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Installation and Configuration
Communications
Release 1.1 21
Communications
Baud Rate
Selection
Serial transmission sends and receives data in bit streams at fixed bit rates. Both the
computer and the interface must have the same bit rate setting for proper
communication. Use switches B1, B2, and B3 on the rear panel SW1 switch to select
the power supply's rate of transmission in bits per second. Table 2.2, “Switch S1
Settings for Baud Rate”summarizes the switch settings with the reference markings
on the rear panel subplate. Refer to Figure 2.2, on page 16 for the location of the
SW1 switch on the RS-232 interface subplate.
Table 2.2 Switch S1 Settings for Baud Rate
0 = OPEN/OFF 1 = CLOSED/ON
Note:When resetting switches B3, B2, and B1 during a working session, turn the
power supply OFF and then ON again to put the new settings into effect.
Baud Rate B1 B2 B3
9600 0 0 0
4800 0 0 1
2400 0 1 0
1200 0 1 1
600 100
300 101
150 110
75 111