Chapter 3 – Start-up and adjustments
UM-22100H-U User manual ATEQ D520 Page 35/122
2.2. SELECTION OF THE TEST TYPE
Two test types are available.
The PARAMETERS menu
gives access to two possible
test types: Indirect or direct
flow test (FLOW. CYCLE) and
an operator test
(OPERATOR) non functional;
refer to the following
paragraph for explanations.
Place the cursor in front of the
required test type and confirm
with the ENTER key.
DIRECT FLOW
OPERATOR
2.2.1. Flow test (direct or indirect)
When a fluid (gas) passes through a calibrated flow tube (laminar flow), a pressure drop
takes place, the value of which is proportional to the flow.
2.2.2. Test with reference
This kind of test is an option. It's named "Rich" or "High Precision". It's allows shifting
the pneumatic circuit to a master (reference program), this is to make a learning before
measuring on the test part (flow program).
The master characteristics are to be informed in the (single) "reference" program. See
the "reference" function in the chapter 4.
Procedure for test with reference:
¾ Program the reference cycle.
¾ Program the flow test cycles with the same parameters as the reference one.
¾ Activate the reference function in the flow cycle.
2.2.3. Operator mode test
This test type allows the operator to carry out actions (or checks) on the part undergoing
a test then to confirm them with the "START"
key if the test is considered to be
good, or on the "RESET" key if the test is considered to be bad.
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