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Dynisco ATC770-0-2-3 - Page 34

Dynisco ATC770-0-2-3
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34
Dynisco transducers have an 80% shunt value so no changes need be made. However, some
transducers and strain gages have shunt values that may range from 40% to 100%. If so, press the
or key until the upper display changes to the correct values. Press the FUNC key to set the value.
Press the A/M key to go back to the active display.
6.1.3 SETTING THE PRIMARY INPUT TYPE FOR AN AMPLIFIED TRANSMITTER
If using a voltage or current output transducer, the model number of the transducer will designate its
own electrical output. For example, a PT4624-7.5M-6/18 or an S840-000-10M has an amplified
signal output. In plastic melt applications, amplified units have a number where the strain gage units
have a letter (E or A). The PT4624-7.5M-6/18 has a 4-20 mA signal output; the PT4625-7.5M-6/18
has a 0-5 VDC signal output, while PT4626-7.5M-6/18 has a 0-10 VDC signal output. In Industrial
applications, amplified units have a middle or end number of 4, 5, or 6. The S840-000-1C has a 4-
20 mA signal output; the PT150-7.5M has a 0-5 VDC signal output, while PT276-5M has a 0-10
VDC signal output.
If you have a strain gauge transducer, load cell, or other Wheatstone bridge device, see Section
6.1.1.
The Instrument’s default setting is strain gage input. To select another input for a transmitter or to use
another process instrument, such as humidity sensors, position sensors, etc., press the FUNC key
until
nonE
and
GROUP
show on the display. Press the key until
5
shows in the upper display.
Press the FUNC key and the lower display will show
PI.TYP
. Press the or key until the upper
display changes to the correct value (
0-20
for 0-20 mA linear input,
4-20
for 4-20 mA current loop
input,
0-5
for 0-5 VDC linear input, and
0-10
for 0-10 VDC linear input). Press the FUNC key to set
the value. Press the A/M key to go back to the active display.
Remember to change the jumper settings to correspond to the proper input as shown in Figure 7 for
board location and Figure 9 for amplified input jumpers.

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