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Chapter 2 Unpacking and Connection
LiQuilaz II E and S Operations Manual
Page 2-7
Communications Connectors
There are multiple communication connectors on the rear panel (see
An Ethernet connector is available for use. This supports PMS protocol programs such
as Facility Net, and Modbus TCP for use with custom solutions.
Two DB-9 (female and male) connectors which support RS-485 and hardware sampling
are also available. The second connector is available for daisy chaining to other sensors
on the network.
An RJ-12 connector is available for RS-232 setup and communications. This connector
attaches to the PMS-CD1995 adaptor, which can be connected to a standard 9-pin PC
serial port.
A standard IEC AC power entry module, with a power switch, is also located on this
panel.
Figure 2-12
LiQuilaz II Liquid Particle Counter (rear panel)