INSTALLATION
INPPT01 SWITCH SETTINGS
3 - 2
I-E96-624A
®
operating options. The CPU board has three dipswitches that
set the module operating characteristics. These switches pro-
vide the means of establishing the type of control, serial port
communication rate, and loop address. Figure
shows the
dipswitch locations on the CPU board.
Option Switch (U72)
U72 is an eight position dipswitch that determines the operat-
ing options of the module. Table
lists the U72 option set-
tings. Record the U72 settings in the space provided. When
setting switches, 0 = Closed (on) and 1 = Open (off).
Figure 3-1. Switch Locations on the PPT (CPU board)
T00387A
P1
P2
P3
STOP SW2
OPTION
SWITCH
BAUD RATE
SWITCH
JUMPERS
J1, J2, J3
DIAGNOSTICS
SWITCH
U72
U73
U75
RESET SW1
1 2 3 4
OPEN
5 6 7 8
1 2 3 4
OPEN
5 6 7 8
1 2 3 4
OPEN
5
J1 J2 J3
Table 3-1. Option Switch (U72) Settings
Position
Setting
Function
User
Setting
1
0
1
ROM checksumming enabled
ROM checksumming disabled
2
0
1
RS-232-C port in DCE mode (direct connections)
RS-232-C port in DTE mode (modem connections)
3
0
1
Equipment select output de-energized
Equipment select output energized
1
4
0
1
Port 1 option interface communication
Port 1 utility option
2
5
0
1
Interface ID local
3
Interface ID remote
6
0
1
Interface mode two-way control
4
Interface mode one-way control