Delta Tau PMAC2A-PC/104 Manual descargar pdf (Pagina 8)

PMAC2A-PC104 Hardware Manual

2 Introduction

Option 6L: Multi-block Lookahead Firmware

Option 6L provides a special lookahead firmware for sophisticated acceleration and cornering profiles

execution. With the lookahead firmware PMAC automatically controls the speed along the path (but

without changing the path) to ensure that axis limits are not violated.

Option 10: Firmware Version Specification

Normally the PMAC PCI-Lite is provided with the newest released firmware version. A label on the

memory IC shows the firmware version loaded at the factory. Option 10 provides for a user-specified

firmware version.

Option 12: Analog-to-Digital Converters

Option 12 permits the installation of 2 channels of on-board analog-to-digital converters with ±10V input

range and 12-bits resolution. The key component installed with this option is U20.

ACC-1P: Axis Expansion Piggyback Board

ACC-1P provides four additional channels axis interface

circuitry for a total of eight servo channels, each including:

• 12-bit ±10V analog output

• Pulse-&-direction digital outputs

• 3-channel differential/single-ended encoder input

• Four input flags, two output flags

• Three PWM top-and-bottom pairs (unbuffered)

ACC-1P Option 1: I/O Ports

Option 1 provides the following ports on the ACC-1P axes

expansion board for digital I/O connections.

• Multiplexer Port: this connector provides eight input lines and eight output lines at TTL levels. When

using the PMAC ACC-34x type boards these lines allow multiplexing large numbers of inputs and

outputs on the port. Up to 32 of the multiplexed I/O boards may be daisy-chained on the port, in any

combination.

• I/O Port: this port provides eight general-purpose digital inputs and eight general-purpose digital

outputs at 5 to 24 VDC levels. This 34-pin connector was designed for easy interface to OPTO-22 or

equivalent optically isolated I/O modules when different voltage levels or opto-isolation to the

PMAC2A-PC/104 is necessary.

• Handwheel port: this port provides two extra channels,

each jumper selectable between encoder input or pulse

output.

ACC-1P Option 2: Analog-to-Digital

Converters

Option 2 permits the installation on the ACC-1P of 2 channels

of analog-to-digital converters with ±10V input range and 12-

bits resolution. The key component installed with this option

is U20.

PMAC2A-PC/104 Base Board

shown stack with the ACC-1P

PMAC2A-PC/104 Base Board shown

stack with the Option-1P and

tion-2P boards

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Delta Tau PMAC2A-PC/104 Manual Pagina 8

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