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Connecting the 2120 Nodes to the GCC
Installing with Adapter Cable
If the RS-232 card has a DB9 male connector, complete the following steps.
Refer to the diagram in Figure 5-1 for help. If it has a DB25 male connector,
skip this section, and continue to the next section.
1.
Ensure that the power is OFF before starting this procedure.
2.
Complete all wiring according to the wiring diagram shown in Figure 5-1.
3.
Connect the DB9 female end of the 6-foot adapter cable (Assembly
617-836) to the RS-232 port located on the CPU.
4.
Connect the DB25 male connector end of the 6-foot adapter cable to the
DB25 female connector on Assembly 733-571.
5.
Connect the DB25 male connector on Assembly 733-572 to the RS-232 port
on the 2120 node.
6.
Use the junction boxes at each end of the installed cable to terminate the
field wiring between harness 533-571 and 533-572.
7.
Complete Steps 1 through 6 for each node you are installing.
8.
After connecting the node(s) to the GCC, turn the power ON. The GCC
automatically boots up to the initial program screen.
5-3
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