Cino FA470 User Manual Page 238

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Command Descriptions
2-223
Get Record Count
(WF)
Descriptions
Request the total record count of Batch Mode
Available for F & L series
Packet Format
Prefix Opcode Status Length
Parameter(s) LRC Suffix
7Eh
D6h 00h 03h
00h 00h 00h
<Null> D5h 7Eh
1 Byte 3 Bytes 1 Byte 2 Bytes
0 Byte 1 Byte 1 Byte
. Host Requirements
If the device successfully received the above command issued by the host, the device will pack all
requested parameters into a “Reply Record Count” message string then send to the host. Please refer
to the Reply Record Countcommand for details. Otherwise, a Device NAK will be sent to host to
indicate issue a command error. However, if the host can receive any response from the device within
the user preset time-out duration, please resend the above command.
. Parameter(s) Field
Get Device Status can request multiple parameters at one time, so it takes compound parameters.
. Length
Total size (bytes) of the Parameter(s) field
. LRC
”Opcode” XOR “Status” XOR “Length” XOR “Parameter(s)”
. Size
Total size (bytes) of the Options field
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