RevPi Connect+

The open source IIoT gateway RevPi Connect+ gives users maximum freedom when implementing IIoT projects due to its open platform concept (including full root rights). RevPi Connect+ is based on the Raspberry Pi Compute Module 3 and features a 1.2 GHz quad-core processor, 1 GB RAM and up to 32 GB eMMC flash memory. A Real Time Clock (RTC) with 24 h buffering ensures that the device always knows what time it is, even in the event of a power failure. A specially modified Raspbian version with a real time patch is available as an operating system. Common IIoT protocols like MQTT and OPC UA are supported to transfer machine data directly to the Cloud.

Individual applications can be programmed via, amongst other things, Node-RED, Python or directly in C. The modular design of the RevPi Connect+ enables the 45 mm wide base device to be fitted with suitable expansion modules such as digital and analog IOs, fieldbus gateways and radio modules like for example ones for Bluetooth. The expansion modules can be joined up ? plug and play ? with the base device via a socket positioned at the top and can be easily configured using a graphical user interface.

powered by Raspberry Pi CM3
2 x USB A / 2 x RJ45 Ethernet / 1 x Micro HDMI / 1 x Micro USB / 1 x RS485

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RevPi Connect+

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Housing dimensions (H x W x D)	96 x 45 x 110.5 mm
Housing type	DIN rail housing (for DIN rail version EN 50022)
Housing material	Polycarbonate
Weight approx.	197 g / 224 g (incl. connectors)
IP Code	IP20
Power supply	12-24 V DC -15%-/ +20%
Max. power consumption	20 Watt (incl. 1 A total USB output current) 1)
Operating temperature	-40 °C....+55 °C 2)
Storage temperature	-40 °C....+85 °C
Humidity (at 40°C)	93% (non-condensing)
Interfaces	2 x USB A (Total current draw from both sockets max. 1 A) 3)
	2 x RJ45 10/100 Ethernet (using separate MAC addresses)
	1 x RS485 screw-type terminal (not galvanically isolated)
	1 x Micro-USB (solely for image transfer to eMMC)
	1 x Micro HDMI
	1 x PiBridge system bus
	1 x ConBridge system bus
Connectors	1 x 4-pole screw-type terminal for relay contact and signal input
	1 x 8-pole spring clamp connector for power supply
Processor	Broadcom BCM2837 quad-core ARM Cortex A53 (ARMv8)
Clock rate	1.2 GHz 2
Processor cooling	Passive with heat sink
RAM	1 GByte
Flash memory	4 GByte or 8 GByte
1)	The average power consumption without USB load varies greatly and depends on the use of the interfaces, the GPU and the CPU. It is usually well below 4 watts without HDMI.
2)	There should be no cutbacks of power at ambient temperatures below 20°C. At 25°C ambient temperature 3 cores may run with full clock speed while with 4 cores the clock frequency is lowered from 1.2 to 1.1 GHz after 10 to 20 minutes of full stress. At 40°C ambient temperature 4 cores under full stress will still work with 1 GHz while stressing just 1 core results in no down clocking. At 50°C ambient temperature 4 fully stressed cores are running at average 0.7 GHz, having short down clockings to 0.6 GHz and short up clockings to 0.9 GHz. 1 core under full stress does result in no down clocking. At 65°C ambient temperature and either 4 or 1 core under full stress results in an “emergency mode” with just 0.4 GHz, after longer periods even 0.3 GHz.
3)	1 A USB output current (total of both USB outputs) is only available for input voltages >11 V. The bridging time of at least 10 ms required by EN 61131-2 is only guaranteed with a 20.4 to 28.8 V power supply. With a 12 V power supply, this time is significantly reduced, especially when power is drawn from the USB ports.