Trident Model PD765 Universal Input Meter Instruction Manual
30
Setting the Input Signal (
inpt
)
Enter the
Input
menu to set up the meter to display current (
4-20
), volt-
age (
0-10
), thermocouple (
tC
), or RTD (
rtd
) inputs.
The voltage input is capable of accepting any signal from -10 to +10
VDC. Select voltage input to accept 0-5, 1-5, 0-10, or
±
10 VDC signals.
The current input is capable of accepting any signal from -20 to 20 mA.
Select current input to accept 0-20 or 4-20 mA signals.
If RTD is selected, the display shows
A385
or
A392
. Select the coeffi-
cient to match the RTD sensor, either 0.00385 (
A385,
European curve)
or 0.00392 (
A392,
American curve). The display then shows the decimal
point menu,
DEc.P
. Select the decimal point resolution as shown on page
31.
If TC is selected, scroll through the thermocouple types and select the
type matching the TC sensor.
The input signal must be connected to the appropriate input terminals
and the RTD/TC selector switch must be set, see Figure 8 on page 18.
For thermocouple inputs, allow at least 30 minutes warm-up
time for meter to reach specified accuracy.
inpt
4-20
0-10
rtd
tC
a385
a392
0 j
1 k
2 t
3 t.0
4 e
Press Enter/Ack to
Make Selections
Press Up Arrow
to Scroll Through
Choices
Press Menu to
Exit at any Time
J
K
T
T.0
E
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