IBA SM128V VMEbus Interface Board

　　About this manual

　　This compact manual provides the information for installation and handling of the VME interface board ibaLink-SM-128V-i-2o. For further information concerning the system integration and software configuration please refer to the corresponding engineering manuals and / or software documenta- tion of our software products used in conjunction with this device.

　　Target group

　　This manual addresses in particular the qualified professionals who are familiar with handling electrical and electronic modules as well as communication and measurement technology. A person is regarded to as professional if he/she is capable of assessing safety and recognizing possible consequences and risks on the basis of his/her spe-cialist training, knowledge and experience and knowledge of the standard regulations.

　　Introduction

　　The ibaLink-SM-128V-i-2o VMEbus interface card is a multi-purpose, bi-directional in-terface card designed for use in VMEbus compatible PLCs and computer systems. It may be used for data acquisition and process monitoring purposes as well as in control system applications, such as the ibaLogic SoftPLC. In the following the board will be named SM128V for a more simplified description.

　　Key features of the SM128V include:

　　 1 bi-directional fiber-optic link with 64A+64D inputs/outputs per link (channel 1)

    　 1 unidirectional fiber-optic link with 64A+64D outputs per link (channel 2)

　　 Synchronous message transmission of all channels on both links at 1ms rate

　　 Address switches for cascading of up to eight SM128V interface cards on link Channel 1

　　 Compatible interface for ibaFOB-io, ibaFOB -4i (-S), ibaFOB-4o

　　 Compatible process i/o interface for ibaPADU-8-IO series and ibaNet750-BM series

　　 5 V power from VMEbus

　　The SM128V can be used in both VME32 and VME64 systems. The card requires a5 V power supply.
       The following non-privileged modes of VME access can be realized:

　　A24 as well as A32 with the following VMEbus data formats

　    D08 (E0)

　　 D16

　　 D32

　　 A40 MD32 (upon special request)

　　The modes BLT and MBLT as well as automatic configuration and geographic address- ing are in preparation but not available now. The 2eVME mode is not intended to be realized. Access is permitted in non-priviledged data access mode only.

　　The SM128V is a passive board on the VMEbus, i. e. no active access or interaction on the VMEbus will be performed. The board uses 256 kByte address space at VMEbus.

　　 Related specifications (VITA Standards):

        VMEbus

　　 IEEE 1014-1987

　    VME64

　　 ANSI VITA 1-1994 VME64X; VITA 1.1-19

　　Remark: Since one analog channel corresponds always to one digital channel within the iba bus concept, an analog value together with a digital value are referred to one channel or one signal for a more simplified description.

SM128V.pdf

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