Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 79)

Adapter Parameters B-3
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
19 [Msg I/O Timer]
Sets the communication loss timeout period in
seconds. The value zero (0) disables this parameter.
Default: 5 seconds
Minimum: 0 seconds
Maximum: 180 seconds
Type: Read/Write
Reset Required: No
20 [Ref/Fdbk Size]
Displays the size of the Reference/Feedback. The
drive determines the size of the Reference/Feedback.
Default: 0 = 16-bit
Values: 0 = 16-bit
1 = 32-bit
Type: Read Only
21 [Datalink Size]
Displays the size of each Datalink word. The drive
determines the size of Datalinks.
Default: 0 = 16-bit
Values: 0 = 16-bit
1 = 32-bit
Type: Read Only
22 [Reset Module]
No action if set to “0” (Ready). Resets the adapter if
set to “1” (Reset Module). Restores the adapter to its
factory default settings if set to “2” (Set Defaults). This
parameter is a command. It will be reset to “0” (Ready)
after the command has been performed.
Default: 0 = Ready
Values: 0 = Ready
1 = Reset Module
2 = Set Defaults
Type: Read/Write
Reset Required: No
23 [Comm Flt Action]
Sets the action that the adapter and drive will take if
the adapter detects that network communications have
been disrupted. This setting is effective only if I/O that
controls the drive is transmitted through the adapter.
Default: 0 = Fault
Values: 0 = Fault
1 = Stop
2 = Zero Data
3 = Hold Last
4 = Send Flt Cfg
Type: Read/Write
Reset Required: No
Parameter
No. Name and Description
Details
!
ATTENTION: Risk of injury or equipment damage exists. Parameter 19 - [Msg
I/O Timer] lets you determine how long it will take the adapter to detect network
communication losses. By default, this parameter sets the timeout to five (5)
seconds. You can set this parameter so that the duration is shorter, longer, or
disabled. When set to disabled, this also disables adapter Parameter 23 - [Comm
Flt Action]. Therefore, a communication fault action will be ignored. Precautions
should be taken to ensure that the setting of this parameter does not create a risk
of injury or equipment damage. When commissioning the drive, verify that your
system responds correctly to various situations (for example, a disconnected
cable).
!
ATTENTION: Risk of injury or equipment damage exists. If the adapter is
transmitting I/O that controls the drive, the drive may fault when you reset the
adapter. Determine how your drive will respond before resetting a connected
adapter.
!
ATTENTION: Risk of injury or equipment damage exists. Parameter 23 - [Comm
Flt Action] lets you determine the action of the adapter and connected drive if I/O
communications are disrupted. By default, this parameter faults the drive. You can
set this parameter so that the drive continues to run. Precautions should be taken
to ensure that the setting of this parameter does not create a risk of injury or
equipment damage. When commissioning the drive, verify that your system
responds correctly to various situations (for example, a disconnected cable).