Message Composer

Create valid DLT645-2007 protocol messages with guided configuration and real-time validation.

Meter Address

reversed BCD address appears below

00 00 00 00 00 00

Operation Type

Read Data

Read data from meter (requires DI)

0x11

Write Data

Write data to meter (requires DI)

0x14

Read Address

No DI required

0x13

Write Address

No DI required

0x15

Time Sync

No DI required

0x08

Switch Relay

No DI required

0x1C

Advanced Settings

Frame Start

Frame End

Preamble (0xFE count)

Not included in checksum; default 4

Data Identifier

No results

Select a DI item from “—”.

Data Payload

Length: 0 bytes

BCD Format

Auto Convert to Little Endian

Format Helpers

✕Address format invalid

✓Control code valid

!Data length auto-calculated

✓Payload format correct