The W-series opens a new set of possibilities when combined with the
vendor’s other modules. A W-series module can be daisy chained with up
to 247 expansion modules using pass-through connectors, for example,
creating an expansive, versatile distributed control and monitoring
network connected wirelessly to the host. All modules operate from
9-30VDC, are powered by terminal block or DC jack, and are available
with host connection options including Ethernet, USB, RS-485 and
RS-232. W-series module prices start at $589.Sealevel Systems Inc.www.sealevel.com864.843.4343