APC SU1400XLT User Manual download pdf (Page 41)

apctest

apctest is a program that allows you to talk directly to your UPS and run certain low-level tests, adjust

various settings such as the battery installation date and alarm behavior, and perform a battery runtime

calibration. Here we describe how to use it for a SmartUPS utilizing the apcsmart driver and RS232 serial

connection. The menus and options for USB, MODBUS, and simple signaling UPSes are different but

mostly self-explanatory.

Shutdown apcupsd if it is running. This is important. Only one program can communicate with the UPS at

a time and if apcupsd is running, apctest will fail to contact the UPS.

Run apctest by invoking it with no arguments.

It will read your installed apcupsd.conf configuration (so it knows where to find the UPS) and then it will

present you with the following output:

2003-07-07 11:19:21 apctest 3.10.6 (07 July 2003) redhat

Checking configuration ...

Attached to driver: apcsmart

sharenet.type = DISABLE

cable.type = CUSTOM_SMART

You are using a SMART cable type, so I'm entering SMART test mode

mode.type = SMART

Setting up serial port ...

Creating serial port lock file ...

Hello, this is the apcupsd Cable Test program.

This part of apctest is for testing Smart UPSes.

Please select the function you want to perform.

1) Query the UPS for all known values

2) Perform a Battery Runtime Calibration

3) Abort Battery Calibration

4) Monitor Battery Calibration progress

5) Program EEPROM

6) Enter TTY mode communicating with UPS

7) Quit

Select function number: 1

Item 1 will probe the UPS for all values known to apcupsd and present them in rather raw format. This

output can be useful for providing technical support if you are having problems with your UPS.

Item 2 will perform a Battery Runtime Calibration. This test will only be performed if your battery is 100%

charged. Running the test will cause the batteries to be discharged to approximately 30% of capacity. The

exact number depends on the UPS model. In any case, apctest will abort the test if it detects that the

battery charge is 20% or less.

The advantage of doing this test is that the UPS will be able to recalibrate the remaining runtime counter

that it maintains in its firmware. As your batteries age, they tend to hold less of a charge, so the runtime

calibration may not be accurate after several years.

We recommend that perform a Battery Calibration about once a year. You should not perform this

calibration too often since discharging the batteries tends to shorten their lifespan.

Item 3 can be used to abort a Battery Calibration in progress, if you some how became disconnected.

Item 4 can be used to restart the monitoring of a Battery Calibration if you should some how become

disconnected during the test.

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APC SU1400XLT User Manual Page 41

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