Table 9-14 Procedure #9-Troubleshooting Relay Output Failure Symptoms; Table 9-15 Procedure #10-Troubleshooting Current/Time Or Time/Current Failure Symptoms - Honeywell DR4500A Product Manual

Classic series circular chart recorder with or without control
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Table 9-14 Procedure #9—Troubleshooting relay output failure symptoms
Step
1
Be sure the recorder is configured for
relay output.
2
Be sure all the recorder and control
related data is correct.
3
Check that the applicable output relay
actuates properly. If it does, go to step 4.
Check the control relay jumper positions.
4
5
Check the field wiring.
6
Replace the control output printed circuit
board.
Table 9-15 Procedure #10—Troubleshooting current/time or time/current failure
Step
Be sure the recorder is configured for
1
current time/time current output.
2
Be sure all the recorder and control
related data is correct.
3
Check that the applicable output relay
actuates properly. If it does, go to step 4.
If it does not check the field wiring; then
go to step 5.
4
Check the control relay jumper positions.
5
Check the current proportional output.
6
Recalibrate the current output.
7
Replace the control output printed circuit
board.
Release M
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
April 2017
What to do
symptoms
What to do
Troubleshooting Procedures
How to do it or where to find the data
Refer to Section 3 - Configuration. Make sure
OUT ALG selection = TIME.
Refer to Section 3 - Configuration .
Check the Tuning, Algorithm, and Control data.
Put the recorder into manual mode and adjust the
output manually to raise or lower the PV around
the setpoint. Listen for the click of the relay as the
PV moves in either direction. Observe OUT 1 or 2
indicator on the front display.
Refer to Section 3 - Configuration.
Refer to Section 2 - Installation.
Refer to the instructions included with the
replacement part.
How to do it or where to find the data
Refer to Section 3 - Configuration. Make sure
OUT ALG selection = TI CUR or CUR TI.
Refer to Section 3 - Configuration.
Check the tuning, algorithm, and control data.
Put the recorder into manual mode and adjust the
output manually to raise or lower the PV around
the setpoint. Listen for the click of the relay as the
PV moves in either direction. Observe OUT 1 or 2
indicator on the front display.
Refer to Section 3 - Configuration.
Put the recorder in manual mode and manually
adjust the output from 0 to 100% (4–20 mA). Use
a milliammeter across the terminals in connector
J1 on the control output printed circuit board to
verify the output.
Refer to Section 8 - Output Calibration.
Refer to the instructions included with the
replacement part.
Troubleshooting / Service
217

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