Rockwell Automation 1336-GM1 Remote I/O Communications Module User Manual

Page 38

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3–8

Installing the Module

8. If the module is the last device on the Remote I/O link, either user

the internal termination resistor (J2) or an external termination
resistor. If the Remote I/O link uses 230Kbps, you must use an
external 82 ohm termination resistor.

Important: Use only one type of termination (internal or external),

Figure 3.8

Using a Termination Resistor

9. Reapply power to the SCANport product.

10. Apply power to the Remote I/O link. The module is now

installed. Its LEDs are as follows:

You are now ready to create a ladder logic program.

Important: If your LEDs are different, refer to Chapter 6.

J2

1

2

3

1

2

3

1

2

3

Not Last Device,
(Factory Default)

Last Device on link,
Termination
Resistor Inserted
Enables 150 ohm
Termination Resistor

Blue

Shield

Clear

To
Another
Remote I/O
Link Device

2

1

I50 Ohm
or
82 Ohm
1 watt
+/-10%

Sh

External Termination

Internal Termination

LED

Status

Fault

Red (Blinking)

SCANport STS

Green or amber

➀ ➁

Health

Green or amber

Rem I/O ACT

Off

Rem I/O STS

Off

This LED is off if the module use firmware 2.xx or lower.

Early versions of the module use amber LEDs.

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