6.1 Setting the Dipswitches
This section describes the machine set-up and dipswitch selection. Figure 3
and Table 4 describe the OMX-SW8x8NT dipswitches.
Figure 3: OMX-SW8x8NT Dipswitch Configuration
DIPS
Function
1, 2, 3
SELF ADDRESS Determines the machine number
4
RS-485 Term
5
Reply
6, 7
Reserved
8
RS-232\RS-485
To set the dipswitches, use a small flathead screwdriver to move the
dipswitches to the ON or OFF position, as described in the following sections.
6.1.1
SELF ADDRESS Dipswitches
The SELF ADDRESS dipswitch determines the position of a
OMX-SW8x8NT unit in the sequence, specifying which OMX-SW8x8NT
unit is being controlled, when several OMX-SW8x8NT units are controlled
by a PC or serial controller. Set the SELF ADDRESS on a OMX-SW8x8NT
unit via dipswitches 1, 2, and 3, according to Table 5.
Connecting the OMX-SW8x8NT
1 2
3
4 5
Table 4: Dipswitch Settings
ON for RS-485 Line Termination
OFF for no RS-485 Line Termination
ON enables reply from the switcher to PC
OFF disables reply from the switcher to PC
OFF
ON enables RS-232 communication between the switcher and PC
OFF enables RS-485 communication between the switcher and PC
Table 5: SELF Address Dipswitch Settings
SELF ADDRESS
Master
1
2
3
4
5
6
7
8
8
Description
DIPS
3
2
1
ON
ON
ON
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
7
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