Omron E5 D Series, Communications Manual

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15 E5@D Digital Temperature Controllers Communications Manual (H225)
2-3 Detailed Description of the Services ..................................................................................... 2-8
2-3-1 Read Variable Area .................................................................................................................... 2-8
2-3-2 Write Variable Area..................................................................................................................... 2-9
2-3-3 Composite Read from Variable Area ........................................................................................ 2-11
2-3-4 Composite Write to Variable Area ............................................................................................ 2-12
2-3-5 Read Controller Attributes ........................................................................................................ 2-13
2-3-6 Read Controller Status ............................................................................................................. 2-14
2-3-7 Echoback Test .......................................................................................................................... 2-15
2-3-8 Operation Command ................................................................................................................ 2-16
2-4 Response Code List .............................................................................................................. 2-22
Section 3 Communications Data for CompoWay/F
3-1 Variable Area (Setting Range) List......................................................................................... 3-2
3-2 Status 1 and Status 2 ............................................................................................................ 3-21
Section 4 Modbus Communications Procedure
4-1 Data Format.............................................................................................................................. 4-2
4-1-1 Command Frame........................................................................................................................ 4-2
4-1-2 Response Frame ........................................................................................................................ 4-4
4-1-3 Error Codes ................................................................................................................................ 4-5
4-2 Function List ............................................................................................................................ 4-6
4-3 Variable Area............................................................................................................................ 4-7
4-4 Detailed Description of the Functions................................................................................... 4-8
4-4-1 Variable Read, Multiple............................................................................................................... 4-8
4-4-2 Variable Write, Multiple............................................................................................................. 4-10
4-4-3 Variable Write, Single/Operation Command............................................................................. 4-12
4-4-4 Echoback Test .......................................................................................................................... 4-15
4-5 Upload Settings and Download Settings for Modbus Communications.......................... 4-16
Section 5 Communications Data for Modbus
5-1 Variable Area (Setting Range) List......................................................................................... 5-2
5-2 Status...................................................................................................................................... 5-17
Section 6 Programless Communications
6-1 Programless Communications............................................................................................... 6-3
6-1-1 Introduction ................................................................................................................................. 6-3
6-1-2 Features...................................................................................................................................... 6-3
6-1-3 Operation for Programless Communications.............................................................................. 6-4
6-1-4 Timing of Turning Power ON and OFF ....................................................................................... 6-4
6-1-5 Connectable PLCs...................................................................................................................... 6-5