Rockwell Automation Publication 2711P-UM008I-EN-P - February 2022 133
Chapter 4
Monitors
The Monitors tab in the Hardware Monitor provides continuous voltage,
temperature, and load information for the terminal.
Battery Voltage
The Monitors tab gives a visual status and voltage reading of the battery for the
real-time clock. The battery voltage updates at powerup, then every hour.
An event is logged to the system event log for a low or depleted battery.
Temperatures
The Monitors tab gives a visual status and reading of the current temperature
of the logic board. The temperature updates every ten minutes.
An event is logged to the system event log for a failed temperature sensor.
Table 25 - Battery Conditions
Condition Battery
Depleted Less than 2.0V indicates a dead battery or no power.
Low 2.0…2.74V
Normal 2.75V or higher
Table 26 - Temperature Conditions
Condition Logic Board
Low –
Normal 25…94 °C (77…201 °F)
High 95 °C (203 °F) and higher
IMPORTANT A high temperature condition causes an automatic restart attempt. Restart
attempts continue indefinitely until the system is cool enough to resume
normal operation. High temperature conditions are logged to the system
event log.
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