Specifications; Specification List; Precautions - Fuji Electric Alpha7 VV User Manual

CHAPTER 11 ABSOLUTE POSITION SYSTEM

11.1 Specifications

11.1.1 Specification List

Method
Battery
Max. rotation range
Max. rotation speed at power failure
Service life of battery
Lithium content
It is recommended to replace the battery periodically (every three years or more
frequently) despite the power-on or shutdown state.

11.1.2 Precautions

 Marine or air transport of battery (lithium-metal battery)
If transporting lithium-metal batteries on their own, packaged together with devices, or installed in
devices, it may be necessary to file a dangerous object application.
Please contact the transport company if transporting lithium-metal batteries.
 Conditions blocking establishment of absolute position system
The absolute position system is not established under the following conditions.
 The electronic gear setting is changed after position preset.
11
 The command pulse ratio is changed after position preset.
The absolute position system can be established even under speed control or torque control.
 Encoder cable
Use an encoder cable with battery (model: xxxxxxxxx).
11-2
Specifications
Item
Battery backup method
Lithium battery (primary battery, nominal +3.6 [V])
Home position ±32767 [rev]
6000 [r/min]
About 35000 hours (life without power turned on)
0.5 [g]
Description