Measurement Specialties 9116 - Manual (Page 92)

Pressure Systems, Inc. Model 9116 User’s Manual
Page 83 www.PressureSystems.com
SET/DO OPERATING OPTIONS/FUNCTIONS (Command ‘w’)
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 option index field.
‘dd’ is an [optional] hex datum field.
‘eeee’ is an [optional] extra datum with a 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
‘q’ read
index
00 --- Execute Internal Self Test.
01 --- Update Internal Thermal Coefficients.
02-06 --- Reserved for factory use
07 --- Store Operating Options in non-volatile flash memory.
08 ---
Store Current Offset Terms in transducers’ non-volatile
memories.
09 ---
Store Current Gain Terms in transducers’ non-volatile
memories.
0A 01-10 Set Number of Channels in Module (default =16 for 9116).
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.