4-2 Battery Replacement

Battery replacement

When the time comes to replacement the battery, replace it for a new one even if battery error is not displayed.

Also, when low battery voltage of the display unit and the controller unit is discovered, replace the battery for a new one immediately.

Replacement the batteries of the display unit and the controller unit at the same time.

(1)Battery specification

• Controller unit

 

Items

Specifications

 

Battery specification

Lithium primary cell

 

 

 

 

Backup time

Approx. 5 years (Ambient temperature at 25 °C)

 

 

 

 

Battery boltage drop

Provided (Status indication LED: BAT)

 

detection funnction

 

 

 

 

 

Battery for replacement

Type: NP8P-BT

 

 

 

 

Required time in the

5 minutes or less

 

battery replacement

 

 

 

 

• Display unit

 

 

 

 

 

Items

Specifications

 

Battery specification

Coin-type lithium primary cell

 

 

 

 

Backup time

Approx. 5 years (Ambient temperature at 25 °C)

 

 

 

 

Battery boltage drop

Provided (Internal memory of $s167 allocated)

 

detection funnction

 

 

 

 

 

Battery for replacement

Type: V7-BT

 

 

 

 

Required time in the

3 minutes or less

 

battery replacement

 

 

 

 

(2) Precautions

Do not short across the battery.

Do not discard in a fire.

Do not attempt to recharge the battery.

Do not disassemble the battery.

Observe local and governmental regulations when disposing of waste batteries.

(3) How to replacement battery

Battery replacement of controller unit

1)Turn off power supply of the @E.Terminal.

2)Remove battery holder cover at top of controller unit. Remove battery connector and then remove battery from battery holder.

3)Attach a new battery connector, mount battery into the battery holder, and attach the cover.

Perform the exchange quickly (within five minutes). When battery is detached for a long time, the data retained during power outage may become erased.

4)Enter the battery guarantee period on a seal to be used on the occasion of the next battery replacement, and affix seal to the controller unit.

4-2