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Power up clear (command 'a') – Pressure Systems 98RK-1 User Manual

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Pressure Systems, Inc. 98RK-1 & 9816 User’s Manual©

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POWER UP CLEAR (Command 'A')


Purpose:

This command has no internal module affect. It is used as a simple

method to verify proper communications to the 9816 scanner.

Command

A

‘A’ is the command letter

Response

A

‘A’ is the acknowledge letter



Description: The Ethernet Model 9816 does not return a ‘Power-Up Clear Expected’ error (as

did early 901x modules without Ethernet interface). This is due to the reset

notification mechanisms that are part of the TCP/IP protocol. It is generally used

as a simple ‘NOP’ mechanism to verify proper communications with a module.


Example:

Send TCP/IP command to Model 9816 module

(via its open socket) to acknowledge

module power on:


"A"


Read following response:


"A"

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