Define - Model G3-IOT -Gateway Edge Processing Device

Easy setup using WorkBench
Most applications can be configured using easy selectable options, making it accessible for users of all technical levels.

Custom coding available
For customers with unique or highly complex applications, custom coding is available, for inbuilt PLC machine control.

Universal input type
Simplifies your system and gives you the flexibility to capture all the data you need.

Connects directly to temperature sensors
Features built-in isolation, eliminating the need for external transmitters, reducing costs, and enhancing performance.

Define Connected Device Management
We remotely support all your Define connected devices with OTA updates, technical troubleshooting and connectivity.

Multi-network SIM
Compatible with major carriers (AT&T, Verizon, and T-Mobile), our multi-network SIM will switch to the strongest available signal if the preferred carrier experiences a disruption, ensuring consistent and stable connectivity.

• 16 bit input resolution
• Real-time clock & logs 31,774 samples for all channels
• Can convert process signals directly to wireless
• Requires a USB Bridge Key in order to program
• Low voltage, 10 to 30VDC power supply
• CE approved & 5-year guarantee

General Specifications

• Power supplyHV Model: 85–265V AC 50–60Hz / 120–300V DC, Overvoltage Category IILV Model: 11–30V DC
• Excitation outputHV Models: 24–27V Typ. @40mALV Models: DC Input Voltage @100mA (PTC Fused)* Limit applies to the sum of all excitation (EXC) currents
• Power consumption 10W max, 6W typical
• Linearity & repeatability 
• RF immunity 
• Noise immunity (CMRR) 160dB tested at 300V RMS 50Hz
• Permanent memory (EEPROM) 100,000 writes per input parameter

Process Analog Input

• 2x (4–20mA) Process inputs (A & B)
• Input resolution 12 bits
• Accuracy 
• Input isolation Not isolated to power supply or digital inputs

Digital Input

• 4x Built-in Digital inputs
• Functions Status, up counter, up/down counter with direction, debounced counter, frequency, gated frequency
• Counter register output 32 bit
• Frequency range 0–10,000Hz (0–1,000Hz in Sleep Mode)
• Threshold 1.65V typical
• Input types NPN, PNP, Clean Contact, Voltage 0–30V DC
• Debounce counter range 0–100Hz
• Maximum voltage 30V DC
• Input impedance >300KΩ
• Isolation Not isolated
• Relay Output
• 1x Change over Form C Relay* (Relay A)8A 250V AC or 8A 30V DC (resistive load)* Relay A is not installed on models with the ‘EX’ add-on
• 2x Form A Relays (Relays B & C)3A 250V AC or 3A 30V DC (resistive load)
• Life expectancy (Relays A, B & C) 100K Cycles at max load rating
• Auxiliary Power Output
• 1x Auxiliary power output (Relay D)HV Models: 40mA max*LV Models: 100mA max** Maximum total Excitation (EXC) limit applies.
• Configuration
• USB programmable Via ‘PC Setup’ port using Bridge Key USB programmer (sold separately)
• Simple configuration using Define Workbench
• Comms
• Protocols Modbus RTU, Define ASCII, Custom (via Macro Script)
• Serial Port (Port 2) RS485*Selectable baud rate 2400-230400 baud. 8 bit, no parity, 1 stop bit* The RS485 Serial Port (Port 2) is not available on models with a Sensor Bus expander fitted
• Display Port (Port 3) RS485Selectable baud rate 2400-19200 baud. 8 bit, no parity, 1 stop bit
• EIA-485 Compliant
• Data Logging
• 200 samples with up to 30 parameters plus time stamp per sample
• Real-Time Clock (RTC) RTC time base UTC. Local time in device with automatic daylightsavings adjustment
• Wireless Network Interface
• Wi-Fi Protocol 802.11b/g/n. 150Mbps max. 2.4GHz** Not compatible with 5GHz Wi-Fi networks. Check your configuration as most access points can run 2.4GHz and 5GHz simultaneously.
• Network Protocols
• Transport Layer Security (TLS) TLSV1.2. Mutual authentication via X.509 certificates
• MQTT Version 3.1.1. Supports QoS 0 & 1
• ModBus TCP Register access (Slave)
• MDNS Service Discovery
• STNP Time service
• OTA Updates Over the air firmware update delivery
• Environmental Conditions
• Operating temperature -40°F ≤ Ta ≤ 149°F (-40°C ≤ Ta ≤ 65°C)
• Storage temperature -40°F ≤ Ta ≤ 149°F (-40°C ≤ Ta ≤ 65°C)
• Operating humidity 5–85% RH max, non-condensing
• Altitude Up to 6,550ft (2,000m)
• Construction
• Casing DIN 35 rail mounting; Material: PC/ABS blend V0 (UL94) IP20 rated. Installation Category II;Pollution Degree 2; Flame resistant
• Terminals Removable screw terminal connectors. Alternative spring terminal connectors available on request.** Subject to ordering quantity and lead time restrictions.
• Dimensions (HxWxD) 3.98×0.91×4.72″ (101x23x120mm)**** Base unit housing with no expansion modules. Excludes antenna and connectors.
• Antenna heightsWi-Fi antenna: 3.35″ (85mm)8Dbi Cellular antenna: 6.89″ (175cm)
• Required mounting height with antenna(s)Wi-Fi antenna only: 6.69″ (170mm)Both antennas: 7.28″ (185mm)
• Compliance Approvals
• EN55032: 2015 + A11: 2020 Class A device
• EN 61326-1:2006 Immunity to Industrial Locations
• EMC: EN61326-1: 2006 Class A
• Safety requirements for electrical equipment for measurement control, and laboratory use:EN 61010-1 General RequirementsEN 61010-2-201 Particular requirementsfor control equipment
• UL Listed File number E534675
• FCC (Specific models)** See Appendix B of the user manual for details
• ICES-003 (Specific models)**** See Appendix C of the user manual for details