Rockwell Automation EK-44750C Enwatch Unit - Manual (Page 4)

Rockwell Automation Publication GMSI10-IN001A-EN-P - May 2013
4 Enwatch Unit
Electrical Overview
Enwatch is a distributed network system providing 16 channels of analog inputs
together with 4 trigger channels. The unit includes signal conditioning and
analog to digital conversion. It lets you connect 16 two-wire ICP or other sensors
into your Emonitor® Online system. Each Enwatch unit is a
microprocessor-based system, complete with a network controller that carries out
data acquisition tasks as directed by an Emonitor unload station.
A typical diagram for an Enwatch unit is shown in Figure 1 .
Figure 1 - Enwatch Block Diagram
The Enwatch unit responds to all relevant network data exchanges as defined by
the Ethernet protocol using the UDP/IP standard. In addition, there is a
comprehensive on-board monitor program that can exercise all functions via the
on-board serial RS232 port.