© Agrowtek Inc. | www.agrowtek.com | Technology to Help You Grow™
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© Agrowtek Inc. | www.agrowtek.com | Technology to Help You Grow™
Technology to Help You Grow
AGROWtEK
Digital Irrigation Valve Controller
VX8i: 8 Output
VX12i: 8 Output / 4 Input
Contents
Introduction
2
Component Locations
3
Installation Instructions
4
Mounting the Enclosure
4
Power Connections
5
Wire Routing
5
I/O Terminals
6
Output Connections, Irrigation Valves
7
Output Connections, Other Devices
8
Input Connections, Discrete Sensors (VX12i)
9
Input Connections, Analog Sensors (VX12i)
10
Connection to GrowControl™ Cultivation Controllers
11
Connection to USB AgrowLINK
12
Specifications
Input Power
1A@15Vdc
Max Switching Current
1A per point / 1A combined
Max Switching Voltage
24Vdc
Outputs
8 Sourcing FETS
Output Status Indicators
Red LEDs
PWM on Outputs
6 Channels, 1kHz 10-90%
Inputs
4 Analog Channels
Analog Input Type
0-5Vdc / 0-20mA, 12-Bit
Jumper Selectable
Analog Sensor Power
500mA @ 5Vdc
Enclosure Knock-Outs
(2) dia. 7/8”
Enclosure Rating
TYPE 12K NEMA
Minimum Cycle Time
1 second
Interface
GrowNET™, MODBUS
MODBUS RTU
12
Serial Speed & Format
13
Supported Commands
13
Register Types
13
MODBUS Holding Registers
14
MODBUS Coil Registers
14
Technical Information
15
Troublshooting
15
Maintenance & Service
15
Storage and Disposal
15
Warranty
15
INSTRUCTION MANUAL
VXi
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