RTA 460ESDFM-NNA1, Руководство пользователя

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Real Time Automation, Inc. 30 1-800-249-1612
DF1 Master Configuration
Click the DF1 Master button to access the configuration page.
1) Serial Port : Select which serial port is being used for communication. This port must be
configured on the Port Configuration page. If it has not yet been configured, it will display
Disabled after the port descriptions in this dropdown.
2) Source ID : Enter the Source Station ID for the gateway acting as the DF1 master device.
3) Protocol Mode : Select the DF1 Protocol Mode: Half-Duplex or Full-Duplex.
4) Frame Verification : Select the DF1 Frame Verification: CRC (16-bit) or BCC (8-bit). All DF1 slaves
need to match this selection
5) Delay Between Messages : Enter the length of time to delay between read and write scan line
requests (ms).
6) ACK Timeout : Enter the amount of time to wait for the DF1 acknowledgement message before
flagging a timeout (ms).
7) Receive Timeout : Enter the amount of time the gateway should wait before a timeout is issued
for a read/write request (ms).
8) Number of Retries : Enter the number of times the gateway will re-send messages before
logging a timeout error and moving onto the next message.
9) Dependency Protocol : If enabled, DF1 master communication will stop if communication to the
selected protocol is lost.