Battery monitoring system SAN 5

The microprocessor-based SAN 5-1 (SAN 5-1.2) monitoring system is designed for continuous monitoring of the state of a chemical battery. The device measures battery voltage and current, battery symmetry voltage, battery and ambient temperature. The measurements are compared with threshold values, and in case of detecting abnormalities in the battery operation, SAN 5-1 signals emergency states. The primary task of the monitoring system is to detect irregularities in the monitored battery and locate the “weakest” cell.

A built-in LCD allows user communication
in two modes:
• displaying all measured values and alarm states occurring in the system;
• displaying an intuitive menu for viewing all current measurements, parameters, system status, and alarm buffers.
It also enables configuration of the device and its operating parameters.

DESCRIPTION OF THE OPERATION
During operation, the device performs battery voltage measurements. If any of the measured values exceed the warning or alarm threshold, this is indicated by the lighting of an appropriate LED and the activation of a corresponding relay output. The current system status is also displayed as specific messages on the LCD screen. Using the device’s menu function, it is possible to display all detailed data about the monitored battery. Deep discharge status, warnings, and alarms are additionally indicated by LED lights on the device panel. An alarm from the difference in battery voltage halves (symmetry control) is displayed as ΔU.