Lumel P30U series - Page 41

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treated as the measured value (register 8000). If the request refers
toalargernumberofregisters(parameterNo.ofVal1),thenitis
possibletodisplay,atthebottomrowofthedisplay,thevalueofother
register than the first one being polled, because all the polled regi-
stersarecopied totheblockof registersfromtherange 8000...8049.
For example, when we want to display additionally the value
of the second register being polled, we should set the value “8001”
in the menu of the parameter Display→ Disp.Reg. (the first
valuebeingpolledisintheregister8000anditistreatedasthemain
displayedvalue)orenterthevalue“8001”intotheregister4024.
 InordertomakethetransducerRS-485interfaceworkagain
in the Slave mode, one should select proper mode in menu RS-485
Mbus 485 → Mode → Slave.
Fig.9. Example of using a P30U transducer in the RS-485 Master
mode to read and register relative humidity from a P18 transducer.
Fig.9. Example of using a P30U transducer in the RS-485 Master
Mbus 485
→
Mode
→
Slave
.
Fig.9. Example of using a P30U transducer in the RS-485 Master
Supply