;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
;
;*NAME:                pics_cblock
;
;*CATEGORY:            PMAS Instrument Control Software
;
;*PURPOSE:             update CONSTANTS parameter block in memory and on disk
;                      using default path and file names
;
;*CALLING SEQUENCE:    pics_cblock, err, /READ
;
;*PARAMETERS
;             input:   none     
;
;            output:   none -- BUT: COMMON Block cblock may be modified
;
;          Keywords:   /READ
;                      /WRITE
;                      /LOG
;                      /FNAME
;                      /VERBOSE
;                      /VERSION
;
;*EXAMPLES:
;
;*SYSTEM VARIABLES USED:
;
;*COMMON BLOCKS:
;
;*INTERACTIVE INPUT:
;
;*SUBROUTINES CALLED:
;
;*FILES USED:
;
;*SIDE EFFECTS:
;
;*RESTRICTIONS:
;
;*NOTES:
;
;*PROCEDURE:
;
;*MODIFICATION HISTORY: 
pics_cblock_VERSION = 'pics_cblock.pro Version 1.0 --- 27/08/02 mmr'
;
;	27/08/02	MMR	initial programming
;          
;*AUTHORS:
;
;	MMR		Martin M. Roth	Astrophysikalisches Institut Potsdam
;					An der Sternwarte 16
;					D-14547 Potsdam  
;					Tel. +49 - 331 - 7499 313
;                                       email: mmroth@aip.de
;-