Datalogic AV500, Product Reference Manual

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COMMUNICATIONS
PRODUCT REFERENCE GUIDE
145
Conditional: The Heartbeat message is transmitted only when there is no communication.
Timeout
Enter a time value in seconds to define the amount of time between two message
transmissions. If the input timeout expires and no transmission has occurred, the Heartbeat
message will be transmitted.
Header
Click to activate the “The Text Entry Tool” on page 84 and create heartbeat header text to
signal the beginning of the heartbeat message. Characters from NUL (00H) to ~ (7EH) can be
used.
Terminator
Click to activate the “The Text Entry Tool” on page 84 and create Terminator text to signal
the end of the heartbeat message. Characters from NUL (00H) to ~ (7EH) can be used.
Counter Modulus
Select Disable, 10, 100, 1000, 10000 or Custom from the drop ‐ down list.
This parameter enables a counter to track the number of Heartbeat messages.
•Disable No counter field in the Heartbeat message
•10 Counts cyclically from 0 to 9
•100 Counts cyclically from 0 to 99
•1000 Counts cyclically from 0 to 999
•10000 Counts cyclically from 0 to 9999
•Custom Allows defining a custom counter start/stop range from 0 to 10000.
Counter Starting Value
Enter a counter start value in the field provided.
For the Custom Counter Module this parameter selects the starting counter value.
Selections: a number from 0 to 9999
Counter Direction
Select Up or Down from the drop ‐ down list to set the counter direction.
Diagnostic Message
Select the check box to include a diagnostic field in the heartbeat message.
Separator
Click to activate the “The Text Entry Tool” on page 84 and create a separator character(s)
to set the Diagnostic Message apart from the heartbeat message.
Device Select
Select the device from the drop ‐ down for which you are setting a transport. The Device Select
option is only available when the "
Use Global Configuration
" option is NOT selected.
Disable
Proceed to Protocol Index Settings.
Standard
Proceed to Protocol Index Settings.
Advanced
Advanced Formatter Index
Select 1 ‐ 5 from the drop ‐ down. When the Advance Option is selected the cameras will use
Header and terminator must match the external product or the AV500 will not recognize
the message.