Input Calibration - Calibration Set Up and Wiring for PV Inputs
Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual 187
April 2017
RTD (Resistance Thermometer Device) inputs
Refer to Figure 7-6 and wire the recorder according to the procedure given in Table 7-9.
Table 7-9 Set up wiring procedure for RTD inputs
Connect the copper wire to the calibration source (see Figure 7-6).
Connect the other end of the copper wire to the clamp type terminals in the plug for the
applicable input connector (J2).
Reinstall the plug into the input connector (J2) on the applicable circuit board for input 1 or
input 2.
#2 #1
22092
+
_
Copper wires
Decade box
Plug J2
MA
W1
Be sure W1/MA
jumper is in position
W1 on the input board.
T/C
RTD
Be sure W3 jumper
is in position RTD
on the input board.
Figure 7-6 Calibration set up diagram for RTD inputs
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