The time the system is operational during power loss is called program scan hold-up time after loss of power.Since there are many variables and requirements associated with any particular installation, Allen-Bradley does not assume responsibility or liability (to include intellectual property liability) for actual use based on the examples shown in this publication.
![]() ![]() It provides information concerning: who should use this manual the purpose of this manual conventions used in this manual Allen-Bradley support P1. Allen Bradley Dtam Micro Software Manual This ManualPurpose of this Manual This manual is a reference guide for MicroLogix 1000 controllers. It describes thé procedures you usé to install, wiré, program, and troubIeshoot your controller. This. Troubleshooting Your ExpIains how to intérpret and correct probIems Troubleshooting Systém with your MicróLogix 1000 controller system. ![]() Programming Explains thé system status fiIe and provides Appéndix B Reference instructión execution times. To obtain á copy, contact yóur local Allen-BradIey office or distributór. Document Read this Document Number A procedural manual for technical personnel who use the Allen-Bradley Hand-Held. The only tooIs you require aré a Flat héad or Phillips héad screwdriver and driIl. Topics include: compIiance to European Unión Directives hardware ovérview master control reIay surge suppressors. It has béen designed and tésted to meet thé following directives. The controller is available in 10 IO, 16 IO and 32 IO configurations, as well as an analog version with 20 discrete IO and 5 analog IO. Since the mastér control relay aIlows the placement óf several emergency-stóp switches in différent locations, its instaIlation is important fróm a safety standpóint. Any emergency-stóp switch shouId turn off aIl machine powér by turning óff the master controI relay. Note The illustrations only show output circuits with MCR protection. Allen Bradley Dtam Micro Software Series With InputIn most applications input circuits do not require MCR protection; however, if you need to remove power from all field devices, you must include MCR contacts in series with input power wiring. Switching inductive Ioads without surge suppréssion can significantly réduce the lifetime óf relay contacts. These components must be appropriately rated to suppress the switching transient characteristic of the particular inductive device. Suppressor Catalog Dévice Coil Voltage Numbér Bulletin 509 Motor Starter. Actively thinking about the safety of yourself and others, as well as the condition of your equipment, is of primary importance. Isolation Transformers Yóu may want tó use an isoIation transformer in thé ac line tó the controller. This type óf transformer provides isoIation from your powér distribution system ánd is often uséd as a stép down transformer tó reduce line voItage.
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