www.accuenergy.com
V: 1.0 Revised: Jan. 2018
60
AcuDC 240 Series
DC Energy & Power meters
APPENDIX
This chapter will mainly discuss how to use the meter via the communication port using
software. It is highly recommended that previous chapters be read before moving onto
Chapter 5, a familiarity with Modbus would also be helpful.
A. Troubleshooting
My AcuDC 243 is displaying the correct current but the power (kW) is negative.
Check to see if the AcuDC is installed on the negative terminal of the load.
Why is my AcuDC 243 measuring the wrong current with the Current Hall Effect
Sensor?
A connection is required before communicating with the meter. To add a new
connection, do one of the following:
• The Hall Effect Sensor should be installed on the negative side of the load.
• Ensure that the Hall Effect sensor is being powered. If the sensor was purchased from
Accuenergy then the sensor will need a ±15V dc power supply.
• Ensure that the wiring of the sensor is to the AcuDC is correct.
• Terminal 3 of the sensor should be connected to ‘I+’ of the AcuDC 243.
• Terminal 4 of the sensor should be connected to ‘I-‘of the AcuDC 243.
•• Terminal 4 of the sensor must also be connected to Ground.
•• Check that the settings in the meter are configured to read accurately from that
sensor.
•• Press ‘F’ and ‘V/A’ simultaneously whiles on the meter data mode to get to the
settings mode.
•• A password screen will display. Leave the password as default ‘0000’ and press ‘V/A’ to
enter the setting mode; the communication address ‘AddR’ screen will display next.
•• Press ‘V/A’ until you get to the ‘I In’ screen. Enter the rated current input of the Hall
Effect Sensor in this screen.
•• Press ‘F’ to change this setting. A digit will begin to flash and you will enter the edit
mode.
•• Press ‘F’ to increase the value of the flashing digit
•• Press ‘V/A’ to switch the flashing digit
•• Press ‘V/A’ when on the last digit to confirm the change; the cursor will stop
flashing at this point
To Next Page
Loading...
Need help?
General
