2
1MRS 750540-MUM EN
Issued 1996-10-23
Modified 2002-10-09
Version B (replaces 34 SRIO 500M 1 EN1)
Checked MK
Approved OL
Data subject to change without notice
SRIO 500M
Data communication
and reporting unit
Contents
Features .......................................................................................................................... 2
Introduction ................................................................................................................... 3
Applications .................................................................................................................... 4
Substation and remote control systems ...................................................................... 4
Functions ........................................................................................................................ 5
Event logging ............................................................................................................. 5
Data acquisition ........................................................................................................ 5
Real-time clock .......................................................................................................... 5
Host interface, ANSI X3.28 protocol ........................................................................ 6
Host interface, SACO 100M protocol ....................................................................... 6
Programming ............................................................................................................. 6
Mechanical and electrical design ..................................................................................... 7
Mechanical structure ................................................................................................. 7
Printed circuit boards ................................................................................................ 8
Memory chips on CPU and memory boards ............................................................. 8
Interfaces ........................................................................................................................ 9
Front panel ................................................................................................................ 9
Serial interfaces .......................................................................................................... 9
Connectors ........................................................................................................... 9
Serial interface connector pin assignment ........................................................... 10
User selectable options ....................................................................................... 11
Power supply ........................................................................................................... 11
Special purpose I/O ................................................................................................. 12
Technical data
(modified 2002-10)
................................................................................ 13
Maintenance and service ............................................................................................... 14
Self diagnostics ........................................................................................................ 14
Fault localization ..................................................................................................... 14
Service and spare parts ............................................................................................. 15
Ordering information ................................................................................................... 15
Features
Interface unit between a host level system and
the SPACOM system
Host interface unit using the ANSI X3.28 or
SACO 100M protocol
Data base of max. 500 data items
Event buffer of max. 500 events
Three serial interfaces:
No 1: host computer or programming terminal
interface
No 2: SPA-bus interface
No 4: programming terminal or event printer
interface
