Chipkin™
Modbus® RTU Data Client
User Manual
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Page 9 of 55
2.
OVERVIEW
PRODUCT SUMMARY
The
Chipkin™
CAS2500-01 Modbus® RTU Data Client is a device that connects to Modbus® RTU as
a Modbus RTU Master, and reads and stores the data. The data client operates by reading data from
the configured registers and stores the values in an internal database. These values can then be logged
to an archive file or can be accessed via the data clients REST API as XML, JSON, or CSV data using
HTTP Get requests. Log files can be accessed by a Web Browser or FTP client.
The device requires minimal configuration and can be considere
d a ‘plug and play’ component of any
network system. It’s ready to operate ‘out of the box’ and can be installed without an engineer’s
approval.
SYSTEM OVERVIEW
The
CAS2500-01
is a data client that polls for data and stores trending data over time. The data client
typically sends polling messages, extracts any data values, and stores the values in an internal
database. These values are then viewable via webpages or are archived into comma-separated-value
spreadsheets that can be retrieved from the file system. Archived data files can be generated hourly,
daily, monthly, or all in one large file.
OPTIONAL EXPANSION MODULES
The CAS2500-01
has the following expansion modules:
•
HTTP Push Driver
–
tasks that can push data to a 3
rd
party server as a JSON payload using
HTTP POST or PUT.
INSTALLATION AND CONFIGURATION SUMMARY
For more information on how to install and setup the
CAS2500-01
please refer to the CAS Gateway
Quick Start Guide. For instructions on configuring this device, please refer to the
Configuration and
Settings Section
of this document. Configuration of the device is completed primarily through a web
interface.
DEVICE WIRING REQUIREMENTS
For more information on how to wire up the CAS2500-01, please refer to the
Connections Section
of
this document.
The
Connections Section
contains wiring pictures and diagrams as well as port pin-
outs.
