Chapter 2 Specifications
2-5
2.2.2 Memory
2.2.3 Touch Panel and Clock
2.2.4 Touch Panel and Function keys
Application
User screen area: 640KB
Approx. 200 screens at 3.2KB/screen
Data Backup
96KB User backup memory
Uses a rechargeable lithium battery
*1
*1 A Lithium battery's lifetime is:
10 years when the battery's ambient temperature is 40°C or less.
10 years when the unit's abmbient temperature is 25°C or less.
When used for backup:(without main power)
Approximately 60 days, with a fully charged battery
Approximately 6 days, with a 10% charged battery
Clock Accuracy ±65 seconds/ month (at room temperature)
• The ST's internal clock has a slight error. At normal operating temperatures and conditions, with
the ST operating from its lithium battery, the degree of error is 65 seconds per month. Variations
in operating conditions and battery life can cause this error to vary from -380 to +90 seconds per
month. For systems where this degree of error will be a problem, the user should be sure to mon-
itor this error and make adjustments when required.
6.7 Set Up Time (Page 6-28)
Touch Panel Resolution
8 x 6 keys/screen
1 or 2 point push - selectable
Function keys Switches: 6
SEE
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