Parker AC890 Product Manual page 474

Parameter Descriptions
SPEED OUTPUT
Master speed output.
ACCEL OUTPUT
Master acceleration output in /s^2.
RAMPING
This is set TRUE when ramping.
STATUS
Operating status of the Virtual Master.
Enumerated Value : Status
Functional Description
The time needed to stop or accelerate is:
As the speed is symmetrical, the average speed is V/2 therefore the stopping / acceleration distance can be calculated:
Note: These only hold true if Jerk = Jerk2 for acceleration or Jerk 3 = Jerk 4 for deceleration.
890SD Standalone Drive - Frames G, H & J
PREF: 118.13
PREF: 118.15
PREF: 118.16
PREF: 118.19
0 : READY operating correctly
1 : RESET RESET input is FALSE
2 : DUPLICATE another VIRTUAL MASTER has the same CHANNEL number
3 : INITIALISING FireWire is present but state not yet known
4 : NO FIREWIRE No FireWire Option fitted or no FireWire power supplied
5 : DISABLED CHANNEL set to zero
V V A
 
s   (meters)
   
2 A J
V is the maximum speed the drive must reach in % / sec.
A is the maximum allowable acceleration in %/sec
J is the maximum allowable value for jerk, in %/sec
Default: —.xx Hz
Default: —.xx
Default: FALSE
Default: 4
V A
t   (seconds)
A J
2 .
3
Range: —.xx Hz
Range: —.xx
Range: FALSE / TRUE
Range: See below
D-183
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