ProSoft Technology MVI56E-MCMR User Manual

Page 154

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Reference

MVI56E-MCMR ♦ ControlLogix Platform

User Manual

Modbus Communication Module with Reduced Data Block

Page 154 of 225

ProSoft Technology, Inc.

May 13, 2014

Word Offset Content

Description

11

Port 1 Command List Errors When Port 1 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.

12

Port 1 Requests

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.

13

Port 1 Responses

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.

14

Port 1 Errors Sent

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.

15

Port 1 Errors Received

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.

16

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.

17

Port 2 Command List
Response

When Port 2 is a Master, this field contains the
number of Slave response messages received on the
port.

18

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.

19

Port 2 Requests

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.

20

Port 2 Responses

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.

21

Port 2 Errors Sent

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.

22

Port 2 Errors Received

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.

23

Read Block Count

This field contains the total number of Input Image
blocks transferred across the backplane from the
module to the processor.

24

Write Block Count

This field contains the total number of Output Image
blocks transferred across the backplane from the
processor to the module.

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