Eaton i-on series Engineering Manual page 14

Introduction
Provided that they are in separate partitions, the control unit can respond to several
keypads in use at the same time. Within each partition, the control unit responds to just
one keypad at a time. The number of simultaneous keypad sessions each control unit can
handle at any one time is:
i-on160EX
i-on50EX
i-on30EX
i-on40
1-on16
In a part setting system (one not using partitions) the control unit responds to just one
keypad at a time.
The Installer can also program the system from any keypad. When the Installer is logged
into the system all other keypads are locked out and their displays show the message
"Installer on site" if a user tries to access the system.
User Interface
All keypads have:
A two line by 20 character backlit LCD display
Four LEDs that can be programmed to show the setting status of the system. To
comply with EN50131 the installer can disable these LEDs in order to hide the state of
the system.
An illuminated four way switch (the "navigation key") that is used to navigate through
menus
LEDs behind the navigation key that show the fault status of the system.
A numeric keypad for entering access codes and keying in text.
Dedicated A, B, C and D keys that can be programmed to set individual partitions, part
sets, or allocated to control outputs.
Keys for "yes", "no", menu and unset functions.
HUA keys that can be used to start a hold up alarm.
The keys are backlit by LEDs within the keypad. The backlighting for both the display and
keys can be programmed to different intensities and timing.
The i-kp01
i-on control units can use i-kp01 keypads with keypad firmware version 2.00 and above.
The installer can disable the ABCD LEDs by removing the appropriate jumpers in each
keypad (see the Installation Guide for each control unit).
Separate jumpers allow the installer to adjust the brightness and timing of the backlighting.
The KEY-K01/KP01/KPZ01
From control unit software version 4.03 onwards the i-on range control units can also use
the KEY-K01, KEY-KP01 and KEY-KPZ01 keypads. All of these keypads provide similar
functions to the i-kp01 and can be substituted freely for i-kp01's on any i-on control unit
running software version 4.03.09 or higher.
The KEY keypads have slight changes in their user interface compared to the i-kp01:
The KEY- keypads do not have separate ABCD LEDs. The ABCD keys themselves
now glow whenever the setting state of the system corresponds the action
programmed for the key (see page 58).
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i-on Range