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Title: EPICS: Allen Bradley driver and device support

Technical Report ·
DOI:https://doi.org/10.2172/211379· OSTI ID:211379
 [1];  [2]
  1. Argonne National Lab., IL (United States)
  2. Los Alamos National Lab., NM (United States)

EPICS provides support for the Allen Bradley VMEbus I/O Scanner. Support consists of a driver and device support. The driver provides the following features: Support for 8, 16, and 32 bit digital I/O modules. Inputs can be scanned such that the caller is notified whenever one or more bits of an input or output card change. Arbitrary Block Transfers (Input and Output) with the caller being notified when the block transfer completes or times out. Software scanning of analog output and input modules. Device support is provided for the following record types: ai, ao, bi, bo, mbbi, mbbo, mbbiDirect, and mbboDirect. This document describes the version of the Allen Bradley support that first appeared in EPICS release 3.12.beta11. The adapter and card status commands were not available until 3.12.beta12. The reader should also consult the manuals EPICS: Allen Bradley - Hardware Reference Manual, Greg Nawrocki, Allen Bradley manuals: VME scanner, I/O concepts, and various I/O modules.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
211379
Report Number(s):
ANL/ASD/RP-87219; ON: DE96006132; TRN: 96:009241
Resource Relation:
Other Information: PBD: [1996]
Country of Publication:
United States
Language:
English