Pressure Systems 9816 Manuale Utente

Pressure Systems, Inc.                                                                              98RK-1 & 9816 User’s Manual© 
 
 

 

Page 92 

 

www.PressureSystems.com 

 
Purpose: 

Change a module’s default operating option settings, or invoke special internal  
operations or functions.  

 

Command 

“wii[dd[ eeee]]” 
 
‘w’  is the command letter. 
‘ii’ is the index field. 
‘dd’ is an [optional] hex datum. 
‘ eeee’ is an [optional] extra datum 
with leading space character. 

Response 

 “A” 
 
‘A’ is the acknowledge letter. 

 
Description: The index field (ii) contains two hex digits that identify the specific option to be  

set or function to be performed.  The datum field (dd), when present, contains 2  
hex digits. A few indexes also require an extra datum field (eeee).  Valid  
options/functions are listed in the table below (-- marks a missing datum field in  
its column, and fourth column shows any 'q' command index that reads same  
option): 

 

ii 

dd 

Description 

index 

00 -- 

Execute Internal Self Test.  

01 -- 

Update Internal Thermal Coefficients.  

02-06 

-- 

Reserved for factory use 

 

07 -- 

Store Most Operating Options in nonvolatile flash 
memory.  See *** Note at end of table. 

 

08 -- 

Store Current Offset Terms in transducers’ non-volatile 
memories.  See *** Note at end of table. 

 

09 -- 

Store Current Gain Terms in transducers’ non-volatile 
memories.  See *** Note at end of table. 

 

0A 01-10 

(1-16) 

Set Number of Channels in Module (default =16). 

 

 

0B 

00 

 

01 

Enable Automatic Shifting of Calibration Valve during 
Calculate and Set Offsets ('h') command (default). 
Disable Automatic Shifting of Calibration Valve in 'h'.  
User will manually control calibration value.