Microscan MS-4 - Chapter 3 Communications

MS-4 Imager User’s Manual 3-1
3 Communications
Contents
This section explains how to set up communications between the Imager and a host.
With Microscan’s ESP (Easy Setup Program), configuration changes can be made in the
ESP menus and then sent and saved to your Imager. The user can also send serial
commands to the Imager via ESP’s Terminal window.
Communications by ESP .............................................................................................................. 3-2
Communications Serial Commands..............................................................................................3-3
Host Port Connections..................................................................................................................3-4
Host Port Protocol.........................................................................................................................3-5
ACK/NAK Options.........................................................................................................................3-7
Polling Mode Options....................................................................................................................3-8
RS-422 Status...............................................................................................................................3-9
Auxiliary Port Connections..........................................................................................................3-10
Auxiliary Port System Data Status..............................................................................................3-18
Daisy Chain Autoconfigure .........................................................................................................3-19
Response Timeout......................................................................................................................3-20
LRC Status..................................................................................................................................3-21
Protocol Configuration Examples................................................................................................3-22
USB HID Interface ......................................................................................................................3-23
ASCII Character Entry Modifier...................................................................................................3-32
Preamble.....................................................................................................................................3-33
Postamble...................................................................................................................................3-34