Pacific Scientific OC950 - Page 81

Figure 2 MA950 A-7
0
CmdGain
CmdGain
(KRPM/VOLT)
(AMP/VOLT)
12
AnalogIn
(VOLT)
VelCmd from
Position Loop
BlkType
0
1
2
DIFF AMP
1.2 KHZ LPF
J4-2
J4-1
ANALOG CMD
LOW
PASS
FILTER
ADF0
10
(VOLT)
AnalogIn
CLAMP
+13.5 Volt
+13.5 Volt
(VOLT)
ADOffset
(VOLT)
To Ve lo ci ty
Loop
VelCmd
(RAD/SEC)
CLAMP
VelLmtLo
(RPM)
VelLmtHi
(RPM)
BlkType
0
1,2
SC950 VELOCITY COMMAND
PROCESSING BLOCK DIAGRAM