Read Module Status - Pressure Systems 9022 User Manual

Pressure Systems, Inc.
READ MODULE STATUS (Command 'q')
Purpose: Returns requested module status information.
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
00
Module's Model Number, as decimal (**) integer value (e.g, 9016).
01
Firmware Version, as hex value
(expressed internally as integer version * 100).
(e.g. hex '0100' = 256 decimal, means Version 2.56)
02 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).
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
returned value
4-digit hex or other decimal (**)
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'w'
set
index
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