Delta Tau GEO BRICK LV Manuel D’Utilisation
Turbo PMAC User Manual
Turbo PMAC Family Overview
9
A
B
C
ENCODER 1
ENCODER 2
ENCODER 3
ENCODER 4
ENCODER
CONTROL
4
ENCODER
INPUTS
ANALOG
CONTROL
24-BIT
DATA BUS
16-BIT
ADDRESS BUS
DSP-GATE
ENCODER
SAMPLE
SERVO
PHASE
SELECTABLE-FREQUENCY CLOCK INPUTS
SERIAL
DATA OUT
SERIAL
DATA IN
CLOCK
MUX
CONTROL
MUX
DAC 1
DAC 2
DAC 3
DAC 4
1
2
3
4
PMAC
CUSTOM
ADC
16 BIT
4
ANALOG
INPUTS
4
ANALOG
OUTPUTS.
16 BIT
RESOLUTION
LD
LD
LD
LD
ADC SHIFT REGISTERS (4)
DAC SHIFT REGISTERS (4)
A
B
C
A
B
C
A
B
C
AENA 1-4
EQU 1-4
OPTO
ISOLATION
FLAG
CONTROL
HOME 1-
+LIMIT 1-
4-LIMIT 1-
4-LIMIT 1-
4
FAULT 1-
4
4
INPUT
FLAGS
OUTPUT
FLAGS
ACCESSORY BOARD
The PMAC-style DSPGATE IC is provided on the following Turbo PMAC products:
•
Turbo PMAC PC
•
Turbo PMAC VME
•
Turbo PMAC PCI
•
Turbo PMAC PCI Lite
•
Acc-24P ISA-Format Axis-Expansion Board
•
Acc-51P ISA-Format Interpolator Board
PMAC2-Style DSPGATE1 ASIC: The PMAC2-style Servo IC is labeled the DSPGATE1. It is a 4-
channel part with 64 memory-mapped registers. Each channel supports the following features:
channel part with 64 memory-mapped registers. Each channel supports the following features:
•
Three output command signal sets, configurable as either:
•
Two serial data streams to digital-to-analog converters of up to 18 bits, and one pulse-and-
direction pair, or
direction pair, or
•
Three pulse-width-modulated (PWM) top and bottom pairs
•
Input for digital quadrature with index, pulse-and-direction, or MLDT feedback
•
Four input flags (home, +/-limit, user) that can trigger hardware encoder capture
•
Amplifier-fault input
•
Four supplemental input flags (T, U, V, W) for hall commutation sensors, sub-count data, fault codes,
or general use
or general use
•
Amplifier-enable output
•
Hardware position-compare output
•
Input from two analog-to-digital converters of up to 18 bits (from amplifier or accessory board)