Tech Briefs Magazine - May 2021 - 49

APPLICATION
BRIEFS
I/O Module Enables
Remote Data Capture

HMI

Opto 22
Temecula, CA
www.opto22.com

Mongo DB

Monthly reports

E

Internet
quipment-as-a-service (EaaS) involves
Text and email alerts
renting out or providing access to
equipment and collecting payment periodically, rather than selling the equipment
outright. This payment model enables end
users to pay for costly or infrequently used
equipment as an ongoing operating expense, which can open new markets for
machine builders.
Analog and
digital I/O
Shumaker Industries is an OEM that
connections
Device
Cellular router
builds automated truck wash systems using
Firewall
a PLC to control position sensors, wash
nozzles, etc. Shumaker wanted to add a
remote monitoring option for customers
who were interested in a rent-to-own arrangement but their PLC didn't have the
ability to perform the database transactions
they would need to monitor usage.
Martins Electrical Service (MES), the sys- MES's monitoring system uses groov RIO to grab
tem integrator that Shumaker hired to storage, and generate useful alerts and reports.
design this new option, initially experimented with a proprietary remote monitoring system - wireless
sensors that pumped data into a cloud database through a
local Internet of Things (IoT) gateway. But the system
could deliver updates only every 10 minutes and the data
was locked in the vendor's private storage system.
MES took a new approach. Rather than installing additional sensors, they used groov RIO from Opto 22 and the
system's ten software-configurable I/O channels to capture
existing sensor data in parallel with the wash system's PLC.
Then, using Node-RED - IBM's open source IoT platform embedded in groov RIO - they organized that I/O
data into time-stamped sets associated with a vehicle number. Finally, they connected a 4G cellular router to groov
RIO and pushed those data structures from Node-RED
directly to cloud-hosted storage, which they rented from
MongoDB.
This approach allowed MES to deliver a scalable monitoring system without worrying about vendor lock-in or IT
infrastructure maintenance. And by simply grabbing existing I/O signals, they avoided the need to communicate
with or modify Shumaker's existing PLC controls.
To complete their EaaS design, MES built a Web-based
dashboard that lets Shumaker visualize the wash system in
operation with one-second resolution. Node-RED also generates e-mail and text alerts including a monthly report on
the number of trucks processed by each wash system that
Shumaker uses to calculate billing.

www.techbriefs.com

Cov

existing I/O signals, send them into cloud

groov RIO installed in a wash system monitoring panel.

For Free Info Visit http://info.hotims.com/79413-117

Tech Briefs, May 2021

PLC control
panel

ToC

49


http://info.hotims.com/79413-117 http://info.hotims.com/79413-117 http://www.techbriefs.com http://www.abpi.net/ntbpdfclicks/l.php?202105TBNAV

Tech Briefs Magazine - May 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - May 2021

Tech Briefs Magazine - May 2021 - Intro
Tech Briefs Magazine - May 2021 - Sponsor
Tech Briefs Magazine - May 2021 - Cov1
Tech Briefs Magazine - May 2021 - Cov2
Tech Briefs Magazine - May 2021 - 1
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Tech Briefs Magazine - May 2021 - Cov3
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Tech Briefs Magazine - May 2021 - PIT-Cov1
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