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
36 LRP75 Long Range Passive Reader/Writer
The timeout value is given in 1 msec increments and can have a value 
of 1EH to FFFEH (65,534 ms). When the timeout is set to 0, the 
LRP75 will return a syntax error.
Field Description
Header <STX><STX>
Command Size Packet length in bytes, excluding the header, 
command size, checksum and terminator bytes. 
Command 04H
Start Address 2-byte value for the tag address where the fill will 
start
Fill Length 2-byte value for the number of tag addresses to be 
filled
Timeout 2-byte timeout value given in 1 ms units (1EH - 
FFFEH)
Data Value Byte The byte to be used as fill
Checksum optional checksum
Message 
Te r mi n at o r
FFFFH










