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Installation
-
Option
Wiring Procedures
52
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
Release M
April 2017
4-20 mA auxiliary output wiring
You can wire an auxiliary output for 4–20 mA.
The prerequisites are:
Model Number - Table 3 = 1XX or 4XX
Refer to Figure 2-22 and follow the procedure in Table 2-22 to wire 4–20 mA auxiliary output.
Table 2-22 4-20 mA auxiliary output wiring
Step
Action
1
Open the recorder door. Loosen the captive screw in the chart plate and swing the plate out.
2
Locate connector J2 near the bottom of the auxiliary output printed circuit board (refer to
Figure 2-22 for location).
3
Remove the unwired plug from J2.
4
Run the output wires through the desired knockout.
5
For CE Mark conformity, install the ferrite filter as shown in Figure 2-11.
6
Strip insulation from the end of each wire.
7
Loosen the screws in plug J2 terminals and position the plug as you would to plug it into J2.
8
Observing the polarity, insert the wires into the appropriate screw clamps as shown (refer to
Figure 2-22). Tighten the screws to secure the wires.
9
Install the wired plug into J2.
ATTENTION
Be sure that the 4-20 mA auxiliary output is aligned. Refer to
subsection 8.4 Auxiliary Output
Calibration.
TIP
The 4-20 mA output on the control output board can also be set up for an Auxiliary
retransmission output if it is not being used for a control output. This requires model selection
option Table II = 10, 60, 66.
TIP
Auxiliary output 2 and Auxiliary output 3 use Control current output 1 and Control current
output 2 if Control “OUT ALG” is not set to “CURRENT”.