Download How to manually test CAMAC modules

TABLE OF CONTENTS
THE ISAAC NEWTON GROUP OF TELESCOPES ......................................................................................... 0
LIST OF FIGURES ................................................................................................................................................. 1
DOCUMENT HISTORY ...................................................................................................................................... 1
OVERVIEW ............................................................................................................................................................ 2
LAYOUT OF RACK FOR CAMAC TESTING AND REPAIRS ................................................................ 3
THE SYSTEM CRATE .......................................................................................................................................... 3
THE BRANCH CRATE ......................................................................................................................................... 4
CRATE INTER-CONNECTIONS ......................................................................................................................... 5
MODULES GENERALLY LEFT IN TEST CRATES ........................................................................................ 5
BASIC SETTINGS FOR THE SC-TST-1 TEST CONTROLLER ..................................................................... 5
WGR2403 WORD GENERATOR AND DTM4 DATAWAY MONITOR TESTING ..................................... 6
TESTING BRANCH COUPLERS (BC) AND CRATE CONTROLLERS (CC) .............................................. 7
BRANCH COUPLER (BC) .................................................................................................................................. 7
CRATE CONTROLLER (CC) .............................................................................................................................. 7
READ AND WRITE TESTS – SYSTEM TO BRANCH – BRANCH TO SYSTEM ........................................ 8
TESTING INPUT REGISTER AND OUTPUT DRIVER MODULES ............................................................ 10
TEST CABLES ................................................................................................................................................... 11
MODULE TEST PRELIMINARIES................................................................................................................... 12
IR48 DUAL 24 BIT INPUT REGISTER ............................................................................................................ 12
OD48 DUAL 24 BIT OUTPUT DRIVER........................................................................................................... 13
TESTING THE OD2411 ..................................................................................................................................... 14
HYTEC 450-4 24 BIT INPUT/OUTPUT REGISTER ........................................................................................ 15
PR2402 AND PR2403 PARALLEL INPUT REGISTERS ................................................................................. 17
TESTING A PR2403 PARALLEL INPUT REGISTER ..................................................................................... 18
OD2407 DUAL 24 BIT OUTPUT DRIVER....................................................................................................... 19
TESTING THE RGO 32BIT COUNTER MODULE ........................................................................................ 21
GENERAL INFORMATION .............................................................................................................................. 21
TEST SETUP USING A BEI INCREMENTAL ENCODER ............................................................................. 22
GAEBRIDGE ENCODER SIMULATOR .......................................................................................................... 26
USING THE SIMULATOR ................................................................................................................................ 27
TESTING MISCELLANEOUS MODULES ...................................................................................................... 27
MULTIDAC (Digital to Analogue Converter) .................................................................................................... 27
ED012 (Clock Pulse Generator) ......................................................................................................................... 28
HYTEC ADC1232 (Analogue to Digital) Module .............................................................................................. 29
Conclusion .............................................................................................................................................................. 30