ALTUS Nexto Series Manuale utente
Nexto Logger
Nexto Series NL717
CE117100 Rev. B
1. Product Description
Nexto Logger is a Datalogger belonging to the Nexto Series product family. It was developed to expand the Series’ fields of
activity and provides high-speed processing power in a compact design with digital and analog inputs, SDI-12 communication,
and LoRa long-distance radio integrated into the same equipment.
This product was developed with a focus on monitoring and telemetry applications, in other words, systems that collect
remote data, offering digital and analog inputs, all of them with high precision as required in the hydrological parameter mon-
itoring market, solar energy generation applications, and other areas related to science and monitoring of physical quantities.
In addition to the integrated inputs, it is possible to collect sensor data via SDI-12 network, the data is stored in the Datalog-
ger’s internal memory and sent to collection stations via the integrated ethernet network or via the long range radio frequency
infrastructure, LoRa.
Nexto Logger is suitable for data collection in systems that require remote data collection. Its extended power supply
range allows applications in different areas including powering with alternative energy sources such as solar power. It can be
used in applications such as hydrology, sanitation (water and effluents), agribusiness, private and public urban infrastructure,
sensor data collection for data analysis, and other scientific applications as a replacement for traditional analytical methods. In
addition, it is an ideal solution to complement large applications together with the Nexto Series portfolio, extending the range
of applications using the same technology and engineering environment. This is a great advantage for OEMs and integrators
in these application areas where application scalability is required.
Its main features are:
Compact design
DIN rail mount
High-speed 32-bit ARM-based processor
10/100 Mpbs Ethernet interface with protocols like
OPC UA, EtherNet/IP, MODBUS and MQTT
LoRa Long Range Radio
Optoisolated digital inputs
Analog current inputs
Real-time clock (RTC)
2. Ordering Information
2.1. Included Items
The product package has the following items:
Compact NL717 module
Connectors
2dbi Omnidirectional Antenna
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
2.2. Product Code
The following code should be used to purchase the product:
Code Description
NL717 NL717 - DATALOGGER 8DI 8AI LORA
Table 1: Product code
3. Related Products
The following products must be purchased separately when necessary:
Code Description
MT8500 MasterTool IEC XE
NX9202 RJ45-RJ45 2 m Cable
NX9205 RJ45-RJ45 5 m Cable
NX9210 RJ45-RJ45 10 m Cable
AMJG0808 Simple cable RJ45-RJ45 2 m
GW700 GATEWAY LORA, ETH, USB
Table 2: Related Products
Notes:
MT8500: MasterTool IEC XE is available in four different versions: LITE, BASIC, PROFESSIONAL and ADVANCED.
For more details, please check MasterTool IEC XE User Manual - MU299609.
NX92xx: Cable for programming the CPUs of the Nexto Series and Ethernet point-to-point with another device with
Ethernet interface communication.
AMJG0808: Cable for programming the CPUs.
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
4. Product Features
4.1. General Features
NL717
Digital Inputs 4
Fast Inputs 4
Max. number of high-speed counters 1
Max. number of external interruptions 2
Current Analog Inputs 8
Ethernet TCP / IP interface 1
Max. number of tasks 16
Programming languages
Structured Text (ST)
Ladder Diagram (LD)
Sequential Function Chart (SFC)
Function Block Diagram (FBD)
Continuous Function Chart (CFC)
Online changes Yes
Watchdog Yes
Real-time clock (RTC)
Yes
Resolution of 1 ms, max. variance of 95 seconds per year,
retention time of 20 days.
Status and diagnostic indication LEDs, web pages and CPU’s internal memory
Isolation
Protective earth to all 1500 Vdc / 1 minute (1000 Vac / 1 minute)
Ethernet to all 1500 Vdc / 1 minute (1000 Vac / 1 minute)
Power Supply/Analog Inputs to all 1500 Vdc / 1 minute (1000 Vac / 1 minute)
Digital Inputs to all 1500 Vdc / 1 minute (1000 Vac / 1 minute)
Maximum power dissipation 15 W
Maximum wire size 0,5 mm2(20 AWG) with ferrule
1,5 mm2(16 AWG) without ferrule
Minimum wire temperature rating 75 ◦C
Wire materia Copper only
IP level IP 20
Conformal coating of electronic circuits Yes
Operating temperature -20 to 60 ◦C
Storage temperature -25 to 75 ◦C
Operating and storage relative humidity 5% to 96%, non-condensing
Vibration resistance (IEC 60068-2-6, sinus)
7 mm from 5 to 8,4 Hz
2 G from 8,4 to 500 Hz
10 sweeps each axis, 1 octave per minute
Shock resistance (IEC 60068-2-27, half-sine) 15 G for 11 ms, 6 shocks in each of 3 axis
Product dimensions (W x H x D) 215,5 x 98,8 x 34,0 mm
Package dimensions (W x H x D) 270,0 x 102,0 x 40,0 mm
Weight 370 g
Weight with package 430 g
Standards and Certifications
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
NL717
RoHS – 2011/65/EU
Yes
ANATEL (16956-22-14445)
Yes
Table 3: General Features
Notes:
For more details, please consult: www.gov.br/anatel.
