Watlow Series 942 Data Communications - Manual (Page 21)

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 #
Type Code 1 1 2 3 0
Data.2
Data.3
Data.4
Data.5
Data.6
Data.7
"? 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:
? MDL
This function will return the following information:
942
"? MTR" Command
The ? MTR command monitors the current RUNning step.
The syntax for this command is: ? MTR
There are no arguments to the command. The command will return the
following data:
Data.4
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> <1> <375> <2> <30> <0>
<1> <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