• Subject: Re: Interfacing with a scale
  • From: pault@xxxxxxxxx (Paul Tykodi)
  • Date: Wed, 14 Jan 1998 15:19:57 -0500

Marc Zylka wrote:

Has anyone created an interface with a scale?  I need
to read data which a scale is sending from the AS/400.
How is this typically done?

Marc Zylka (mzylka@netpath.net)
Dear Marc,

I have seen two different types of implementations that worked well with the 
AS/400. The scales I have seen were always serially (RS-232) connected.

1. The scale is used with a 5250 Display Scenario - This implementation works 
with 5250 terminals that offer a serial port as well as PC's with 5250 
emulation software loaded on them. The scale is connected to the device which 
is displaying the AS/400 data. The terminal operator reaches the field on the 
screen where the scale information is required. Either by striking a particular 
key on the keyboard or by simply placing an item on the scale, the 5250 device 
understands that it should look to its serial port to receive the input 
information needed for the field where the cursor is currently active.
2. The scale has no direct link to the AS/400 Scenario - I have also seen 
scales attached to PC's that are used to determine weights for items which are 
entered into a database file on the PC or on a LAN. The database file is then 
uploaded to the AS/400 at certain intervals during the processing day.


Paul Tykodi, Technical Director                 E-mail: pault@praim.com
Praim Inc.                                           Tel: 603-431-0606
140 Congress St., #2                                Fax: 603-436-6432
Portsmouth, NH  03801-4019

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