Batteries; Time And Date Clock - Allen-Bradley PanelView 1200 Series User Manual

Batteries

Time and Date Clock

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Permanent factory installed lithium batteries have a total lithium weight of
0.6 gram. Batteries are not burdened when AC Power is applied to the
terminal. The following chart indicates battery life, with continuous
exposure to the specified temperatures, without power applied to the
terminal:
+86 F (+30 C)
+104 F (+40 C)
+113 F (+45 C)
+122 F (+50 C)
+158 F (+70 C)
Battery fail indications are displayed automatically. These calculations are
based on battery life specifications provided by the battery manufacturer
and does not take battery shelf life into account.
display modes: AM/PM or Military (Hours, minutes, seconds)
date display includes month, day and year
time and date plus "day of week" can be transferred to the host PLC
controller
time and date can be transferred from the host PLC controller
battery-backed
automatic leap year correction
The clock's accuracy depends on age and temperature:
Age 25 C
New
1 yr
2 yrs
3 yrs
Appendix A
Specifications
Greater than 10 Years
Greater than 10 Years
Greater than 10 Years
7 Years
16 Months
3 C 0 C - 50 C
0.9 min/mo.
1.1 min/mo.
1.3 min/mo.
1.6 min/mo.
2.4 min/mo.
2.4 min/mo.
2.6 min/mo.
2.9 min/mo.
A-7