Port 2 (USB)
Interface: USB 1.1 Compliant Port capable of emulating RS232 communications via royalty free PC driver.
Protocol/Services: Modbus (Slave), Proprietary (Binary)
Connection: There is a USB Type B connector (see graphic).
Automatic selection of USB is provided when a signal is detected on the USB Type B connector.
Port 3 (CAN)
Protocol/Services: Proprietary (Binary)
Connection: There are three (3) screw terminal connectors for CAN. These are identified as HI, LOW, and SHD.
On
Located next to the USB connector is the CAN OK (COP). When in the boot loader the COP LED does not flash.
When the program is running properly the COP LED will flash on and off every 0.5 seconds.
If the checksum in the configuration file does not match the calculated checksum of the file, then the program will flash the COP LED 3 times at 0.5 second intervals and then stay off for 1.5 seconds.
On the
When the program is running properly the COP LED will flash on and off every 0.5 seconds.
7.2 Downloading Configurations and Firmware Updates
Users will need to download configurations from the controller, as well as be able to receive occasional firmware version updates from Murphy.
7.2.1 Boot Loader
It is necessary for the Centurion controller to enter boot loader mode in order to receive downloads for a firmware update, and if configuration between the devices needs to be synchronized. During boot loader mode the Centurion is able to transmit and receive configuration updates to and from the MConfigPro software and transmit configuration updates to
Communications will operate according to default state parameters for configuration transfers. During boot loader mode, the transfer rate is 9600, N, 8, 1 and assumes a serial communication port setting of RS485 or a USB connection.
Due to the Modbus strings of code, the controller recognizes whether the bootloader is for a configuration, or firmware update.
In order for the Centurion configurable controller to enter boot loader mode, the jumpers are removed during power up (power cycled). The
Power on the Centurion must be cycled with the jumper installed to resume normal operation, or run mode.
7.2.2 Downloading Configurations Via
C
TM
CONFIRATION DOWNLOAD
COM 1 | CONFIG DOWNLOAD | ▼ |
COM 2 | CONFIG DOWNLOAD |
|
USB CONFIG DOWNLOAD |
| |
FIRMWARE DOWNLOAD |
| |
___________________________________
NO ▼
___________________________________
▼▲
Download Only Screen
All configuration downloads will use a baud rate of 9600. The Com 1 selection will use the hardware setup of the current configuration. The Com 2 selection is a fixed hardware setup for RS485. Selecting USB for configuration download con- nects the USB adapter to Com 2 internally.
All normal communication with the controller is stopped while in download mode.
The display will indicate the transfer is complete by displaying 100%.
Special 35 Jump Code
In the case that no configuration has been downloaded, or a password has been lost,
The password is set to a fixed value of 35.