ProSoft Technology MVI56E-MCM/MCMXT User Manual
Page 112

Diagnostics and Troubleshooting
MVI56E-MCM ♦ ControlLogix Platform
User Manual
Modbus Communication Module
Page 112 of 199
ProSoft Technology, Inc.
June 18, 2014
Bit
Description
Value
0
Read block start value is greater than the database size.
0x0001
1
Read block start value is less than zero.
0x0002
2
Read block count value is less than zero.
0x0004
3
Read block count + start is greater than the database size.
0x0008
4
Write block start value is greater than the database size.
0x0010
5
Write block start value is less than zero.
0x0020
6
Write block count value is less than zero.
0x0040
7
Write block count + start is greater than the database size.
0x0080
8
0x0100
9
0x0200
10
0x0400
11
0x0800
12
0x1000
13
0x2000
14
0x4000
15
0x8000
The port configuration error words have the following definitions:
Bit
Description
Value
0
Type code is not valid. Enter a value from 0 (Master) to 1
(Slave).
0x0001
1
The float flag parameter is not valid.
0x0002
2
The float start parameter is not valid.
0x0004
3
The float offset parameter is not valid.
0x0008
4
Protocol parameter is not valid.
0x0010
5
Baud rate parameter is not valid.
0x0020
6
Parity parameter is not valid.
0x0040
7
Data bits parameter is not valid.
0x0080
8
Stop bits parameter is not valid.
0x0100
9
Slave ID is not valid.
0x0200
10
Input bit or word, output word and/or holding register
offset(s) are not valid.
0x0400
11
Command count parameter is not valid.
0x0800
12
Spare
0x1000
13
Spare
0x2000
14
Spare
0x4000
15
Spare
0x8000
Correct any invalid data in the configuration for proper module operation. When
the configuration contains a valid parameter set, all the bits in the configuration
words will be clear. This does not indicate that the configuration is valid for the
user application. Make sure each parameter is set correctly for the specific
application.