Manual

2. Overview and Operation

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■ When change setting is disabled for the current mode (screen) and the

KV-D20 is turned off:

The setting is activated when the KV-D20 is turned on again. The screen next to

the disabled screen appears.

■ When change setting is disabled to a mode (screen) other than the current

mode (screen):

The change to the specified mode (screen) is disabled. The mode (screen) is not

displayed when screens are switched.

Process when the KV unit status is changed

When a ladder program is written to the KV unit or the unit is switched to PRO-

GRAM mode, the contents of special utility relays 2500 through 2515 are pro-

cessed as shown below.

kv_d20_manual.p65 08.3.10, 6:08 PM24