Defined Responses (Slave To Master); Simple Acknowledge; Acknowledge With Data; Failure - Ametek 5830 User Manual

Defined Responses (Slave to Master)

There are three (3) possible responses to a communication transfer initiated by
the master. These are a Simple Acknowledge, Acknowledge with Data, and a
Failure message.

Simple Acknowledge

If the received command does not require data to be returned, a simple ac-
knowledge consisting of an ASCII 'A' will be sent.
Example:
Slave:

Acknowledge with Data

If a command issued by the master requires data in response, an Acknowledge
with Data response will be issued. This response consists of an ACSII 'A' fol-
lowed by data and checksum.
Example:
Slave:

Failure

All failure responses consist of an ASCII 'N' followed by a two-byte hexadecimal
ASCII failure code. Defined failure codes are given in the table below.
Example:
Slave:
Figure 2-21.
Defined Failure Codes.
PN 583054901, Rev YA
A[CR]
A0123456A6[CR]
N01[CR]
Failure Code Description
0 Unknown Command Byte
02 Check Sum
05 Parameter Out of Range
Installation and Start-Up
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