Microscan MS-4X User Manual download pdf (Page 111)

MS-4X Imager User Manual

5-15

Read Cycle

End of Read Cycle

End of Read Cycle Mode

Note: When operating in Continuous Read or Continuous Read 1 Output, the imager is

always in the read cycle.

Timeout

Definition: The read cycle is the time during which the imager will attempt to capture

and decode a symbol. A read cycle can be ended by a timeout, a new

trigger, or by the last frame in a capture sequence or a combination of the

above.

Serial Cmd: <K220,end of read cycle,read cycle timeout>

Default: Timeout

Options: 0 = Timeout

1 = New Trigger

2 = Timeout or new Trigger

3 = Last Frame

4 = Last Frame or New Trigger

Usage: Typically used with Serial Data or External Edge and Continuous Read

1 Output.

It is effective in highly controlled applications when the maximum length of

time between objects can be predicted. It assures that a read cycle ends

before the next symbol appears, giving the system extra time to decode

and transmit the data to the host.

Definition: Timeout ends the read cycle, causing the reader to stop reading symbols

and send the symbol data or No Read message when the time set in

Timeout

elapses (times out), if When to Output is set to End of Read Cycle.

If in Continuous Read 1 Output, a timeout initiates a new read cycle and

allows the same symbol to be read again.

With External Edge, Serial Data, or Serial Data or External Edge

enabled, a timeout ends the read cycle and symbol data or a No Read

message is sent to the host.

With External Level enabled, the read cycle does not end until the falling

edge trigger occurs or a timeout occurs. The next read cycle does not begin

until the next rising edge trigger.

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Microscan MS-4X User Manual Page 111