PMAC-Pack
8 Overview
Position Accuracy:
•
1 count. Sub-count interpolation possible with automatic 1/T decoding of incremental encoder signal,
or with parallel input lines from A/D converter processing analog signal from which quadrature is
derived.
Position Capture Accuracy:
•
1 count at any speed
Position Compare Accuracy:
(signal output on reaching preset position)
•
1 count at any speed
•
Up to 500 Hz repetition rate
Synchronization:
•
Axes in the same coordinate system on one PMAC are perfectly synchronized (to the servo cycle).
•
Axes in different coordinate systems on one PMAC can be synchronized to within
)
2 msec.
•
Coordinate systems on separate PMACs sharing same SYNC signal can be synchronized to
)
1 servo
cycle.
I/O Specifications
Position Feedback:
Quadrature Encoders
—
•
4 (standard) to 8 (depending on options) digital quadrature incremental encoders.
•
5V TTL or CMOS levels, single-ended or differential.
•
Sockets provided for termination resistor packs.
Input rate
—
•
DC to 20mHz (count rate). X1, X2, X4 decoding, or pulse and direction.
•
Digital delay filter for removing noise spikes. 3rd channel input available for position capture.
•
Unused counters available as timers.
Absolute Encoders —
•
Thru accessory of 14D I/O Expansion card (or other binary parallel word position data source)
•
Can be up to 12 absolute parallel encoders of 24 bits or less or up to 6 straight binary, 5 volt, single-
ended absolute parallel encoders of over 24 bits (limit of 6 ACC-14D cards of 48 bits each).
Resolvers —
•
Thru Accessory-8D Option 7 Resolver-to-Digital Converter card (2 or 4 resolvers per accessory
card). 12-bit resolution; absolute position data read on power-up or reset. Thereafter, simulated
quadrature signal is read through incremental encoder input.
Analog Outputs
•
4 (standard) to 16 (depending on options) outputs of
)
10V; 16-bit resolution.
•
Standard use is for 1 servo output per axis if PMAC is not commutating axis and 2 servo outputs per
axis if PMAC is commutating axis.
•
Uncommitted analog outputs may be used for other purposes.
Summary of Contents for PMAC Pack
Page 10: ...PMAC Pack Table of Contents vii ...
Page 11: ......
Page 16: ...PMAC Pack Overview 5 Figure 1 1 PMAC Pack Dimension ...
Page 27: ...PMAC Pack 16 Overview ...
Page 47: ...PMAC Pack 36 Getting Started ...
Page 51: ...PMAC Pack 40 Complying with European Community EMC Requirements ...
Page 53: ...PMAC Pack 42 PMACPack Custom Configuration Figure 4 1 PMAC Pack Disassembly ...
Page 70: ...PMAC Pack PMACPack Custom Configuration 59 Figure 4 4 PMAC Pack Assembly ...
Page 91: ...PMAC Pack 80 Circuit Diagrams Figure 7 2 Basic PMAC Pack Wiring Diagram ...
Page 92: ...PMAC Pack Circuit Diagrams Figure 7 3 PMAC Pack with Accessory 8D Option 2 Wiring Diagram ...
Page 93: ...PMAC Pack 82 Circuit Diagrams Figure 7 4 PMAC Pack with Accessory 8D Option 4A Wiring Diagram ...
Page 94: ...PMAC Pack Circuit Diagrams Figure 7 5 PMAC Pack with Option 9L Wiring Diagram ...
Page 95: ...PMAC Pack 84 Circuit Diagrams Figure 7 6 PMAC Pack with Accessory 28A Wiring Diagram ...
Page 96: ...PMAC Pack Circuit Diagrams Figure 7 7 PMAC Pack with Accessory 39 Wiring Diagram ...
Page 97: ...PMAC Pack 86 Circuit Diagrams ...
Page 98: ...PMAC Pack Circuit Diagrams 87 ...
Page 99: ...PMAC Pack 88 Circuit Diagrams ...
Page 100: ...PMAC Pack Circuit Diagrams 89 ...
Page 101: ...PMAC Pack 90 Circuit Diagrams ...
Page 103: ...92 Acc 24E Acc 24EXP Expansion XP Pack Figure 8 1 Expansion Pack Installation ...
Page 106: ...PMAC Pack Acc 24E Acc 24EXP Expansion XP Pack 95 Figure 8 3 PMAC Pack Assembly ...
Page 109: ...98 Acc 24E Acc 24EXP Expansion XP Pack ...