Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 94)

6-38 PARAMETER AND VARIABLE DESCRIPTIONS
1557-UM050F-EN-P – June 2013
Variable Descriptions
The drive variables are described in this section. The variable descriptions are arranged in the functional
groups used by the programming terminal. Each description begins with the full name of the variable, followed
by the name displayed on the programming terminal. The linear number of the variable is given followed by the
minimum and maximum values showing the position of the decimal point and the units if applicable. Next is the
scaling which applies when the variable is assigned to an analog output. Finally, there is a short description of
the function of the variable.
18 Status Variables
Logic Command [Logic command]
Linear number:
257
Minimum value: 0000 Hex
Maximum Value: FFFF Hex
Analog Output Scaling: N/A
This variable is the value of the logic command word. It is bit encoded as shown below:
xxx1H - not stop
xxx2H - start
xxx4H - reverse
xxx8H - jog
xx1xH - increase speed command
xx2xH - decrease speed command
xx4xH - reset faults & warnings
xx8xH - clear fault & warning queue
x1xxH - transfer to drive
x2xxH - transfer to bypass
x4xxH - not defined
x8xxH - not defined
0xxxH - select external speed command 0 (analog input 1L)
1xxxH - select preset speed command 1
2xxxH - select preset speed command 2
3xxxH - select preset speed command 3
4xxxH - select preset speed command 3
5xxxH - select preset speed command 3
6xxxH - select preset speed command 3
7xxxH - select preset speed command 3
8xxxH - select external speed command 8 (analog input 1M)
9xxxH - select port 1 speed command
AxxxH - select port 2 speed command
BxxxH - select port 3 speed command
CxxxH - select port 4 speed command
DxxxH - select port 5 speed command
ExxxH - select port 6 speed command
FxxxH - select preset jog speed command