you to do this include one command-line utility (apcaccess) and a GUI you can use through a Web browser. You can also use apctest to tune some parameters of the UPS itself.

apcaccess

apcaccess is a program (normally found in /sbin/apcaccess) that permits you to print out the complete status of your UPS. Although there are a number of command line arguments (eprom, reconfig, status, slave, shutdown), all except eprom and status are under development and hence do not work reliably.

If you have built apcupsd with pthreads enabled (default), apcaccess will use the Network Information Server to obtain the necessary information for the status and eeprom commands. This is because in the pthreaded version, there is no IPC shared memory. In this case (pthreads enabled), you can specify a second optional argument to apcaccess in the form of host:port, where the :port is optional. The default is localhost:3551. Please note that in versions prior to 3.10.6, the default NIS port was 7000, so if you are mixing versions, you will need to take a lot of care to ensure that all components are using the same port.

To enable the apcupsd Network Information Server, which is normally the default, you set:

NETSERVER on

NISPORT 3551

in your apcupsd.conf file.

apcaccess status:

As mentioned above, the full form of the command is:

apcaccess status localhost:3551

where only apcaccess status should normally be needed. localhost may be replaced by any machine name, fully qualified domain name, or IP address,

72

Page 72 Page 74
Page 73
Image 73
APC UPS control system Your apcupsd.conf file Apcaccess status, As mentioned above, the full form of the command is
Page 72 Page 74

UPS control system specifications

APC UPS (Uninterruptible Power Supply) control systems are vital components for ensuring uninterrupted power supply and protecting critical equipment from power interruptions, surges, or fluctuations. Designed by Schneider Electric, APC UPS systems are renowned for their high quality and reliability. They utilize advanced technologies and features to suit diverse applications, from home offices to large industrial settings.

One of the main features of APC UPS systems is the ability to provide backup power during outages. This is achieved through a battery system that activates immediately when the mains power fails. This seamless transition minimizes downtime and ensures that electronic devices continue to operate, protecting data integrity and equipment lifespan.

Another significant characteristic of APC UPS systems is their intelligent management capabilities. Most models come with PowerChute software, which provides users with real-time monitoring of power conditions and the status of the UPS. This software allows for graceful shutdowns of connected devices during extended outages, thereby preventing data loss and damage to devices.

APC UPS systems also incorporate advanced technologies such as Automatic Voltage Regulation (AVR). AVR technology ensures that the output voltage remains stable by correcting minor fluctuations without switching to battery mode. This not only prolongs the battery life but also provides a consistent power supply to the connected equipment.

Thermal management is another critical aspect of APC UPS control systems. The design often includes efficient cooling systems that prevent overheating, ensuring optimal performance and longevity of the unit. Some models feature EcoMode, which reduces energy consumption and lowers operational costs by working at high efficiency only when battery backup is not required.

APC UPS systems are designed with scalability in mind. Users can easily add more batteries or connect additional UPS units to accommodate growing power needs. Features such as hot-swappable batteries and modular design facilitate easy upgrades and servicing without interrupting power supply.

In terms of connectivity, APC UPS products often feature multiple options including USB, RS-232, and network management capabilities. This enables users to connect remote management tools and integrate the UPS with existing IT infrastructure.

In summary, APC UPS control systems deliver reliability, efficiency, and advanced technology features that cater to a wide array of power protection needs, making them a trusted choice for individuals and businesses alike.
Top Page Image Contents