Hatteland JH 19T01 MIL User Manual page 5

Contents
Appendixes ............................................................................. 61
Serial Communication (SCOM) Interface ......................................... 62
Installation in display ....................................................................62
Connectorization ..........................................................................62
Address ........................................................................................62
Comm settings #1 (before Jan 2005 - pre-HW01 models) ...........63
Comm settings #2 (after Jan 2005 - HW01 models) ....................64
JH SCOM A1 & C1 Control Interface ...........................................65
Interface configuration ..................................................................65
Brightness Control Operation .......................................................65
Electrical Interface ........................................................................65
Cable ............................................................................................65
Block Diagram ..............................................................................66
Connectorization at Display .........................................................67
Data Rate .....................................................................................68
Data Format .................................................................................68
Message Format ..........................................................................68
Attention (ATTN) ...........................................................................68
Address (ADDR) ..........................................................................68
Command (CMD) .........................................................................68
Data Length (LEN) .......................................................................69
Inverse Header Checksum (IHCHK) ............................................69
Data Field (DATA) ........................................................................69
Inverse Data Checksum (IDCHK) ................................................69
Message Commands ...................................................................69
Brightness Command "BRT" ........................................................69
Manufacturer ID "MAN" ................................................................70
Potentiometer control "POT" ........................................................71
Display control command "MCC" .................................................71
Display Type/Model Number "TYP" .............................................72
Initial and Default Display Conditions ...........................................72
Serial Message Failure ................................................................72
Periodic Messages .......................................................................72
Fault Detection and Power Interruption Recovery .......................72
Response Time ............................................................................72
Individually Addressed Command Response ...............................73
IND100130-6
5
INB100005-3 (Rev 9)