Products
Release date: June 16, 2026
Serial Server – v6
A new build is available for our Serial Server, with the following changes since v5:
- Remove Mark and Space parity, which is unsupported
The updater is available here.
Release date: June 15, 2026
CS Relay – v109
A new build is available for our CS Relay, with the following changes since v107:
- Avoid “Node missing” errors when having many relay PCBs (>6)
- Avoid repeated back-to-back GFD measurements
The update is available here.
Updating stack PCBs like CS Relay is possible through the stack master’s web interface. Download the binary file above, find the Upgrader page under the Stack tab and select the correct stack PCB from the drop-down. Choose the downloaded binary as the upgrade file, and then start the upgrade process.
Release date: June 12, 2026
Remote IO 1810 – v104
A new build is available for our Remote IO 1810, with the following changes since v103:
- Add support for webapp authentication
- Add configurable counter inactive timeout
- Various minor webapp fixes and improvements
- Upgrade Zephyr to v4.3.0
The updater is available here.
Release date: June 12, 2026
Ethernet Switch – v25
A new build is available for our Ethernet Switch 8-port, with the following changes since v24:
- Add support for webapp authentication
- Ensure stack communication is kept active even with multiple Modbus clients
- Fix LAG behavior to avoid duplicate packets
- Allow real stack nodes to override dummy nodes
- Show current firmware and serial number for stack nodes, not from last node scan
- Never show an invalid stack node as missing
- Fix setting Comm Fail Enabled over Modbus
- Add zip upgrader functionality
- Improve stack upgrading
- Various minor webapp fixes and improvements
- Upgrade Zephyr to v4.3.0
The updater is available here.
Release date: May 28, 2026
Serial Server – v5
A new build is available for our Serial Server, with the following changes since v4:
- Add TCP and UDP client modes
- Minor webapp improvements
- Prevent setting same listen port for multiple TCP servers
- Avoid crash when saving with open TCP connections
- Avoid UDP server sending duplicate data when the configured destination is sending packets to the serial server
- Fix PTP synchronization
The updater is available here.
Release date: May 27, 2026
Pulse Transceiver – v3
A new build is available for our Pulse Transceiver, with the following changes since v2:
- Add status page to the webapp
- Added SNTP client to set wall time
- Fixed various synchronization issues
- Upgrade to Zephyr v4.3.0
The updater is available here.
Release date: March 23, 2026
Ethernet Switch – v24
A new build is available for our Ethernet Switch 8-port, with the following changes since v22:
- Fix temperature readings on revision D – core temperature was shown 50 °C too high
The updater is available here.
Release date: March 4, 2026
Serial Server – v4
A new build is available for our Serial Server, with the following changes since v3:
- Avoid TCP connection starving
- Add support for EIVA ATTU network messages
The updater is available here.
Release date: February 16, 2026
Ethernet Switch – v22
A new build is available for our Ethernet Switch 8-port, with the following changes since v20:
- Fix unstable stack behavior with larger stacks
- Fix VLANs on revision D and later
- Allow faster Modbus response rate
The updater is available here.
Release date: February 10, 2026
CS Relay – v107
A new build is available for our CS Relay, with the following changes since v106:
- Fix AC current measurement being wrong due to aliasing
- Bump to Zephyr v4.3.0
The update is available here.
Updating stack PCBs like CS Relay is possible through the stack master’s web interface. Download the binary file above, find the Upgrader page under the Stack tab and select the correct stack PCB from the drop-down. Choose the downloaded binary as the upgrade file, and then start the upgrade process.
Note: This release is compatible only with revision M of CS Relay.