2-11
2.4.2 Built-in Backup Battery
Time the built-in backup battery can be used (Backup time)
The built-in backup battery is not charged when the unit is shipped.
Charge the battery sufficiently before use. (Full charge (Ambient temperature: 25
°
C): 72 hours)
It will be charged automatically if the DC power is supplied to the control unit.
Relation between charging time and backup time
The number of days in the backup time varies according to the rate of charging time.
If it is charged on a full charge (72 hours) at the ambient temperature of 25
°
C, the backup time
will be approx. 50 days.
The backup time will vary according to the ambient temperature when the battery is charged.
Ambient temperature when charged
Number of days in backup time
70
°
C
Approx. 14 days
-20
°
C
Approx. 25 days
Predicted life of built-in backup battery
The life of the built-in backup battery varies according to the ambient temperature while the control unit is
on (energized).
Note) The temperature when the control unit is off (not powered) has little influence on the battery life.
Ambient temperature
Lifetime of built-in backup battery
55
°
C
Approx. 430 days <Approx. 1 year>
45
°
C
Approx. 1200 days <Approx. 3 years>
40
°
C
Approx. 2100 days <Approx. 6 years>
35
°
C
Approx. 3300 days <Approx. 9 years>
34
°
C or lower
Approx. 10 years
Note:
The built-in backup battery cannot be replaced.
Summary of Contents for FP0R Series
Page 1: ......
Page 6: ...iv ...
Page 14: ...xii ...
Page 15: ...Chapter 1 Functions and Restrictions of the Unit ...
Page 24: ...1 10 ...
Page 25: ...Chapter 2 Specifications and Functions of Control Unit ...
Page 38: ...2 14 ...
Page 39: ...Chapter 3 Expansion ...
Page 45: ...3 7 3 4 Terminal layout diagram Model No Terminal layout diagrams E8RS E8RM E16RS E16RM E8YRS ...
Page 48: ...3 10 ...
Page 49: ...Chapter 4 I O Allocation ...
Page 53: ...Chapter 5 Installation and Wiring ...
Page 73: ...Chapter 6 Preparation of USB Port ...
Page 77: ...6 5 5 Click Finish on the following screen to be displayed ...
Page 79: ...6 7 4 Double click on FP0R 5 Click Update Driver ...
Page 84: ...6 12 ...
Page 85: ...Chapter 7 Communication ...
Page 139: ...7 55 Sample program For Type II Use a program as below to directly specify a MODBUS address ...
Page 141: ...Chapter 8 High speed Counter Pulse Output and PWM Output Functions ...
Page 142: ...8 2 ...
Page 199: ...Chapter 9 Security Functions ...
Page 211: ...Chapter 10 Other Functions ...
Page 217: ...Chapter 11 Self Diagnostic and Troubleshooting ...
Page 227: ...Chapter 12 Precautions During Programming ...
Page 242: ...12 16 ...
Page 243: ...Chapter 13 Specifications ...
Page 254: ...13 12 ...
Page 255: ...Chapter 14 Dimensions and Others ...
Page 262: ...14 8 ...
Page 263: ...Chapter 15 Appendix ...
Page 344: ...15 82 15 7 ASCII Codes ...
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