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Select COMM for OUT2 in setup menu, the output 2 will perform
RS-485 interface with protocol.Modbus RTU Mode
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 Mode3-8 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.
The SAFE display will return when the process has returned to
within SAFE values. Depressing reset key will reset output
relay.
3-9 Signal Conditioner DC Power Supply3-9 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.
UM L91-Rev 8
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