Tag Archives: ccn

CCN Gateway Changelog

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Download&Extract the zip file, there are 2 firmware files inside it, one is for BACnet version, another is for Modbus version.

For CCN Gateway with firmware version prior to v3.00, please go to the bottom of page.

3.07  2025.06.06  Download

Carrier has a localized air cooled heat pump serial in Chinese market.  30RQVHS is one of the model. We found its A1/B1 terminals talks CCN and Modbus RTU slave at the same time. Its CCN timing is a bit different to other chillers. The central control panel writes to its SERVICE table to control it.

This version modifies CCN timing to be compatible with it, and supports CONFIG and SERVICE tables.

3.06  2025.04.10  Download

Fix bug that “IP Router” setting will be lost after reboot.

3.05  2025.02.26  Download

Fix bug that may crash the daemon when there is collision on the CCN bus.

Updates BACnet ms/tp driver from BACRouter 6.09

2.26  Download

CCN Gateway changelog

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2.9 2017.5.30

Add Compatibility to a strange 30RQ chiller.

Remove feature introduced by 2.2 (Release forced point when initialization).

2.8 2016.10.26

Buffer overflow while convert Unicode string to utf8.

2.7 2016.10.3

WebUI use basic authorization method.

WebUI table index overflow (Thanks to Nitin)

2.6 2016.9.13

WebUi show Ethernet address.

2.5 2016.9.13

Discard character out of 0-9, a-z, A-Z in string.

2.4 2016.8.26

Selectable 0.001，0.01，0.1，10，100，1000 multiply mapping

BACnet version merge bugfixs from BACnet Router firmware.

2.3 2016.8.16

Low level api changed, prepare for future product

Bug introduced in 2.1 is fixed: continuous error after communication fail.

2.2 2016.8.12

When initialize device, if point is forced by high priority, release it.

2.1  2016.8.10

Firmware filename has version and crc.

Show version on left tree menu.

Auto refresh page after reboot or firmware upgrade .

Other ui bugfixs.