Rockwell Automation 1784-PCM2B User Manual

Installation Instruction

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About This Document

Use this document to install the 1784-PCM2/B cable. This cable
connects the 1784-PCMK/B card to a PLC-2 processor.

Verify Package Contents

Make sure that you have these items before you discard any
packing material.

Loopback Connector1784-PCM2/B Cable

Two Wedges

If

any item is missing or incorrect, contact

your local Allen-Bradley of

fice.

Publication 1784-5.22 – January 1997

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1784-PCM2/B Cable2

Attach the Wedges

ATTENTION: You must attach the wedge that is
provided with your cable to the computer. This wedge

!

1. Slide the wedge into the slot on the bottom of the cable’s electronics

pod as shown below.

provides strain relief for the cable and secures the cable to
the computer so the cable is not accidently disconnected.
If you do not use the wedge and the cable disconnects, it
can damage the connector on the cable and PCMK card.

electronics pod

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2. Position the assembly on the computer so the narrow end of the

wedge is closest to the PCMCIA slot. When you find the best location
for the wedge, use a pencil to mark the location on the computer.

length of cable from
connector to electronics
pod is17.8 cm (7 in.)

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Publication

1784-5.22 – January 1997

1784-PCM2/B Cable 3

3. Separate the wedge from the electronics pod.

4. Remove the paper backing from the wedge.

ATTENTION: The adhesive on the wedge is very strong.

Once you remove the protective paper and attach the

!

wedge to the computer, you cannot remove the wedge.
Be sure you are confident about the position of the wedge
before you secure it.

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5. Place the wedge on the computer where you marked the location.

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Publication

1784-5.22 – January 1997