Rockwell Automation 1779-KP3R DATA HIGHWAY II User Manual

Page 19

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Installing the 1779-KP3

Communication Interface

Chapter 2

2Ć3

Table 2.A

Group1 Switch Settings

If:

Set

switch

number:

To:

you want the KP3 to fault and disable its Data HIghway II

port if the PLC-3 faults

1

OFF

you want the KP3 Data Highway II port to remain

enabled if the PLC-3 faults

ON

you want the PLC-3 to fault if the KP3 faults

2

OFF

you want the PLC-3 to remain enabled if the KP3 faults

ON

the KP3 is part of a backup system

3

OFF

Important: If you select OFF, set the thumbwheels of

your primary and backup KP3s to the same link address.

When the backup is in effect, Data Highway II sees the

link address of the backup KP3 as one number greater

than the node thumbwheel. If switch 3 is OFF, then

switch 1 must be OFF also.

the PLC-3, not the KP3, is in a backup system

ON

Important: The KP3 will keep the node address when it

is in a backup PLC-3. It will not react to a switch over.

you want the backup connector on the KP3 enabled

4

OFF

you want the backup connector on the KP3 disabled

ON

Important: Do not touch switches 5,6,7, and 8; they are reserved for future use.

Setting Switches in Group 2

The Group 2 switches deal with programming options. Table 2.B lists the
Group 2 switches and the setting indications. Switches 1, 2, 3, 7 and 8
are reserved for future Allen–Bradley applications and you should not set
them.

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