Filter
Top Products
– 4 – ACRCOMM and ACREXPAXIS User’s Guide
Receive/Transmit Flags
You can set the flow control flags for RS-422 communications mode for each
COM port. Table 2 shows how to set up COM1and COM2.
Receive Flag Transmit Flag COM Function
CLR (0) CLR (0) Not Used (Default)
CLR (0) SET (1) Use for RS-422 Operation:
Full Duplex
Receiver Enabled
Transmitter Enabled
SET (1) CLR (0) Not Used
SET (1) SET (1) Not Used
Note: For bit and flag numbers, see “COM1 Stream Flags” and “COM2 Stream Flags” in
“Appendix B” of the “ACR Motion Controller User’s Guide, Part 2.”
Table 2 Receive/Transmit Flags and COM Functions
Figure 1 ACRCOMM RS-422 Interface Schematic