable Module: SPZ-HS


Price: $495.00

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SoftPLC Hot Standby Loadable Module Overview

The SoftPLC Hot Standby Loadable Module (TLM) can be added as a software option to any SoftPLC® controller, and manages the Hot-Backup related activity of each SoftPLC CPUs of a redundant pair.

The SoftPLC Hot Standby system uses both hardware and this software component to create a control system with redundant PACs for systems that cannot easily tolerate downtime due to single points of failure.

A Hot Standby system consists of:

  • (2) SoftPLC controllers, identically configured and using ethernet remote I/O (hardware component)
  • (2) SPZ-HS, one in each SoftPLC Controller
  • (1) SoftPLC Arbitrator (Cat No SPZ-HSA). This is a "dumb" device which functions as a pass-through (or block) for the communications from the two SoftPLC CPUs to the remote I/O. The Arbitrator ensures that only one unit will be able to control the I/O.(hardware component)

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