>So each step no more than 3 minutes.  3 mins 1 sec it fails on that step.


Think of it as there being a big CPU time bucket for *the job*.
There is a limited amount of CPU time in it when TIME= *is* specified on the 
JOB statement, or an unlimited amount, when TIME= *is not* specified on the JOB 
statement.

Then, there is another CPU time bucket for *the step*.
At step initiation each step gets the bucket replenished from the job level 
bucket. The amount the system *tries* to fill in is the value of the TIME= 
parameter on the EXEC, if present, or the value from the JOBCLASS (JES2, don't 
know about JES3) otherwise. If the job bucket does *not* have unlimited 
amounts, the step can only get the amount assigned if there is enought left in 
the job bucket. So a step might not get as much as it was assigned.
At step end, the system puts back into the job bucket whatever the step has 
*not* used.


--
Peter Hunkeler

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