Rockwell Automation 2092-DAx Ultra1500 Host Commands for Serial Communication Reference Manual - Manual (Page 18)

Publication 2092-RM001A-EN-P — March 2005
2-6 Command Reference
Triggered Data Collection (MOT)
Command: MOT
Description: Sets, watches, and reads trigger monitor
Format: STX ID # MOT Ch1 Ch2 Src SP Num Mode Pos Level : BSS ETX
Data: Argument Description
Ch1, Ch2 Input signals, See Appendix A (variables 0x00 to
0x0F only)
Src Trigger Source (0x000 to 0x009, 0x101to 0x10C)
0x000 to 0x009: Refer to Monitor Variables on
page A-3 for the list of variables.
0x101 to 0x108: DI#1 to DI#7, EStop
0x109 to 0x10C: DO#1 to DO#3, Fault
SP Sample Period, Range: 0x01 to 0x64 (0.2 to 20
msec)
Num Number of data points * 10, Range: 0x01 to 0x1E
(1 to 30)
Mode Trigger mode
1 = Positive Edge
2 = Negative Edge
Pos Trigger Position (1 to 9)
The percentage of data to be received before the
trigger point.
For example, if Pos = 3 then 30% of data received
before the trigger point and 70% of data received
after the trigger point.
Level Trigger level/threshold; the value of the Trigger
Source. Values are 4 or 8 bytes signed.
Usage Note: This command variant sets up the trigger monitoring. It is sent to
the drive prior to monitoring or reading the Triggered Data
Collection (MOT) command variants below. See Figure 2-2 for
command examples.
Response: ACK
Next Command: MOT
Format: STX ID # MOT : BSS ETX
Usage Note: This command is sent to the drive to verify data is available.
Response: If data is not ready: STX ID $ BSY : BSS ETX
or
If data is ready: STX ID $ TOK : BSS ETX
Next Command: MOT
Format: STX ID # MOT NumD : BSS ETX
Data: Argument Description
NumD Data Point to retrieve the data from; Range: 00 to
(Num-1)
Usage Note: This command can be used when previous command returned TOK.
Send ESC to stop data collection.
Response Format: STX ID $ MOT V1&V2&...V20 : BSS ETX