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Select COMM for OUT2 in setup menu, the output 2 will perform
RS-485 interface with
protocol.
Modbus RTU Mode
Setup
1. Select COMM for OUT2
2. Set an unequal address (ADDR) for those units which are
connected to the same port.
3. Set the Baud Rate (BAUD) and Parity Bit (PARI) such that these
values are accordant with PC setup conditions.
3-8 Display Mode
The DISP in the setup menu is used to select the display
format for the normal condition. If PV is selected, the display
will indicate the process value. If SP1 is selected, the display
will indicate HSP1 value for high limit control (OUT1= HI) and
high/low limit control (OUT1= HI.LO) or indicate LSP1 value
for low limit control(OUT1=LO). IF SAFE is selected, the
display will indicate the word SAFE for the normal condition.
However the display will indicate the process value if the
process value goes beyond high limit or low limit. If an error
condition occurs, the display will indicate the error symbol.
3-9 Signal Conditioner DC Power Supply
Three types of isolated DC power supply are available to supply an
external transmitter or sensor. These are 20V rated at 25mA, 12V
rated at 40 mA and 5V rated at 80 mA. The DC voltage is delivered to
the output 2 terminals by selecting DCPS for OUT2 in setup menu.
UM0L911C