Thingmagic M5e-Compact Bedienungsanleitung PDF herunterladen (Seite 99)

Application Tag Commands

Command Set 99

Write Tag EPC Command Fields

The reader sends a Fault Code / ACK response back to the host.

An example of Write Tag EPC command sequence of events and format is shown next:

1. Starts a timer on the reader.

2. Wakes the tag.

3. Programs the tag with the EPC ID

4. Reads the tag and verifies if the write succeeded.

Note

The verify operation uses the same power level as the write operation. It

does not change to the Read power level.

5. Sends back an ACK if OK or a fault code for timeout or other faults.

Field Value Description

Length [1 byte] Number of bytes in the command following the OpCode.

OpCode 0x23 Write Tag EPC

Time Out [2 bytes] Command timeout in milliseconds.

Select Options [1 byte]

The Options value of the

Tag Singulation Fields

Access Password [4 bytes] The Access Password of the tags expected to be inventoried for the

embedded command, if they are locked. If the tags are not locked

specify 0x00000000.

Note: If operating on locked tags, only tags which meet the Select

criteria and matching passwords will get a successful

execution of the embedded command.

Note: If Select Options=0x00 this field should be omitted.

Tag Singulation Fields

The remaining, fields depending on the value of Select Options.

Tag EPC ID [M bytes]

Up to 496-bit (

depending on EPC Length parameter setting in

et Reader Configuration(9Ah)) tag ID to write to the Tag

FF 00 23 00 00 ?? ??

SOH Length OpCod

Status CRC

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 251 252

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Thingmagic M5e-Compact Bedienungsanleitung Seite 99