42
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 PCE-P30U transducer in the
RS-485Master mode to read and register relative humidity
from a
PCE-
P18 transducer.
Supply
