Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 268

CPM2A/CPM2C Communications Functions
Word Bit
DM 6653 00 to 07 Node number (Host Link)
00 to 31 (BCD)
(Other settings will cause a non-fatal error, the default setting (03) will be
used, and AR 1302 will turn ON.)
08 to 11 Start code enable (Peripheral port)
0: Disable
1: Use start code in DM 6654.
12 to 15 End code enable (Peripheral port)
0: Disable (number of bytes received)
1: Use end code in DM 6654.
2: CR, LF
(Other settings will cause a non-fatal error, the disable setting (0) will be
used, and AR 1302 will turn ON.)
DM 6654 00 to 07 Start code
(Peripheral port, effective when bits 08 to 11 of DM 6653 are set to 1.)
01 to FF (Hex)
08 to 15 No. of bytes of data received
(Peripheral port, effective when bits 12 to 15 of DM 6653 are set to 0.)
00: 256 bytes
01 to FF: 1 to 255 bytes
End code (00 to FF)
(Peripheral port, effective when bits 12 to 15 of DM 6653 are set to 1.)
248
Function
Section 4-3
Setting
00 to 31
Any
Any
Any
Any