Table of Contents 
 
1.  Related Manuals ........................................................................................ 1 
2.  Terms and Definitions ............................................................................... 2 
3.  Precautions ................................................................................................ 3 
4.  Overview .................................................................................................... 4 
5.  Applicable Devices and Device Configuration ....................................... 5 
5.1.  Applicable Devices ............................................................................. 5 
5.2.  Device Configuration .......................................................................... 6 
6.  Serial Communications Settings ............................................................. 8 
6.1.  Parameters ........................................................................................ 8 
6.2.  Cable Wiring ...................................................................................... 9 
7.  Serial Communications Connection Procedure ................................... 10 
7.1.  Work Flow ........................................................................................ 10 
7.2.  Sensor Controller Setup ................................................................... 12 
7.3.  PLC Setup ........................................................................................ 20 
7.4.  Serial Communication Status Check ................................................ 39 
8.  Initialization method ................................................................................ 47 
8.1.  Initializing PLC ................................................................................. 47 
8.1.  Initializing Sensor Controller ............................................................ 48 
9.  Program .................................................................................................... 49 
9.1.  Overview .......................................................................................... 49 
9.2.  Communications Sequence ............................................................. 54 
9.3.  Error Detection Processing .............................................................. 56 
9.4.  Memory Maps .................................................................................. 57 
9.5.  Ladder Program ............................................................................... 60 
9.6.  Protocol Macro Data ........................................................................ 66 
9.7.  Timing Chart ..................................................................................... 75 
9.8.  Error processing ............................................................................... 76 
10.  Revision History .................................................................................. 77