User manual
Model: 2100 &2300 Series
2100UM22.DOC Rev: 2.2
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MANUAL DESCRIPTION
This manual describes the features, installation, setup, and usage of Arjay’s 2100 and 2300 series of
Level Controllers.
The 2100 series includes models 2110, 2112, and 2114.
The 2300 series includes models 2310, 2312, and 2314.
FEATURE TABLE
MODEL LCD / KEYPAD mA Output Number of Relays
2110 Yes Yes None
2112 Yes Yes 2
2114 Yes Yes 4
2310 No Yes None
2312 No Yes 2
2314 No Yes 4
All 2300 series controllers lack a display and keypad (are “Blind”) and are typically used in sytems
where more than one controller is installed; such as tank farms. For these applications the 2300
series is a lower cost alternative to the 2100 family.
Since there is no user interface, a Central Access Panel (CAP) or a Handheld Calibrator is required
to setup and calibrate 2300 series controllers. The CAP or Handheld Calibrator communicates with
each 2300 series controller via a RS-485 / modbus network. Multiple 2300 series controllers may be
networked on the RS-485 link. Each 2300 series controller comes factory set with a preset network
address or node number so the CAP or Handheld can communicate with each controller on the
network. The node number is marked on the enclosure of each 2300 controller in the system.
The Arjay RS-485 / modbus network may be used to link all other members of the Arjay 2000 series
level controllers including 2100, 2200, 2300, and 2400 series members. The only requirement for
being on the network is that each controller must have a unique node address (unique to the
particular network).
2300 SERIES CONTROLLERS
Since the 2300 series controllers have no display or keypad, this manual assumes a Handheld or
CAP unit is being used for these models.
For the most part, the CAP or Handheld LCD screen and Keypad provide an identical menu and
display as the 2100 series models which have an integral LCD and keypad.