Reference MVI56E-MCMR ♦ ControlLogix Platform
User Manual Modbus Communication Module with Reduced Data Block
Page 152 of 223 ProSoft Technology, Inc.
This field contains the total number of messages sent
from the port when it is a Master and the total number
or messages received when it is a Slave.
This field contains the total number of messages sent
from the port when it is a Slave and the total number
or messages received when it is a Master.
When Port 1 is a Slave, this field contains the total
number of message errors sent out of the port. The
Slave will send error messages when a command
received is invalid.
When Port 1 is a Master, this field contains the total
number of message errors received on the port from
Slaves on the network. Slaves send error responses
when they think they have received an invalid
command or a command with invalid parameters.
Port 2 Command List
Requests
When Port 2 is a Master, this field contains the
number of requests made from Port 2 to Slave
devices on the network.
Port 2 Command List
Response
When Port 2 is a Master, this field contains the
number of Slave response messages received on the
port.
Port 2 Command List Errors
When Port 2 is a Master, this field contains the
number of command errors processed on the port.
These errors could be due to a bad response or bad
command.
This field contains the total number of messages sent
from the port when it is a Master and the total number
or messages received when it is a Slave.
This field contains the total number of messages sent
from the port when it is a Slave and the total number
or messages received when it is a Master.
When Port 2 is a Slave, this field contains the total
number of message errors sent out of the port. The
Slave will send error messages when a command
received is invalid.
When Port 2 is a Master, this field contains the total
number of message errors received on the port from
Slaves on the network. Slaves send error responses
when they think they have received an invalid
command or a command with invalid parameters.
This field contains the total number of Input Image
blocks transferred across the backplane from the
module to the processor.
This field contains the total number of Output Image
blocks transferred across the backplane from the
processor to the module.