ODiSI 6
ODiSI 6
User’s Guide
Page 88
Number of Gages
The element “number of gages” indicates the length of the “data” array. This value should be
the same as the total number of gages defined in the “gages” and “segments” section in the
Metadata Message. It is included as a sanity check.
There is no limit on the number of gages that can be contained in a single sensor. The current
ODiSI product can generate a maximum of approximately 38,500 gages per sensor (50 m
sensor with Gage Pitch of 1.3 mm).
The Measurement Message header contains the following information, formatted as JSON
name/value pairs.
Table 8-5 OMSP Measurement Message Header.
Description
JSON name
Value
Message type
”message type”
String “measurement”
Message format version
“message version”
Integer. 2 is the current
version.
Product
“product”
String Ex: “ODiSI 6000”.
System serial number
“system serial number”
String
Sequence number
“sequence number”
Integer, 0 - 4,294,967,295.
(Unsigned 32-bit integer.)
Sequence number will wrap
back
to
0
after
4,294,967,295.
Timestamp
“year”
Integer, 4-digit year. Ex: 2018
“month”
Integer, 1
– 12
“day”
Integer, 1
– 31
“hours”
Integer, 0 - 23 (24 hour
notation)
“minutes”
Integer, 0 - 59
“seconds”
Integer, 0 - 59
“milliseconds”
Integer, 0 - 9999
Time zone
“time zone”
String. Ex: “UTC-0”
Channel
“channel”
Integer. Should match one of
the “channel” fields in the
“sensors”
array
of
the
Metadata Message.
1 - 8 for the ODiSI 6.
Number of gages
“number of gages”
Integer
