iSAtech iSAbox Irrigation system

iSAtech iSAbox Irrigation system Smart Prepaid Irrigation System

The iSAtech iSAbox Irrigation system combines the iSAtech Omni Control Node with a Bermad valve/water meter into a compact, robust prepaid irrigation system with multi-tenant billing and consumption monitoring. Water supply is enabled after a water credit has been loaded — via NFC card, smartphone, manually by push button, or online via the iSAtech PayU-Cloud. Withdrawal volumes and time windows can be dynamically restricted. The system provides transparency, control, and efficiency for irrigation communities, water utilities, and agricultural businesses.

The iSAtech iSAbox Irrigation is designed for outdoor use and can operate autonomously on battery power. The control unit is mounted directly on the Bermad valve and meter, forming a compact, ready-to-use unit. The integrated antenna enables wireless connectivity via LTE or LoRaWAN without any additional hardware. Once connected via LTE or LoRaWAN, all consumption and credit data is transmitted to the iSAtech PayU-Cloud for analysis and billing.

How It Works

The water credit can be provided in several ways: via NFC card or smartphone — even offline without an internet connection — or directly online via the iSAtech PayU-Cloud.

When the user holds the NFC card or smartphone up to the iSAtech iSAbox Irrigation, the Bermad valve opens and water flows. The amount of water dispensed is deducted from the balance. Once the credit is exhausted, the valve closes automatically.

A simple NFC-enabled Android smartphone is sufficient to top up the NFC card.

In online mode, all information is synchronised in real time with the iSAtech PayU-Cloud. Consumption and credit balance can be viewed at any time by the utility and the user.

Budgets can be provided automatically on an annual, monthly, or daily basis. Once the credit is used up, the supply can be interrupted immediately or after a warning.

Alternatively, the required water volume can be entered directly on site using the push buttons. The system supplies exactly that quantity and then automatically closes the valve. Configured limits and budgets are monitored throughout, and the entire dispensing event is logged online.

Water Credit — Budgets and Prepaid

The water utility or irrigation association has full flexibility in determining how users purchase their water quotas and what volumes may be used at specific locations within configurable time slots. Quotas can be set up as prepaid or billed afterward. Thanks to direct integration with payment systems or banks, payment processes can be fully automated.

Time-based and location-based dispensing limits protect water infrastructure and provide users with a defined water quantity to manage their irrigation freely.

Once the credit is exhausted, the supply can be interrupted immediately or after a warning. The interruption can also be triggered remotely and manually by the operator.

Operation — Online and Offline

In offline mode, all credit information is stored directly on the NFC card or smartphone — ideal for sites with poor network coverage.

In online mode, the connection to the iSAtech PayU-Cloud enables additional functions: dynamic dispensing limits, automatic budget provisioning, and full remote control. All data is logged and synchronized without loss, even after a connection interruption.

Flexible with Extensive Interfaces

The iSAtech iSAbox Irrigation can be combined with a wide range of valves, meters, sensors, and actuators. Thanks to its extensive interfaces for motor control, pulse input/output, Modbus, USB, and NFC, it can also connect to controllable pressure reducers and pumps, monitor external solar charge controllers, or regulate local access.

Various extension options are available, such as automated billing and invoicing or demand-driven irrigation. External solar charge controllers can be monitored and local access can be regulated.

Detailed Overview for Utilities and Users

Utilities and users can quickly see which dispensing systems are active and how much water has been dispensed. Comprehensive management of users, budgets, and dispensing systems makes operation easy for everyone — whether on a desktop computer or a smartphone.

A detailed overview provides insight into dispensing volumes, costs, and the status of each individual dispensing system. Graphical evaluations by hour, day, month, and year, as well as detailed transaction reports, support utilities with billing and invoicing.

iSAbox Irrigation — Advantages

Monitoring and control of water supply in irrigation, industry
Online connectivity via LTE, LoRaWAN, or as an offline system
Local control via push buttons, NFC cards, smartphone, or online
Prepaid or budget system with payment system integration
Multi-Tenant billing with consumption monitoring

Dynamically controlled water dispensing and limits for available water volumes
Flexible irrigation programmes
Online monitoring and reporting with analysis functions
Wide range of interfaces for sensors and actuators
Power supply: external or via internal batteries

Technical data — Control unit

Controller
Arm® 32-bit Cortex®-M4
up to 4 MB persistent storage for logs

Profiles
Irrigation Prepaid Meter
Smart Irrigation
Measurement: volumes (litres), time-based
Flow control and limiting

Functions
Water dispensing control
Metering, billing
Online monitoring, remote control
Online and offline operation
Dispensing control: NFC card, smartphone, online
Configuration: USB, NFC smartphone, online
Over-the-air update

Connections
S0 bus (open collector)
Reed switch pulse
RS485 Modbus RTU (optional)
USB-C (for configuration)

Push buttons
2 push buttons for dispensing control (optional)

Display
Graphical LCD display (55 mm x 18 mm)

Power supply
External power supply 12–24 VDC
Internal battery pack 12 VDC (optional)

NFC/RFID
ISO/IEC 15693-2,-3; 18000-3
NXP MIFARE Ultralight C

Modem
GSM/UMTS/LTE-FDD Cat 1 (optional)
LTE-M/LTE Cat-NB1 (optional)
Micro-SIM (3FF)

Radio
LoRaWAN 868 MHz (optional)

Security
AES-256, TLS 1.2 ECC

Conformity
CE mark
R&TTE Directive 2014/53/EU

Protection class
up to IP67

Technical data — Bermad Hydrometer IR-900

The Bermad Hydrometer IR-900 is a combined meter and valve in a single unit, specifically optimised for use in irrigation. It integrates precise flow measurement and reliable shut-off function in a compact, robust housing, reducing installation effort and potential sources of error to a minimum.

Valve
Bermad bistable solenoid valve
Nominal size DN50

Design
Diaphragm valve, hydraulically actuated

Housing material
Cast iron, epoxy coated

Operating pressure
up to 16 bar

Valve control voltage
9–12 VDC (pulse, bistable)

Water meter
Bermad volume meter integrated
Nominal size DN50

Measuring range
0.5–40 m³/h

Minimum flow
120 l/h

Register
Mechanical, dry running

Pulse output
Reed switch pulse, configurable

Temperature range
0.1–50°C

Approval
MID