Curtis PMC 1204 Series User Manual

Curtis PMC 1204X/1205X/1209/1221 Manual
43
APPENDIX A
APPENDIX A
FUNCTIONAL DESCRIPTION
A-1
These controllers consist of three sections: (1) a POWER SECTION, (2) a LOGIC SECTION, which drives the
power section, and (3) an AUXILIARY SECTION, which enables and monitors the power and logic sections.
Fig. A-1 Block diagram, Curtis PMC 1204X/1205X/1209/1221 controllers.
+14V
REGULATOR
UNDER
VOLTAGE
DETECT
SWITCH
PLUG DIODE
PLUG
DETECT
PULSE
WIDTH
MODULATOR
CURRENT
LIMIT
COMPARATORS
CURRENT
LIMIT
REFERENCE
CURRENT
LIMIT
DISABLE
SHUT
DOWN
GATE
DRIVE
LIMIT
INTEGRATOR
ACCELERATION
CIRCUIT
THROTTLE
INPUT
SCALING
HIGH
PEDAL
DISABLE
START-UP
TIMER
POT
FAULT
OVER
TEMP
UNDER
TEMP
TEMP
SENSE
POWER
SECTION
LOGIC SECTION
B+
A2
M-
B-
FREEWHEEL
DIODE
S1
S2
FIELD
+
FILTER CAPACITORS
OSCILLATOR
MOSFETs
A1
A2
+
–
ACCELERATION
RATE ADJUST
+14 VOLTS
TO ALL CIRCUITS
ARM
THROTTLE
POT
THROTTLE
INPUT
(SHADED AREA REPRESENTS CONTROLLER)
CURRENT
LIMIT
ADJUST
AUXILIARY
SECTION
PLUG CURRENT
LIMIT
REFERENCE
PLUG
CURRENT
ADJUST
FIXED PLUGVARIABLE PLUG
PULSE
DISABLE
SIGNAL
CONDITIONING
BYPASS
CONTACTOR
DRIVER
F/R
CONTACTOR
DRIVER
CURRENT
SENSE
CURRENT
SENSE
FAULT
INHIBIT
INHIBIT
RELEASE
TIMER
FAULT
DETECT
BYPASS
TIMER
OVER
CURRENT
CONTROL
POWER-ON
RESET
LOGIC
BOARD
CHECK
+12V
REGULATOR
CONTROL
LOGIC
BYPASS
CONTACTOR
+12 VOLTS
REV
INPUT
KSI
FWD
INPUT
E. REV.
INPUT
(+10V REFERENCE)
EMERGENCY REVERSE
PLUG
F/R
CONTACTORS
DIRECTION
SWITCHES
KEYSWITCH
and
INTERLOCKS
EMERGENCY
REVERSE
SWITCH
F/R CONT.
OUTPUT
BYPASS
CONT.
OUTPUT
SIGNAL
CONDITIONING
SIGNAL
CONDITIONING
+10V
REGULATOR
+10V REFERENCE
PTC
PTC
PTC
OVER
VOLTAGE
DETECT

Curtis PMC 1204 Series Specifications

General

Brand	Curtis
Model	PMC 1204 Series
Category	Controller
Language	English