Plain English

Writes data to the EPC (Electronic Product Code) memory bank of a UHF RFID tag. The EPC is the main identifier stored on the tag — it's what gets read when an RFID reader scans the label. This is the core command for RFID-enabled labels.

When to use

Whenever you're printing RFID labels and need to encode the tag. Used in retail, logistics, inventory management, and supply chain applications.

Syntax

ESC+IP0,params,data

Parameters

ParameterDescription
formatData format: hex or ASCII
lengthData length in bytes
dataThe EPC data to write to the tag

Example

ESC+A
ESC+H0100
ESC+V0050
ESC+X22RFID Label
ESC+IP0,1,12,300833B2DDD9014000000001
ESC+Q1
ESC+Z

Print a label and write a 96-bit EPC to the RFID tag

Try it in the playground View all SBPL commands