Communicating With An External Device; Basic Control Operations Of The Code Reader - Omron V460-H Communications Manual

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Communicating with an External De-
vice
This section gives the communications specifications, describes the control methods that you can use
for communications, and describes the settings that are required before starting communications with
an external device.
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Basic Control Operations of the Code Reader

The following figure shows basic communications between an external device and the code reader
and the flow of signals and data.
V460-H Handheld
DPM Reader
The following methods can be used to exchange data between an external device and the code read-
er.
Type
Control Com-
mands
Type
Status Signals
Read Character String Output
Additional Information
V460-H Industrial Handheld DPM Reader Communication Manual (Z462-E1)
The reading results are output.
- Status signals
- Read character string output
- Additional information
(read time, counters, etc.)
Commands that can be input to the code reader from an external device
Communication Various commands can be executed, such as a Read commands (trig-
Command Input ger), enable matchcode, clear counters.
The communication commands differ depending on the communications
protocol that you use.
Data output from the code reader to an external device
When the code reader confirms the input of a control signal or communi-
cation command and starts the reading process, it notifies the external
device of its status (by signals such as InReadCycle, etc.) and its judge-
ment with the OK/NG Judgment signal.
You can output the character string read from barcodes, or 2D Codes
Additional data such as read time and code position coordinates can be
output.
For items appended to the output, they must be setup in advance in We-
bLink's advanced settings menu.
1 Communication Specifications Overview
PLC
Description
Description
1
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