Accessory 28B
Introduction
Table of Contents
INTRODUCTION ....................................................................................................................................................... 2
Options ...................................................................................................................................................................... 2
Input Offset Nulling .................................................................................................................................................. 3
Things to Know ......................................................................................................................................................... 3
SPECIFICATIONS ..................................................................................................................................................... 4
Agency Approval and Safety .................................................................................................................................... 4
PMAC AND ACC-28B ................................................................................................................................................ 5
Using Acc-28B in Programs ...................................................................................................................................... 5
PMAC A-D Registers ............................................................................................................................................ 5
PMAC2 AND ACC-28B .............................................................................................................................................. 6
Phase Clock Setting Limitation ................................................................................................................................. 6
ACC-28B WITH ENCODER CONVERSION TABLE OPTIONS ON PMAC AND PMAC2 ............................ 8
Unsigned Analog Conversion ................................................................................................................................... 8
Converted Data .......................................................................................................................................................... 8
Encoder Table Entry ............................................................................................................................................. 8
Encoder Table Usage................................................................................................................................................. 8
Non-Turbo Example: ............................................................................................................................................ 8
Turbo Example: .................................................................................................................................................... 9
LAYOUT DIAGRAM AND JUMPERS .................................................................................................................. 10
Layout Diagram-28B OPT 2A, Connectors and Jumpers ....................................................................................... 10
Layout Diagram Acc-28B OPT 2B, Connectors and Jumpers ................................................................................ 10
Jumpers ................................................................................................................................................................... 10
E1 - PMAC Ground ............................................................................................................................................ 10
E2 ........................................................................................................................................................................ 10
E3, E4 - PMAC/PMAC2 Select ........................................................................................................................... 10
E5, E6, E7, E8 - Unipolar/Bipolar Convert ........................................................................................................ 10
Jumper Table ...................................................................................................................................................... 11
CONNECTOR PINOUTS......................................................................................................................................... 12
J1: Program Header ................................................................................................................................................. 12
J2: PMAC Interface ................................................................................................................................................ 12
P1: A-D Converter Input ........................................................................................................................................ 13
TB1: A-D Converter Input (Axes 1 and 2) ............................................................................................................. 14
TB2: A-D Converter (Axes 3 and 4) ...................................................................................................................... 14
TB3: Power Supply Input ....................................................................................................................................... 15