Honeywell DR4500A - Table 7-8 Set up Wiring Procedure for Thermocouple Inputs Using the Ambient Temperature Method; Figure 7-5 Calibration Set up Diagram for Thermocouple Inputs Using the Ambient Temperature Method

Input Calibration - Calibration Set Up and Wiring for PV Inputs
186 DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual Release M
April 2017
Thermocouple inputs using the ambient temperature method
Refer to Figure 7-5 and wire the recorder according to the procedure given in Table 7-8.
Table 7-8 Set up wiring procedure for Thermocouple inputs using the ambient
temperature method
Step
Action
1
Connect the copper wire to the Precision Millivolt Source (see Figure 7-5).
2
Connect the other end of the copper wire to the clamp type terminals in the plug for the
applicable input connector (J2).
3
Reinstall the plug into the input connector (J2) on the applicable circuit board for input 1 or
input 2.
#2 #1
22091
+
_
_
+
Calibration source
Connector plug J2 f or
inputs #1 or #2
Copper wires
Adjust calibration voltages to
compensate f or measured
ambient temperature
Ambient temperature method
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 T/C
on the input board.
Figure 7-5 Calibration set up diagram for Thermocouple inputs using the ambient
temperature method