Dantherm CC 3000, Руководство по обслуживанию

Страница: 33 / 40

33
Service : Firmware, datalog & communication
Service
Firmware, datalog & communication
If SD card contains a firmware upgrade file, it will automatically be uploaded to the controller,
when the SD card is inserted. The controller will then upgrade firmware and reboot.
• NB: Display will show status during firmware upgrade.
If operational data log is required, an SD card must be present in the memory (SD) card slot
(see “Fig. 1” on page 7). CC3000 will automatically generate a log file named stat_log.txt
(CSV file that can be imported to excel).
Default log interval is set to 1 minute. (log interval can be changed in configuration file)
SD Card specifications:
•
The controller supports SD card of size 1/2/4/8/16/32GB.
• The card must be formatted in FAT/FAT32.
The J6 connection / TTL link (see “Fig. 1” on page 7) is to be used with a standard USB to
TTL cable.
Use TTL link for following purposes:
•
Reading out system status information
• Changing configuration and settings
• Override function to verify correct connection of system components like free cooling
unit, dampers, sensors etc.
(All configuration overrides are password protected)
Connect to TTL link in this way:
Step Action
1 Connect the serial cable between host and controller.
NB:
The TTL cable connector black wire must point downwards when inserted into
TTL link.
2 Start up a ”Terminal” application in the host PC with following serial ports settings:
•
baud rate - 9600
• data bits - 8
• parity - none
• stop bits - 1
• flow control - none.
3 Now the controller is ready to be accessed.
Specifications:
•
The TTL link is isolated galvanically.
• TTL cable type : TTL-232R-3V3 or TTL-232R-5V
• Link: http://www.ftdichip.com/Products/Cables/USBTTLSerial.htm
• Terminal type: AMP 281698-6
Pin J .6
TTL link
1 GND
2 NC
3 +5 V input
4 TXD
5 RXD
6 NC
Software update
Data log
TTL link
en