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Message data, Data for a read command – Watlow CLS200, MLS300 and CAS200 User Manual

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14 Communications Specification

Chapter 1: ANAFAZE/AB Protocol

Here’s a picture of the controller’s reply:

Then the host software sends a DLE-ACK:

Message Data

Some messages contain data. What the data is and how much depends
on the command used and the purpose of the message.

Data for a Read Command

For a block read command, the data block consists of one byte that
indicates the number of bytes to read (up to 244 bytes of data). The
controller sends back a packet with a data block that contains the
requested bytes.

x10 02 00 08 48 00 00 00 10 03 B0

DLE

STX

Destination device address

Source device address

Command (block write)

Status (00 = Nothing to report)

Transaction number LSB/MSB

DLE

ETX

BCC value

x10 06

ACK

DLE