wtw DIQ/S 181, Operating Manual

Page: 35 / 104

DIQ/S 181
Installation
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ba77083e01 02/2015
3.10 Commissioning
Start checklist and
system start
Before starting the system, carry out the system check using the follow-
ing checklist. Always carry out the check:

before the initial commissioning

before any further commissioning if the system has been previously
extended or modified.
Starting the system Switch on the power supply of the DIQ/S 181. As soon as the system
is successfully initialized, the measured value display appears. With a
sensor not yet providing any measurement values, "Init" appears tem-
porarily:
Relais contact
Bridge
Auxiliary voltage output
Valve control line
Separating plate
Start checklist:
1 Are all components correctly connected with each other (see
section 3.5, if necessary, section 3.12)?
2 Is the universal transmitter correctly connected to the power
supply (see section 3.8)?
3 Do the line voltage and line frequency agree with the data on
the name plate of the universal transmitter?
4 Is the sensor ready for measuring, e.g. a D.O. sensor filled
with electrolyte solution?