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Appendix description firmware – Opticon RFS 6000 User Manual

Page 13

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ET UP MANUAL

RFS 6000

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APPENDIX
DESCRIPTION
FIRMWARE

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B

Firmware Version IBBxxxxx.S2

(xxxxx denotes version, e.g. V0102 = version 1.02 or higher)

Communication parameters:

Baudrate 115200

8 databits, 1 stopbit, no parity bit

Protocol:

Language: ANSI X3.28 standard

Type: select type using SetupRFS program

Return messages:

host can send return messages to RF devices

Description:

With this protocol, the host must always send a response to the RFS6000 when it receives a

message from the RF device. The response may contain useful data relating to the received

message. The host is only allowed to send a message in response to a message from the RF

device.*

To be able to address a specific RF device in the network, a 3-byte header precedes the

message. The length of a message (including the header) is variable, but never exceeds 256

bytes. A message looks like this:

….data ….

For transmission and response the same protocol is used, however the roles of sender and

receiver are reversed. The 3 byte header of the response message must be identical to that of the

corresponding received message.

*

Note: If the application requires special messages to be sent to the RF device that are not initiated by an action of the user,

the RF device could be programmed to regularly send empty messages to ask for these messages.