Measurement Specialties 9116 User Manual

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Pressure Systems, Inc.                                                                                        Model 9116 User’s Manual 
 
 
 
Page 69 
 
www.PressureSystems.com 
READ MODULE STATUS  (Command ‘q’) 
 
Purpose: 
Returns requested module status information.    
 
 
 
Command 
qii” 
 
q’  is the command letter 
ii’ is the status index field 
 
Response 
hhhh” 
hhhh’ is a 4-digit hex datum (or other (**) decimal datum
 
 
Description:  The 2-digit hex index field (ii) chooses a particular status field to be returned.  
 
 
  Returned value is described in the following table for each index (a third column  
  
 
shows 
any ‘w’ command index for setting same option.  
 
 
ii 
returned value 
4-digit hex or other decimal (**) 
‘w’ set 
index 
00 
Module’s Model Number, as decimal (**) integer value (e.g, 9116). 
 
01 
Firmware Version, as hex value 
(expressed internally as integer version * 100). 
(e.g. hex ‘0100’ = 256 decimal, means Version 2.56) 
 
Power-up Status, as 16-bit hex bit map, bits having the following 
meaning: 
 
Bit 0 (LSB): 
A/D Failure Error. 
 
Bit 1:  Transducer Re-zero Adjustment (offset) Term Range Error (out- 
 
of-range values set to 0.0 internally). 
 
Bit 2:  Transducer Span Adjustment (gain) Term Range Error (out-of- 
 
range values set to 1.0 internally). 
 
Bit 3:  Temperature Correction Coefficients Not Present or Out-of-Range  
 
(if transducer has one or more bad coefficients, all set to 0.0). 
 
Bit 4:  reserved (for transducer checksum) 
 
Bit 5:  FLASH Initialized Data Section Checksum Error (if error, all data  
 
variables set to factory defaults and stored in FLASH). 
 
02 
Bit 6:  SRAM Error. 
 
03 reserved 
 
04 reserved 
 
05 
Number of A/D Samples To Average, as hex value (e.g., 000A=10 
decimal). 
10