ProSoft Technology MVI56-DFCM - Manual (Page 89)

MVI56-DFCM ♦ ControlLogix Platform Reference
DF1 Half/Full Duplex Master/Slave Serial Communication Module User Manual
ProSoft Technology, Inc. Page 89 of 106
September 24, 2014
5.2.9 Module Time Blocks (9972 and 9973)
Set Module Time Using Processor Time Block (9972)
If the module receives a Block ID of 9972 from the processor, it will set the time
and date in the module to what is contained in the block. This is the Write block
structure:
Word Offset
in Block Data Field(s) Description
0 9972 Write Block ID (for the Set Time function)
1 Year This field contains the four-digit value for the new
time value.
2 Month This field contains the month value for the new time.
Valid entry for this field is in the range of 1 to 12.
3 Day This field contains the day value for the new time.
Valid entry for this field is in the range of 1 to 31.
4 Hour This field contains the hour value for the new time.
Valid entry for this field is in the range of 0 to 23.
5 Minute This field contains the minute value for the new time.
Valid entry for this field is in the range of 0 to 59.
6 Seconds This field contains the second value for the new time.
Valid entry for this field is in the range of 0 to 59.
7 to 247 Not Used Reserved
The module will respond to a valid 9972 Write block by returning the following
Read Block:
Word Offset
in Block Data Field(s) Description
0 Not used Reserved
1 Block Number Write Block ID
2 to 248 Spare Reserved
249 9972 Read Block ID (Set Time acknowledgment)
Get Module Time (Block 9973)
Block Identification Code 9973 i s used to requests the module’s date and time.
You can use this data to set the ControlLogix clock to match the module's data
and time.
Block Format for Write
Word Offset in Block Data Field(s) Description
0 Write Block ID This field contains the value of 9973 to request the
module's current date and time.
1 to 247 Not Used Reserved
The module responds to a valid block 9973 request with a block containing the
requested date and time.