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SIO-EX-MC-SE-SI22NNNN-xx
2Smart™
Sensor Interface
D6 Labs SentIO_Prod
Introduction
The Sent.io™ DIRECT2CLOUD I/O gateway is perfect for stand-alone IoT
monitoring in a variety of applications including building management, oil
and gas, water/wastewater and much more.
Sent.io™ has multiple power options to fit any application, including
internal battery, external 8-32V DC, and solar. Sent.io™ 2Smart™ works
with our entire line of 2Smart™ plug and play sensors to measure
temperature, pressure, ambient pressure, tank level, and more. Analog
inputs are measured every 5 minutes and stored in non-volatile memory;
every 4 hours, all buffered sensor readings are pushed to the cloud. The
cloud is notified immediately if an input crosses a user-defined alert
threshold, providing real-time notification when problems occurs.
The Sent.io™ IoT gateway is perfect for monitoring applications including
tank level, flow rate, metering, water chemistry, temperature, pressure,
and much more.
Sent.io™ communicates securely to the cloud using a built in 4G Cat M1
modem so it does not require access to customer networks or support
from customer IT personnel. Our proprietary Cat M1-MC™ technology
allows Sent.io™ to seemlessly switch between AT&T, T-Mobile, and
Verizon, ensuring reliability without the need for separate SIM cards.
Ordering Information
Part Number
Description
SIO-EX-MC-SE-SI22NNNN-xx
2Smart
Features
•
2Smart Sensor Interface
•
Battery
•
CatM1-MC - Works with Verizon, AT&T, & T-Mobile
•
Direct2Cloud air-gapped communications
•
IP67 rated outdoor enclosure (DIN Rail, wall/pole
mount)
•
Simple to install, easy to use
•
24/7 remote monitoring /control from anywhere
Connector Wiring
This Sent.io™ is configured with
two (2)
external channels:
4
2
3
1
Con 2 (Left)
4
2
3
1
Con 1 (Right)
Connector
Pin
Function
Description
1
1
Vin
8-24V Input (select models)
1
2
Channel 1
Not used
1
3
Channel 2
Not used
1
4
Ground
Circuit ground
2
1
Vout
Sensor Supply Voltage
2
2
Channel 1
0-5 VDC Analog Input
2
3
Channel 2
0-5 VDC Analog Input
2
4
Ground
Circuit ground
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© Copyright 2026 Digital Six Laboratories, All Right Reserved
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www.d6labs.com
sales@d6labs.com
Mechanical Drawing - 2Smart™
Sensor Interface
D6 Labs Sent.io™2Smart™sensor interfaceMechanical Drawing
* Dimensions are in inches
Product Attributes
Type
Description
Operating Temperature Range
-40
-
85°C
Analog Input Current Range
4-20 mA
Power Supply (External DC Power Option)
8-32 VDC
Power Supply Current--Average
50mA (typical)
Power Supply Current--Peak
2
1A (typical)
Battery Backup (MicroUPS Power Option)
1
48Hours (typical)
Battery Life
1
2-10 Years (typical 8 years)
Battery Backup (MicroUPS Power Option)
1
48Hours (typical)
1) Depends on installed sensors and operating environment
2) Peak current at 3.6V
