12.5
Date Code 20090730 Instruction Manual SEL-734 Meter
Testing and Troubleshooting
Testing Methods and Tools
TEST Mode Considerations
During TEST mode, the meter uses the optical port to transmit test pulses
consistent with the register that the meter is presently displaying.
When you place the SEL-734 into TEST mode it will do the following:
➤ Stop recording Peak Demand data
➤ Stop recording Energy registers
➤ Disable communications on Port F
➤ Disable all KYZ outputs except for KYZDT
➤ Flag the next available load profile after the user exits out of
Test mode.
Using TEST Mode
From the Front Panel
Note that you must first exit any serial port TEST mode session in progress
before you can access the SEL-734 front panel.
Entering TEST Mode
To enter TEST mode, perform the following steps:
Step 1. Press the ENT pushbutton on the front of the meter.
Step 2. Use the DOWN ARROW pushbutton five times to scroll to
Test
Mode
.
Step 3. Enter the appropriate password.
Step 4. Press the ENT pushbutton. There will be a delay of a couple of
seconds as the meter enters TEST mode.
When the meter enters TEST mode, the Meter Word bit TEST asserts.
Navigating in TEST Mode
When you first enter TEST mode, you have the options of selecting any of the
following four groups:
➤ Compensation Settings
➤ Display Energy
➤ Gain Settings
➤ Watthour Constant
To Turn Transformer/Line Losses ON or OFF
Step 1. With Compensation Setting selected on the front-panel display,
press ENT.
Step 2. Use the RIGHT ARROW and LEFT ARROW pushbuttons to select
Yes
or
No to using compensation. No is selected by default when you
enter
TEST mode.
Step 3. Press the ENT button.
Courtesy of NationalSwitchgear.com
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