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Hardware

Features

Features

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Open IoT gateway

ESD protection for the RS485 data line

Power supply: +12 to +30 VDC

Transmission speed up to 115200 bps

Tx, Rx and power LED indicators

RS485 embedded termination 120 ohm

Operating temperatures: -40°C to +75°C

DIN-rail mounting

Dimensions: 98x56.4x22.5 mm

3 years warranty

Customization of OEM is welcomed

Frame ground FG

Electronic circuits are constantly prone to electrostatic discharge ESD. Redisage Electronics modules feature a design for the frame ground terminal block FG. The frame ground provides a path for bypassing ESD, which provides enhanced static protection ESD abilities and ensures the module is more reliable. Connecting FG terminal block to the earth ground will bypass the ESD disturbances outside the device so will provide a better level of protection against ESD.

Frame Ground FG connection reference drawing is provided below.

If earth ground is not available FG can be left floating or it can be connected with the power supply GND.

LED indicators

Gateways P10 - P12
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LED indicator Color Function
PW Blue Power
L1 Green LED 1
L2 Green LED 2
L3 Yellow LED 3
L4 Red LED 4
L5 Red LED 5

Board overview

The complete Open IoT and IIoT Gateway kit consists of:

  • developer module
  • power supply module
  • RJ45 network adapter
  • hardware programmer (TagConnect + adapter for ST-LINK)

Main Board

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Power Supply Board

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Power input & RS232/RS485 ports

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  • Vcc1, Vcc2 - power supply input 12-30 VDC
  • FG - frame ground
  • GND - power supply ground

RS232/RS485 ports depend on the device variant.

Ethernet

To support the Ethernet network interface communication, the network adapter available in the kit must be installed on the module (pay attention to its correct installation). This interface is supported by the external IP101G physical layer which communicates with the STM32 microcontroller.

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