Operating Instructions
IDM corded & IDM Bluetooth
 
 
© SICK AG · Germany · All rights reserved · Subject to change without notice 
 
3.5  Serial Interface Control 
3.5.1  Suffix, Preamble, Postamble  
 
 
     
Family Code Selection  P.C.  Parameter Selection  Option Code 
STX/ ETX Control 
 
SS  Disable STX/ETX transmission   0 
SS  Enable STX/ETX transmission  1 
  STX/ETX are two characters used to indicate the starting and 
ending of the total data frame transmitted via serial 
interface. 
 
Record Suffix 
SS  None  0 
 
 
 
SS  CR (0DH)   1 
SS  LF (0AH)  2 
SS  CRLF (0D0AH)  3 
SS  TAB (09H)  4 
SS  SPACE (20H)  5 
Preamble 
 
SS  None   FIN 
MS  1-15 characters  [00-7F], FIN 
  Maximum 15-character input; scan “FIN” to terminate this 
selection. 
 
Postamble 
 
 
SS  None   FIN 
MS  1-15 characters  [00-7F], FIN 
  Maximum 15-character input; scan “FIN” to terminate this 
selection. 
 
FNC1 Symbol Char. 
Transmit 
 
 
 
SS  Disable   0 
SS  Enable   1 
  When this function is enabled and the FNC1 is contained in 
scanned data, the scanner transmits the FNC1 to the host. A 
chart of the FNC1 is provided in the Appendix – Keyboard 
Function Code Table. When the scanner interface is set to 
keyboard, the scanned code is converted to corresponding 
key function before it is transmitted. 
 
 
Serial Interface Message String (RS-232, USB COM) 
 
STX  Preamble 
Postamble  ETX 
1 
character 
1-15 
characters 
2-4 
digits 
1 or 3 
characters 
Variable 
length 
1 or 3 
characters 
1-15 
characters 
1 
character 
1 
character