Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 528

Communications Instructions
Application Example
Flags
510
This example shows a program that transfers the contents of DM 0100 through
DM 0104 to the PC Setup area for the built-in RS-232C port (DM 6645 through
DM 6649).
00000
@STUP(––)
000
DM 0100
000
The settings are transferred as shown below. The Changing RS-232C Setup
Flag (SR 25312) will be turned OFF when the transfer has been completed.
The following table shows the function of the transferred setup data.
Source Destination
word word
DM 0100 DM 6645
DM 0101 DM 6646
DM 0102 DM 6647
DM 0103 DM 6648
DM 0104 DM 6649
ER: Indirectly addressed DM word is non-existent. (Content of *DM word is
not BCD, or the DM area boundary has been exceeded.)
The port specifier (N) isn't 000.
In the CPM2A/CPM2C, the Communications Switch on the front of the
CPU Unit is ON.
Another STUP(––) instruction is already being executed or event proc-
essing is being performed.
The specified source words exceed the data area.
The instruction was executed from an interrupt program.
The PC Setup is write-protected.
Address Instruction
00000 LD
00001 @STUP(––)
Content
1001 Enables the communications settings in DM
0101 and sets the communications mode to
no-protocol.
0803 Sets the following communications settings:
9,600 bps, 1 start bit, 8-bit data, 1 stop bit,
no parity
0000 No transmission delay (0 ms)
2000 Enables the end code CR, LF.
0000 (No function when DM 6648 is set to 2000.)
Section 7-30
Operands
00000
000
DM 0100
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Function