User Manual
Table Of Contents
- LRP75 Long Range Passive Reader/Writer
- Table of Contents
 - Getting Started
 - Mechanical Specifications
 - Power and Electrical Interface
 - Configuration Menu
 - Standard RFID Interface
- 5.1 Introduction
 - 5.2 Command Timeout Values
 - 5.3 Address Blocks
 - 5.4 ABx Error Codes
 - 5.5 Command Descriptions
 - 5.6 ABx Standard Commands
- 5.6.1 Command 4 (04 Hex): Tag Fill
 - 5.6.2 Command 5 (05 Hex): Block Read
 - 5.6.3 Command 6 (06 Hex): Block Write
 - 5.6.4 Command 7 (07H): Read Tag Serial Number
 - 5.6.5 Command 8 (08 Hex): Tag Search
 - 5.6.6 Command D (0D Hex): Start/Stop Continuous Block Read
 - 5.6.7 Command E (0EH) Read SN and Data
 - 5.6.8 Command F (0FH) Start/Stop Continuous Read SN and Data
 
 - 5.7 ABx Fast Commands
- 5.7.1 ABx Command Packet Structure
 - 5.7.2 Command 4 (04 Hex): Tag Fill
 - 5.7.3 Command 5 (05 Hex): Block Read
 - 5.7.4 Command 6 (06 Hex): Block Write
 - 5.7.5 Command 7 (07H): Read Tag Serial Number
 - 5.7.6 Command 8 (08 Hex): Tag Search
 - 5.7.7 Command D (0D Hex): Start/Stop Continuous Block Read
 - 5.7.8 Command E (0EH) Read SN and Data
 - 5.7.9 Command F (0FH) Start/Stop Continuous Read SN and Data
 
 
 - Technical Specifications
 - LRP75 Beta Connections
 - Models and Accessories
 - ASCII Chart
 
 
Standard RFID Interface
42 LRP75 Long Range Passive Reader/Writer
5.7.5 Command 7 (07H): Read Tag Serial Number
DESCRIPTION
This command retrieves the 8-byte tag serial number. 
DISCUSSION
Each LRP tag has an unique serial number. This number can not be 
changed and is not part of the 48 available data bytes. The tag serial 
number will be return in the LSB only with the MSB as 00H. The 
timeout value is given in 1 msec increments and can have a value of 
1EH to FFFEH.
Field Description
Header <STX><STX>
Command Size Packet length in bytes, excluding the header, 
command size, checksum and terminator bytes. 
Command 07H
Timeout 2-byte timeout value given in 1 ms units (1EH - 
FFFEH)
Checksum optional checksum
Message 
Te r mi n at o r
FFFFH










