IAI America ERC3 - Manual (Page 308)

Chapter 6
Adjustment of Operation
6.1
Absolute Reset and
Absolute Battery
298
[3] Absolute Battery
In PIO Converter for Simple Absolute Type, there are a battery for Absolute Type and fabric
hook-and-loop faster enclosed.
Separate the fastener and attach each to side surface of PIO Converter and the battery for
Absolute Type. Join the fastener attached on the absolute battery and that on PIO Converter to
fix them together. Connect the battery to the absolute battery connector on the bottom of the
battery PIO Converter.
(1) Absolute Battery Type
Item Specifications
Battery model AB-7
Battery voltage 3.6V
Current capacity 3300mAH
Reference for battery replacing timing (Note 1) 
Approx. 3 years
(It varies significantly by the effects of the
usage condition)
(Note 1) Replace the battery regularly.
(2) Absolute Battery Charge
Please have the battery charged for more than 72 hours before using for the first time or after
replacing with a new one. The battery gets charged while the controller is supplied with 24V
power.
It is possible to retain the encoder data for the duration shown below for each hour of battery
charge.
Data Holding Time
Value for User Parameter No.155 0 1 2 3
Data holding time per hour of battery charge time
(Note 1) (reference)
6.6H 5.0H 3.3H 1.6H
Holding time when fully charged (Note 1) (reference) 20
days
15
days
10
days 5 days
(Note 1) Followings are the reference values of time assuming the battery is new.
Leaving the controller power OFF for more than the data holding time will lead to a loss of the
data. Have the battery charged as early as possible.
Caution: There is life to the battery and the duration for data holding will
decrease. Replace the battery with a new one if the retaining time is
remarkably dropped even with enough charging time.