This equipment is not entitled to protection against harmful interference and may not cause interference to properly autho-
rized systems.
This product is not suitable for use in domestic environments as it may cause electromagnetic interference in which case
the user is required to take necessary steps to minimize this interference.
Maximum Number of Tasks: This value represents the maximum total of user and system tasks. The detailed description
of possible user tasks can be found on Project Profiles section of User Manual.
Conformal coating of eletronic circuits: Conformal coating protects the electronic components inside the product from
moisture, dust and other harsh elements to electronic circuits.
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
4.2. Memory
NL717
Direct representation input variable memory (%I) 2 Kbytes
Direct representation output variable memory (%Q) 2 Kbytes
Direct representation variable memory (%M) 1 Kbytes
Symbolic variable memory 2 Mbytes
Maximum amount of memory configurable as retentive or persistent 7,5 Kbytes
Full Redundant Data Memory -
Direct representation input variable memory (%I) -
Direct representation output variable memory (%Q) -
Direct representation variable memory (%M) -
Symbolic variable memory -
Total memory 64 Mbytes
Program memory (limited to 6 MBytes) +
Source code memory (backup)
User files memory 8 Mbytes
Table 4: Memory
4.3. Protocols
NL717 Interface
MODBUS TCP Client Yes NET 1
MODBUS TCP Server Yes NET 1
MODBUS RTU via TCP Client Yes NET 1
MODBUS RTU via TCP Server Yes NET 1
OPC DA Server Yes NET 1
OPC UA Server Yes NET 1
EtherNet/IP Scanner Yes NET 1
EtherNet/IP Adapter Yes NET 1
MQTT Client Yes NET 1
SNTP Client (for clock synchronism) Yes NET 1
SDI-12 Master Version 1.4 Yes SDI-12
Table 5: Protocols
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
4.4. Ethernet
Ethernet
Connector Shielded female RJ45
Auto crossover Yes
Maximum cable length 100 m
Cable type UTP or ScTP, category 5
Baud rate 10/100 Mbps
Physical layer 10/100 BASE-TX
Data link layer LLC
Network layer IP
Transport layer TCP (Transmission Control Protocol)
UDP (User Datagram Protocol)
Diagnostic LED (Link/activity)
Table 6: Ethernet Interface Features
4.5. LoRa Radio
LoRa Radio
Connector SMA female
Maximum cable length 10 m (Maximum)
Cable type PigTail
Baud rate 290 bps to 50 kbps
Radio type LoRaWan
Frequency Range 915-928MHz
Network layer LoRaWan
Receiver Sensitivity -140 dBm
Type of Antenna Omnidirectional for outdoor environments
Output Power 27 dBm
Gain 2 dBi
Line-of-Sight Range 3 to 4km in urban areas and 10 to 12km in rural
areas
Table 7: LoRa Radio Features
4.6. SDI-12
SDI-12
Connector 3-pin connector block
Physical interface SDI-12
Power Supply Output 12V
Maximum Current 500 mA
Communication Direction Single data line in half-duplex
Cable length 60m (Maximum)
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
SDI-12
Transmission Rate 1200 bps
Protocols SDI-12 Master Version 1.4
Max SDI-12 Sensors 10
Table 8: SDI-12 Interface Feature
Note:
For the correct operation of the SDI-12, the MainTask must be configured with a time lower than or equal to 20 ms.
