KEYENCE KV-D20 - Manual (Page 18)

2. Overview and Operation
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Overview of each display mode
This section includes an overview of the three display modes: operator mode,
device mode, and system mode.
■ Operator mode ( ➮ page 25)
Normally, operators use this mode. It includes the following five screens:
• Operator screen ( ➮ page 26)
Allows you to display five pages (20 lines/page) of devices by writing simple
ladder programs. Contact comments that are entered with alphanumeric char-
acters can also be displayed. Each device can be displayed along with various
attributes.
• Direct access screen ( ➮ page 34)
This screen corresponds to the digital trimmer mode of the Access Window of
the KV unit. Values in three DM (DM1677, DM1678, and DM1679) can be
changed in real time.
• KV-I/O monitor screen ( ➮ page 35)
Allows simultaneous monitoring of two channels (8 bits x 4 lines) for the I/O
status and unit connection information for the KV series I/O devices.
• Switch comment screen ( ➮ page 36)
Displays the contact comments for relays (2500 to 2503) assigned to four built-
in customized switches (F1 to F4) of the KV-D20, provided that the comments
are entered with alphanumeric characters.
• Lamp comment screen ( ➮ page 36)
Displays the contact comments for relays (2504 to 2507) assigned to four built-
in customized lamps (Lamp 1 to Lamp 4) of the KV-D20, provided that the
comments are entered with alphanumeric characters.
■ Device mode ( ➮ page 38)
This mode corresponds to the device mode of the Access Window of the KV unit.
Allows you to display or change all device values (The digital trimmer value cannot
be changed.).
■ System mode ( ➮ page 42)
This mode corresponds to the system mode of the Access Window of the KV unit.
Allows you to switch the KV unit between RUN and PROGRAM modes using the
KV-D20. However, LOAD/SAVE functions using EEPROM are not available.
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