Iai-america XSEL-QX Manuel d'utilisateur télécharger pdf (Page 4)

100

101

CAUTION

Operator Alarm on Low Battery Voltage

This controller is equipped with the following backup batteries for retention of data in the event of power

failure:

[1] System-memory backup battery

For retention of position data, global variables/flags, error list, strings, etc.

[2] Absolute encoder backup battery

For retention of encoder rotation data.

Since these batteries are not rechargeable, they will eventually be consumed. Unless the batteries are

replaced in a timely manner, the voltage will drop to a level where the data can no longer be retained. If a

power failure occurs in this condition, the data will be lost (The life of each battery varies depending on the

operating time).

Once the data is lost, the controller will not operate normally the next time the power is

turned on.

(Reference)

System-memory backup battery --- An alarm occurs when the voltage drops to approximately 2.6 V.

Data backup becomes impossible at a battery voltage of

approximately 2.3 V (rated voltage: 3.0 V).

Absolute-encoder backup battery --- An alarm occurs when the voltage drops to approximately 3.2 V.

Data backup becomes impossible at a battery voltage of

approximately 2.7 V (rated voltage: 3.6 V).

To prevent this problem, the controller can output a low battery voltage alarm from its I/O port.

Output port No. 313 is assigned as an alarm output for low system-memory backup battery voltage.

Output port No. 314 is assigned as an alarm output for low absolute-encoder backup battery voltage.

It is recommended that this function be utilized to prevent unnecessary problems resulting rom low battery

voltage (consumption of battery life).

The person in charge of system design should utilize this function to provide a method for issuing an

operator alarm using an output signal from an I/O port, while the person in charge of electrical design

should provide a circuit implementation that has the same effect.

Refer to the applicable section in the operating manual for the batter replacement.

It is recommended that you always backup the latest data to a PC in case of voltage drop in teh system-

memory backup battery or unexpected controller failure.

Compatible Teaching Pendant/PC Software

QX controllers only support the following teaching pendant/PC software:

Teaching pendant: IA-T-XA (ANSI type)

PC software: IA-101-XA-MW (with category 4 cable)

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Iai-america XSEL-QX Manuel d'utilisateur Page 4

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