Yokogawa YTA320 - Manual (Page 22)

<3. Part Names and Functions>
3-3
IM 01C50B01-01E
For a list of error codes, refer to “Error code table” in
Section 6.4.
(6) Unit display
The unit specified as the unit of process in the
process variable display column in Item (5) is lit.
The output display is fixed to mA or %.
(7) Display of sensor type and number of wire
connections
Displays process variable/output items, the number
of sensor wiring connections and the multidrop
address in dot matrix (only applies to HART
communication). In the event of hardware error,
“FAIL” is displayed.
Process variable: To display the process variable
value in the process variable display in Item
(5), display the type of applicable process
variable (“PV”, “SV”, “TV”).
Output display: To display the output value in the
process variable display in Item (5), display
“OUT”. During the output of sensor burnout,
“Abn” and “OUT” are alternately dis played.
WIRE: Displays the number of wiring connections.
There are two wiring connections for
thermocouple input, while there are two to
four connections for thermometer resistor;
these are displayed alternately with the
sensor type.
The display can be hidden by setting an
applicable parameter. Note that the DIF and
AVG display does not allow the sensor type
to be displayed.
TYPE: Displays the type of sensor. Note that the
DIF and AVG display does not allow the
sensor type to be displayed. If the sensor is
customordered, “Z1” and “Z2” are displayed.
Multidrop address: If the multidrop address is 1
through 15 in HART communication, the
output display brings up these addresses
instead of display ing “OUT”.
Upon shipment from the factory, the indicator is set
as follows.
Table 3.2 Setting of Indicator upon Shipment
from the Factory
Display location Contents
Output bar chart display Output bar chart display
is on.
Input display Sns1 is lit.
Process variable display PV value and output
value (mA) are alternately
displayed.
Unit display The unit specified upon
shipped from factory and
mA are lit.
Display of sensor type
and number of wire
connections
“PV” and “OUT” are
displayed alternately.