Omron E5AN - Page 14

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SECTION 4
SYSWAY (E5@J and E5@X Format) Communications Procedures
4.1 Data Format ............................................................................................... 4-2
Command Frame Format .................................................................... 4-2
Response Frame ................................................................................ 4-3
Communications Data ......................................................................... 4-3
SYSWAY Command Lists ................................................................... 4-4
4.2 Command Descriptions .............................................................................. 4-5
Read Process Value ........................................................................... 4-5
Write Set Values ................................................................................. 4-6
Read Set Values and MV Monitor ....................................................... 4-7
Select Communications Writing .......................................................... 4-9
SECTION 5
Modbus Communications Procedure
5.1 Data Format ............................................................................................... 5-2
Command Frame ................................................................................ 5-2
Response Frame ................................................................................ 5-4
Error Codes ......................................................................................... 5-5
5.2 Function List ............................................................................................... 5-6
5.3 Variable Area .............................................................................................. 5-7
5.4 Detailed Description of the Services .......................................................... 5-9
Variable Read, Multiple ....................................................................... 5-9
Variable Write, Multiple ..................................................................... 5-11
Variable Write, Single/Operation Command ..................................... 5-14
Echoback Test .................................................................................. 5-20
SECTION 6
Communications Data for Modbus
6.1 Variable Area (Setting Range) List ............................................................. 6-2
6.2 Status and status 2 .................................................................................. 6-17
Status Structure ................................................................................ 6-17
Status 2 Structure ............................................................................. 6-19
Status Details .................................................................................... 6-20
Status 2 Details ................................................................................. 6-21
Appendix
ASCII List .............................................................................................................A-2
Troubleshooting ....................................................................................................A-3
Index ..............................................................................................................................I-1
Revision History ........................................................................................................... R-1