ECR Interface
Instructions for Setting the RS-232 Port
If you have Purchased your PC-100 scale with the RS-232 kit you will be
Able to interface you scale to a PC or virtually any ECR(Electronic Cash
Register) if you do not have this Feature or aren’t sure. Please contact
your local ACOM Authorizes Dealer to assist you. The following page will
explain the RS-232setup.
Type Setting:
The PC-100 communicates using the following protocol: 9600 Baud, Even
Parity, 7 Data, and 1 Stop Bit. This is fixed and cannot be changed How
ever, there are different request codes and response data that can be
selected. The following explains how set the different Type Settings.
1. Turn the scale OFF
2. Press and hold down the * key while you turn the scale ON
3. Release the * key ones you hear the scale beep
4. You will see a value in the Unit Price display. You may change this
value according to the chart below.
5. Once you are done setting the value, press the * key
Basic Description Type
Setting
Disable RS-232 Port 00
NCI General Interface (Most P.O.S. Systems) 01
NCI ECR Interface (Most Cash Registers) 02
Toledo 8213 (Many Cash Register) 03
Stream Mode 10
Hand Shake Mode 20
See next page for Cash Register and personal computer model cross
reference chart. You will find that the PC-100 scale will interface to the
most popular makes and models.
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