Good news everyone! But no, it is not yet the RevPi 4 but the RevPi S/SE-series.

Today we are happy to present you the newest members of our Revolution Pi family: The S and SE series, based on the brand-new Raspberry Pi Compute Module 4S. The series are an intermediate step between the 3+ series and the RevPi 4 series. In the following paragraphs, we will explain why this is necessary, the technical details and why Revolution Pis with the Compute Module 4 are not available yet.

As you know, the Revolution Pi family was not spared from the global chip shortage. In the last months we had to put many customers and people interested in RevPis off. This was mainly due to the supply of compute modules, which could not be delivered sufficiently.

The Raspberry Pi organization has therefore offered us a special alternative to the Compute Module 3+: The Compute Module 4S. This is a Compute Module in the form factor of the CM3+, on which the more powerful Arm Cortex-A72 processor of the CM4 is installed.

The following modules will be available as S/SE series: RevPi Core, RevPi Connect and RevPi Flat.

Graphic illustrating the differences between the Raspberry Pi Compute Modules
The key differences between the Raspberry Pi CM3+ and the CM4S.

What is the difference between the S-series and the SE-series?

The difference between the S and SE series is quickly explained: The S series is compatible with all expansion modules including our fieldbus gateways. The SE series can only be extended by IO modules and in case of the RevPi Connect by Con modules. Fieldbus gateways are not supported in the SE series.

What was the reason for developing two series?

This alteration is also based on the global chip shortage: The required IC, which is responsible for the connection of the gateways via PiBridge, is currently not available for us in adequate quantities. As we see from the sales figures, many RevPi users operate their devices without gateways: Therefore, we have decided to launch the SE series in order to make sure that we can build enough devices for every customer requirements.

Is there anything to consider when upgrading from the previous devices to the S or SE series?

Customers who switch from devices with the CM3/3+ to RevPis with the CM4S must note an important change. The new CPU of the Compute Module 4S is only supported with the kernel 5.10. Customers using their own image or a KUNBUS image with an older kernel must update the kernel. To learn more about how to do this, click here.

Graphic illustrating the differences between the RevPi S-series and the RevPi SE-series
Difference S-series to SE-series at the example of a RevPi Core S / SE base module

RevPi 3/3+, 4 and S/SE: When can what be delivered?

The first units of our S and SE series will be shipped at the end of April. We offer customers with open orders the S or SE series as an alternative to their original order. We will contact these customers and supply them as first priority. Based on the number of open orders, newly ordered equipment is expected to be delivered as of July 2022.

Our Revolution Pi base modules with Compute Modules 3 or 3+ will remain in the portfolio. We hope that the delivery situation of the Compute Modules 3/3+ will improve in the next few months.

As for the Revolution Pi 4, the chip shortage still has us fully in its grip. Currently, we are planning to launch an initial series at the end of Q4 2022. However, we can only hope and can’t make promises, even if our purchasing department gives everything to supply production with sufficient parts.
ArticleArticle number
RevPi Connect S 8 GB100362
RevPi Connect S 16 GB100363
RevPi Connect S 32 GB100364
RevPi Connect SE 8 GB100368
RevPi Connect SE 16 GB100369
RevPi Connect SE 32 GB100370
RevPi Core S 8 GB100359
RevPi Core S 16 GB100360
RevPi Core S 32 GB100361
RevPi Core SE 8 GB100365
RevPi Core SE 16 GB100366
RevPi Core SE 32 GB100367
RevPi Core Flat S 8 GB100371
Specifications
ProcessorBroadcom BCM2711, quad-core Arm Cortex-A72
Clock rate1,5 GHz
RAM1 GB LPDDR4
Flash memory(eMMC)8 GB – 32 GB
Power supply12 – 24 V DC  -15 % / +20 %
Size (L x W x H)111 x 45 x 96 mm
Operating temperature-25 °C…+55 °C
Storage temperature-40 °C…+85 °C
Humidity93 % (non-condensing)
Protection classIP20
ESD protection4 kV / 8 kV
EMI testsPassed (according to EN 61131-2 and IEC 61000-6-2)
Surge / Burst testsPassed (according to EN 61131-2 and IEC 61000-6-2)
ConformityCE, RoHS
UL certifiedYes, UL-File-No. E494534