7 setting a fault action – Rockwell Automation MD65 EtherNet/IP Communication Module User Manual

Page 31

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Configuring the EtherNet/IP Module

4-9

Drive 0 is the MD65 with the MDCOMM-ENET module installed.
Drive 1 through 4 are MD65 and/or MD60 drives that multi-drop to
the RJ45 (RS-485) port on Drive 0. For more information on Multi-
Drive Mode, refer to chapter 8.

Step 2.

If a drive is enabled, configure the parameters in the drive
to accept the Logic Command and Reference from the
module. For example, set parameter 36 (Start Source)
and parameter 38 (Speed Reference) in an MD65 drive to
“Comm Port.”

Step 3.

Reset the module. Refer to section 4.7.2, Resetting the
Module.

4.7

Setting a Fault Action

By default, when communications are disrupted (for example, a
cable is disconnected) or the scanner is idle, the drive responds by
faulting if it is using I/O from the network. You can configure a
different response to communication disruptions using parameter
18 (Comm Flt Action) and a different response to an idle scanner
using parameter 19 (Idle Flt Action).

If Multi-Drive mode is used, the same fault action is used by the
module for all of the drives it controls (Drives 0 - Drive 4).

Set the values of parameters 18 (Comm Flt Action) and 19 (Idle Flt
Action) to the desired responses (refer to table 4.4):

!

ATTENTION: Parameters 18 (Comm Flt Action) and
19 (Idle Fault Action) let you determine the action of
the module and connected drive if communications
are disrupted or the controller is idle. By default,
these parameters fault the drive. You can set the
parameters so that the drive continues to run.
Precautions should be taken to ensure that the
setting of these parameters do not create a risk of
injury or equipment damage. When commissioning
the drive, verify that your system responds correctly
to various situations (e.g., a disconnected cable or
faulted controller). Failure to observe this precaution
could result in bodily injury and/or damage to
equipment.

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