Mitsubishi MOTION CONTROLLERS Q172DCPU Manual do Utilizador descarregar pdf (Página 164)

6 - 21

6 INSPECTION AND MAINTENANCE

(f) Flowchart for when "BT " displays on 7-segment LED

"BT1" or "BT1" displays when the external battery voltage of battery holder

unit is lowered.

"BT1" or "BT1" displays at the following cases.

• BT1: Battery voltage 2.7V or less

• BT2: Battery voltage 2.5V or less

The following shows the flowchart when the "BT

" displays.

H/W fault

Explain the error symptom and get

advice from out sales representative.

END

YES (SM58, SM51 OFF)

NO (SM58 or SM51 ON)

Replace the external battery.

"BT " displays on 7-segment LED

Turn off the Multiple CPU system

power supply.

Turn on the Multiple CPU system

power supply.

Does "BT "

disappear on 7-segment

LED (Confirm ON/OFF by

monitoring SM )

REMARK

If SM51,SM58 turns on, the details of the programs, parameters, absolute position

data and latch data cannot be guaranteed.

It is recommended to back-up the battery periodically.

1 2 ... 159 160 161 162 163 164 165 166 167 168 169 ... 191 192

Sem comentários

Mitsubishi MOTION CONTROLLERS Q172DCPU Manual do Utilizador Página 164