ProSoft Technology MVI46-103M - Manual (Page 25)

Functional Overview MVI46-103M ♦ SLC Platform
IEC 60870-5-103 Master Communication Module
ProSoft Technology, Inc. Page 25 of 187
September 12, 2006
Word Offset
in Block Data Field(s) Description
4103 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.
4104 to 4163 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 SLC 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
4100 Block ID This field contains the value of 9970 identifying the block
type to the module.
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
4100 Done Flag A value of zero will be placed in this register to indicate the
function is complete and the data is ready.
4101 Block ID This field contains the identification code of 9970 for the
block block.
4102 Year This field contains the four-digit year to be used with the
new time value.
4103 Month This field contains the month value for the new time. Valid
entry for this field is in the range of 1 to 12.
4104 Day This field contains the day value for the new time. Valid
entry for this field is in the range of 1 to 31.
4105 Hour This field contains the hour value for the new time. Valid
entry for this field is in the range of 0 to 23.
4106 Minute This field contains the minute value for the new time. Valid
entry for this field is in the range of 0 to 59.
4107 Seconds This field contains the second value for the new time. Valid
entry for this field is in the range of 0 to 59.
4108 Milliseconds This field contains the millisecond value for the new time.
Valid entry for this field is in the range of 0 to 999.
Set Module Time Block (9971)
Block identification code 9971 passes the clock time in the SLC to the module.
The date and time provided will be used to set the module's clock.