Rockwell-automation 4100 AEC Absolute Encoder Converter Installation Manual de usuario descargar pdf (Pagina 52)

Publication 4100-UM052B-EN-P - October 2001

44 Specifications

Equivalent Circuit

Diagrams

The following diagrams detail the equivalent circuits for the Strobe

Input, Transducer Data Input, the SSI Clock Output, and the Encoder

Output.

Figure 14 Strobe Input Equivalent Circuit

Figure 15 Transducer Data Input Equivalent Circuit

*Impedance includes loss detection circuit

Figure 16 SSI Clock Output Equivalent Circuit

+5V DC

22 k

Strobe +

Strobe -

Encoder

SN74F14

Data+

Data -

Data

SSI 500* Ω

kΩ

k Ω

220 Ω

µ F

180pF

SSI

Clock

DS26LS31CN

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 60 61

Absolute Encoder 1
Converter 1
Important User Information 2
European Communities (EC) 3
Directive Compliance 3
Table of Contents 5
Chapter 1 5
Chapter 2 5
Chapter 3 6
Chapter 4 6
Chapter 5 6
Appendix A 6
Appendix B 7
iv 8
Read This Manual 9
Who Should Use this 9
Purpose of this Manual 9
Safety Precautions 10
Contents of this Manual 11
Related Documentation 11
Terminology 12
Common Techniques Used 12
Allen-Bradley Support 13
AEC Product Receiving and 13
Storage Responsibility 13
On the Web 14
Overview 15
AEC Features 16
AEC Mechanical 16
Specifications 16
Overview 9 17
10 Overview 18
Installation & Hook-Up 19
Mounting the AEC 20
GMC System 22
Connecting the AEC 23
SSIControl 26
ConfigurationConfiguration 26
Switches Switches 26
Encoder EncoderPower 26
SSI Control 26
1756-MO2AE 28
DC Output Module 28
(1756-OB16I/A) 28
Wiring the AEC 29
Terminal open 29
Terminal closed 29
Clamping screws 29
The SSI Connector 30
ATTENTION 31
IMPORTANT 31
Fault Relay 32
Reference + 35
Reference 35
To Servo Amplifier 35
Supply + 36
To 18-36V DC 36
Power Supply 36
Supply Return 36
Chapter Objectives 37
Setting the Rotary Switches 37
Configuration Switch A 38
Configuration Switch B 39
Powering the AEC 40
AEC With GML Commander 40
Selecting Homing Procedure 41
Aligning Absolute Encoder 42
Operation 43
Position at Start-up 44
Transducer Faults 46
Encoder Faults 46
Internal Faults 47
No Faults 47
42 Specifications 50
Specification Description 50
Specifications 43 51
SSI 500* Ω 52
46 Specifications 54
Appendix 55
Absolute Strobe Cycle 55
Absolute Strobe Timing 56
Quadrature 57
Pulse Train 57
52 60

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