User manual for Digital Indicator and cooperating software
Fig. 7.14. Defining permissible measurement range for an example of settings of
“Upper ext.”
and
“Lower ext.”
parameters (for nominal measurement range 4-20 mA)
7.4.4.
”Date & time settings” menu
Menu allows to change date and time of internal clock (RTC):
”Time”
- current time according to the unit’s real time clock,
”Date”
- current date according to the unit’s real time clock,
”Apply”
- this option enables the internal real time clock to be set according to values of the
“
Time
” and “
Date
” parameters.
After entering the menu the current indications of the internal clock are displayed. The
changing of parameters (
“Time”
or
“Date”
) stops the indications updating. Changed
parameters must be stored using the
“Apply”
option.
Fig. 7.15.
”Date & time settings”
menu
7.4.5.
”RS485 port settings” menu
This menu contains options to configure the RS485 interface:
”Address”
- this parameter specifies the unit’s address, according to the Modbus protocol
(in the range of 0 to 99). If the address is set as 0, then the unit responds to
the FFh address.
31
nominal measurement range (4-20 mA)
permissible measurement range
”
Lower ext.
” = 3mA
”Upper ext.”
= 1 mA
measurement result is displayed
regardless on nominal range exceeding
display
message ”-Lo-”
4
display
message ”-Hi-”
1
0
20
21
22
