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C1645M-A (9/06) 15
With the FT85041 transmitter/FR85041 receiver powered off, turn the Data Selection switch using a
screwdriver until the number representing the required data communication is selected. Refer to
Table A for Data Selection switch settings.
Note the following:
•
The FT85041 transmitter/FR85041 receiver allows data translation between RS-232 and
RS-422 signal levels. Consequently, the Data Selection switch can be set to 0 (RS-232) on the
transmitter and to 1 (RS-422) on the receiver. Conversely, the Data Selection switch can be set
to 1 (RS-422) on the transmitter and to 0 (RS-232) on the receiver.
•
If you wish to change the data communication setting after the FT85041 transmitter/FR85041
receiver has been powered on, power off the transmitter/receiver, change the data
communication setting, and then power on the transmitter/receiver again.
Table A.
Data Selection Switch Settings
Data Selection Switch Setting
RS-232 0 (default setting)
RS-422 1
RS-485 2-Wire 2
RS-485 4-Wire 3
Manchester/Bi-Phase 4
NOTE:
Switch positions 5-9 are not used.
C1645M-A.book Page 15 Wednesday, September 13, 2006 3:07 PM