ProSoft Technology MVI69-103M User Manual
Page 86

MVI69-103M ♦ CompactLogix or MicroLogix Platform
Reference
IEC 60870-5-103 Master Communication Module
Page 86 of 131
ProSoft Technology, Inc.
November 3, 2008
The module will respond to a valid request with a block containing the requested
error information. The format for the block is shown in the following table.
Word Offset in
Block
Data Field(s)
Description
0
Read Block ID
Read Block Identification
1
Write Block ID
Write Block Identification (9950)
2
Number of
Commands
reported
This field contains the number of commands contained in the
block that must be processed by the PLC. This field will have
a value of 1 to 200.
3
Start Index of First
Command
This field contains the index in the command list for the first
value in the file. This field will have a value of 0 to
MaxCommands-1.
4 to 53
Command List
Errors
Each word of this area contains the last error value recorded
for the command. The command index of the first value
(offset 4) is specified in word 3 of the block. The number of
valid command errors in the block is set in word 2 of the
block. Refer to the command error list to interpret the error
codes reported.
Set CompactLogix or MicroLogix Time Block (9970)
Block 9970 identification code requests the module's date and time. Use this data
to set the PLC clock.
Word Offset in
Block
Data Field(s)
Description
0
Block ID
This field contains the value of 9970 identifying the block type
to the module.
1 to n
Not Used
Not Used
where
n = 60, 120, or 240 depending on the Block Transfer Size parameter (refer to the
configuration file).
The module will respond to a valid block 9970 request with a block containing the
requested date and time. The format for the block is shown in the following table.
Word Offset in
Block
Data Field(s)
Description
0
Read Block ID
Read Block Identification
1
Write Block ID
This is the next block requested by the module (9970).
2
Year
This field contains the four-digit year to be used with the new
time value.
3 Month
This field contains the month value for the new time. Valid
entry for this field is in the range of 1 to 12.
4
Day
This field contains the day value for the new time. Valid entry
for this field is in the range of 1 to 31.
5 Hour
This field contains the hour value for the new time. Valid entry
for this field is in the range of 0 to 23.
6
Minute
This field contains the minute value for the new time. Valid
entry for this field is in the range of 0 to 59.
7 Seconds
This field contains the second value for the new time. Valid
entry for this field is in the range of 0 to 59.