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Hardware reference
HARDWARE REFERENCE MANUAL
80
Revision 5.0
Maximum response times of 250
μ
s on and 350
μ
s off (for servo periods of
0.5 ms or 1.0 ms) or 500
μ
s on and 600
μ
s off (for a servo period of 2.0 ms)
are achieved between a change in the OP parameter and a corresponding
change in the digital output circuit.
3.4.4
Battery
fig. 27
The backup battery provides power to the RAM, where global variables are
stored, and real Time Clock when the power supply is off. You must replace
it every five years. The part number of the backup battery is CJ1W-BAT01.
To replace the battery the power must not be off for more than five minutes
to ensure no backup memory loss. If the TJ2-MC__ has not been on, set the
unit to on for at least five minutes before you replace the battery else the
capacitor that gives backup power to the memory is not fully changed and
backup memory may be lost before the new battery is inserted.
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