Commands data.1 data.2, Mdl" command, Mtr" command – Watlow Series 942 Data Communications User Manual
Page 21: Commands, Data.1 data.2
21
How to Use Data Communications
WATLOW Series 942
"?" Commands
Table 6 -
"? MTR" Command
Response Data.
< > = Non-literal
Description.
PtYP = rAtE PtYP = tI
Step Type
Set Point
Set Point
Soak
Jumploop
End
Step #
<Step#>
<Step#>
<Step#>
<Step#>
<Step#>
Type Code
1
1
2
3
0
Data.2
<SP>
<SP>
<HOUr>
<JS>
<End>
Data.3
<rAtE>
<HOUR>
<min>
<JC>
Data.4
<Ent1>
<MIN>
<SEC>
Data.5
<Ent2>
<SEC>
<Ent1>
Data.6
<Ent1>
<Ent2>
Data.7
<Ent2>
"? MDL" Command
This command asks the 942 for the type of unit and the level of software. The
model number will appear as 1 character. The syntax of the function is as
follows:
? <Space> MDL
This function will return the following information:
942<Model number> <Space> <Software revision level>
"? MTR" Command
The ? MTR command monitors the current RUNning step.
The syntax for this command is:
?<Space> MTR
There are no arguments to the command. The command will return the
following data:
<Current Step #> <Space> <Current Step Type> <Space> Data.4 <Space>
Data.5 . . .Data.n
Table 6 below shows how to interpret the response syntax. Note that each
argument is an ASCII decimal number representing a specific value for each
parameter listed in the table. A response would be:
<11> <space> <1> <space> <375> <space> <2> <space> <30> <space> <0>
<space> <1> <space> <1>
This tells you that the current step is #11 a Set Point step, the SP is 375°. Step
time is 2:30:00, Events 1 and 2 (Ent1, Ent2) are ON.
Data.1
Data.2
Low Limit
High Limit
Code
Function
TAG
0
7
0
- - - = no logging
1
- - A
2
- S -
3
- SA
4
P - -
5
P - A
6
PS -
7
PSA
Table 5 -
Continued
NOTE:
P = Process
S = Set Point
A = Auxiliary Status
- - - = no logging