4.7. Power Supply
Power Supply
Nominal Input Voltage 12 / 24 Vdc
Input Voltage 10 to 30 Vdc
Maximum Input Current (in-rush) 50A / 300 us
Maximum Input Current 1500 mA
Table 9: Power Supply Features
4.8. Digital Inputs
Digital Inputs
Input Type Optoisolated point type 1
An isolated group of 8 inputs
12 Vdc / 24 Vdc
Input Voltage 5 to 30 Vdc for logic level 1
0 to 2 Vdc for logic level 0
Input Impedance 4,12 kΩ
Maximum Input Current 7,28 mA @ 30 Vdc
Input State Indication Yes
Response Time 0,1 ms
Input Filter Disabled or 2ms to 255ms - by software
Table 10: Digital Inputs Features
Note:
Input Filter: The filter sampling is performed on MainTask (or Refresh function), then it’s recommended to use multiple
values of the task interval.
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
4.9. Fast Inputs
Fast Inputs
Number of fast inputs 4 (can be used as high-speed counter, External interrupt or
normal input)
Max. number of high-speed
counters 1
Max. number of external in-
terrupts 2
Connector configuration I00, I01, I02 and I03
12 Vdc / 24 Vdc
Input voltage 5 to 30 Vdc for logic level 1
0 to 2 Vdc for logic level 0
Input impedance 4,12 kΩ
Maximum input current 7,28 mA @ 30 Vdc
1-input modes:
Normal digital input
External interrupt
Configuration mode 2-input modes:
Up/Down (A count, B direction) with zero (uses I00, I01,
I02)
Quadrature 2x (uses I00, I01)
Quadrature 2x with zero (uses I00, I01, I02)
Quadrature 4x (uses I00, I01)
Quadrature 4x with zero (uses I00, I01, I02)
Counting direction control By software or hardware
Counting input detection edge Rising edge, active at logic level 1 (except for quadrature 4x,
where it counts on both edges)
Data format Signed 32-bit integer
Operation limit From - 2.147.483.648 to 2.147.483.647
Maximum input frequency 100 kHz
Minimum pulse width
@ 24 Vdc 2µs
Table 11: Fast Inputs Features
4.10. Analog Inputs
Analog Inputs
Input Type Voltage or current input, single ended, individually config-
ured
Data Format 16 bits in two’s complement, justified to the left
Converter Resolution 24 bits monotonicity guaranteed, no missing codes
Conversion Time 400 µs
Input status indication Yes
Module Protections Yes, protection against surge voltages and polarity inversion
Table 12: Analog Inputs Features
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
Current Input Mode
Input ranges Range Engineering Scale Resolution
0 to 20 mA 0 to 30.000 5,12 µA
4 to 20 mA 0 to 30.000 5,12 µA
Precision ±0,3 % of full scale @ 25 ◦C
±0,015 % of full scale / ◦C
Over scale 3 % of full scale
Maximum input current 30 mA
Input impedance 270 Ω
Configurable parameters Signal type per input
Filters
Open Channel
Low pass filter time constant 100 ms, 1 s, 10 s or disabled
Table 13: Analog Input Characteristics - Current
Note:
Input ranges: : When configured as 4 to 20 mA, input signals lower than 4 mA will result in negative values (-7,500 for 0
mA). In MasterTool IEC XE, there is a parameter called Open Loop Value was included to select the behavior in this situation.
The default value is Disabled (which provides a linear reading as described above), having also the option to provide a fixed
reading equal to lower and upper limits ("0" or "30000").
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Nexto Logger
Nexto Series NL717
CE117100 Rev. B
5. Compatibility with Other Products
To develop an application for Nexto Series CPUs, it is necessary to check the version of MasterTool IEC XE. The following
table shows the minimum version required (where the controllers were introduced) and the respective firmware version at that
time:
Controller model MasterTool IEC XE Firmware version
NL717 3.51 1.13.9.0
Table 14: Compatibility with other products
Additionally, along the development roadmap of MasterTool IEC XE some features may be included (like special Function
Blocks, etc...), which can introduce a requirement of minimum firmware version. During the download of the application,
MasterTool IEC XE checks the firmware version installed on the controller and, if it does not meets the minimum requirement,
will show a message requesting to update. The latest firmware version can be downloaded from Altus website, and it is fully
compatible with previous applications.
6. Installation
ATTENTION
Products with broken warranty seal are not covered in warranty.
CAUTION
The device is sensitive to static electricity (ESD). Always touch in a metallic
grounded object before handling it.
DANGER
Nexto Series can operate with voltage up to 250 Vac. Special care must be
taken during the installation, which should only be done by qualified technical
personnel. Do not touch on the wiring field when in operation.
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