Omron SYSMAC CJ Series, Operation Manual

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All BASIC commands Section 4-2
214
4-2-181 PLC_EXCHANGE
/i
Type System command
Syntax PLC_EXCHANGE(0, area_code)
PLC_EXCHANGE(1, area_code, plc_area, plc_start, tj_area,
tj_start, total_items)
Description PLC_EXCHANGE(0, ...) prints the mapping of the PLC memory area
specified by area_code to the CJ1W-MCH72 memory. The output of
this command is: area_code , plc_area , plc_start , tj_area , tj_start ,
total_items .
PLC_EXCHANGE(1, ...) configures the mapping of the PLC memory to
the CJ1W-MCH72 memory.
Arguments • area_code
The PLC area. Possible values in hexadecimal are:
-
0100..0107 for PLC output area (8 areas available)
- 8100..8107 for PLC input area (8 areas available)
• plc_area
The PLC memory area used for data exchange. Possible values in
hexadecimal are:
-
01 : CIO
- 03 : DM
- 04 : WR
- 05 : HR
- 08..14 : EM bank 0..C
• plc_start
The start address in PLC memory.
Note: The validity depends on
plc_area .
• tj_area
The CJ1W-MCH72 memory area used for data exchange. Possible
values are:
-
00 : VR 16-bit signed integer
- 01 : VR 32-bit floating point
- 02 : IN or OP array, depending on direction
- 03 : AIN or AOUT array, depending on direction
- 04 : Axis Status array, only valid if direction is PLC input
• tj_start
The tart address in CJ1W-MCH72 memory.
Note: The validity depends on
tj_area .
Note: The first 16 entries in the IN array are invalid start addresses.
• total_items
The total number of items (words and dwords) to transfer
Note: The validity depends on
plc_area and tj_area .
Note: The total number of words configured for all blocks may not
exceed 2000. A floating point value corresponds to 2 words.
Example No example.
See also PLC_STATUS