ProSoft Technology ControlLogix MVI56E-SMGC User Manual page 90

MVI56E-SMGC ♦ ControlLogix™ Platform
Enhanced FMC722 TPU General Communication Module
Time Synchronization Request
This data block is sent from the ladder logic to the server to synchronize the clocks of the
units. The format of this block is as follows (write block to the module):
Word Offset
4 to 5
6 to 7
8
9 to 16
Time Format: 1 = POSIX, 2 = Siemens
POSIX Time Format (number of seconds since Jan, 1970):
Siemens Time Format:
Byte #
Signature Request
This data block requests signature data from a sensor or actuator. The format of this
block is as follows (write block to the module):
Word Offset
4 to 5
6 to 7
8
9
10
Operation Code:
0 = Open actuator signature
1 = Close actuator signature
2 = Sensor signature
Frequency: Number of milliseconds between samples for sensor signature requests
Number of Samples: Number of samples to be taken for a sensor signature request. Max number
of samples is 400 if MAX_BUFFER is sufficient.
If Operation Code = 0 or 1, set to 120 for valve signature
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Byte Count Data Type
4 DINT
4 DINT
2 INT
16
seconds 4 bytes
nanoseconds 4 bytes
Range
0 0 to 59
1
2 0 to 23
3 0 to 59
4 1 to 31
5
6 0 to 99
7 1 to 12
Byte Count Data Type
4 DINT
4 DINT
2 INT
2 INT
2 INT
Description
Time synchronization data block code 0x00000105
TagIndex (unused)
Time format code (1 or 2)
Time data in the specified format
unsigned long
unsigned long
Name
Second
Decimal seconds (Not used)
Hour
Minutes
Date
Weekday (Not Used)
Year
Month
Description
Request for signature data block code
0x00000106
Tag Index
Operation Code
Frequency
Number of Samples
Reference
User Manual
Page 90 of 98