Rockwell-automation 2755-DM9, -DM9E High Speed Decoder Uživatelský manuál stáhnout pdf (Strana 144)

Appendix B

Default Parameters of the Decoder

B–2

Type Default Parameters

Scanner Control

Laser On Mode: Continuous

Decode Trigger: Package Detect

Capture Count:

Fields/Scan: 1

Fields/Package: 1

No–Read Timer: 0

Inter–Scan Timer: 0

Match Complete: 1

Match Code Table (1–8)

Bar Code Symbology: Code 39

Match Code Enable: N (No)

Text String: None

Outputs (1–8)

Condition To Assert: None

Output Pulse Duration: 0

1 2 ... 139 140 141 142 143 144 145 146 147 148 149 ... 166 167

Bulletin 2755 1
High Speed Decoder 1
• identify a hazard 2
• avoid the hazard 2
• recognize the consequences 2
Using This Chapter 3
Installing the Decoder 4
Communicating With a Host 4
Host Commands Using a 5
RS-232 or RS-422 Interface 5
Host Commands Using the 5
RS-485 Interface 5
Table of Contents 6
Using This Manual 8
Intended Audience 9
Conventions Used 9
Warnings And Cautions 10
Nomenclature 10
Related Publications 10
Description of Hardware 11
Laser Scan Heads 12
Physical Description 12
Indicators 13
Chapter 2 14
Description of Hardware 14
Figure 2.2 14
LED Indicators 14
Communications Ports 15
-- 120 VAC 240 VAC 17
-- 200 V/ usec 200 V/ usec 17
-- 4.0 A Peak 4.0 A Peak 17
Power and Scan Head 18
Connectors 18
Accessories 19
How the Decoder Operates 20
DC Output Module Application 21
Communications 22
RAM and EEPROM Memory 25
Operating Modes 26
Trigger Ending Coditions 27
Response Modes 27
Configuring Your Decoder 28
Programming Terminal Cable 29
Menus and Setup Screens 29
Start-up Procedure 29
Chapter 4 30
Select Operation Menu 31
(Continued) 32
Using and Editing the 36
Configuration (Setup) Screens 36
Command Bar 39
Setup Screen #1 41
Setup Screen #1 Fields 44
Data Check Characters 46
Host Communications 47
Package Detect Input 50
Setup Screen #2 51
Setup Screen #2 Fields 53
Code Lengths 54
• No-read timer times out 55
Match Code Table 61
Programming Example 65
Chapter 5 76
Determining the Space 77
Requirements 77
Figure 5.3 78
How to Connect Your Equipment 79
Installing and Wiring Modules 80
DC OUTPUT MODULES 81
• RS-232: no flow control 85
RS-422 Interface 86
RS-485 + Transmit/Receive 88
RS-485 - Transmit/Receive 88
have the 88
Message Format 89
Example Data Messages 91
Host Commands 92
Two Character Commands 94
C D H I M N O P R S 94
Responses to Commands 95
1. Set Code 39, I 2 of 5 and 97
Codabar Check Characters 97
2. Clear Output Counter 97
5. Set Host Communications 99
6. Write Header Message 100
7. Set Package Detect Input 101
Filter and Sense 101
10. Set Message Format 102
9. Read Output Counter 102
Interface 103
Chapter 7 103
11. Read Match Code Table 104
12. Write Match Code Table 105
14 Write No-READ Message 106
Read No-Read Count 107
16. Set Output Condition and 107
Output Duration 107
17. Clear Package Count 108
18. Read Package Count 109
19. Reset Decoder 109
Values, Save to EEPROM and 109
21. Save Configuration to 110
EEPROM and Restart 110
22. Save Configuration to 110
EEPROM (No Restart) 110
23. Set Scanner Control 111
24. Set Bar Code Specific 112
Chapter Objectives 113
RS-485 Command Protocols 113
RS-485 ASII Command Protocol 113
RS-485 PCCC Command 114
Protocol 114
00001000 115
PCCC Commands 116
00000001 117
01000001 119
Unprotected Read Example 120
HI Byte LOW Byte 120
01001000 123
00000110 126
01000110 127
DIAGNOSTIC LOOP REPLY 130
(SAME DATA AS COMMAND) 130
RESET COUNTERS REPLY 130
Power Input Fuse Replacement 132
Module Fuse Replacement 133
Troubleshooting 134
Specifications 136
Output Modules 137
Input Modules 137
Using a Lear Siegler ADM 3E 138
Terminal for Programming 138
Using a DEC-VT100 for 139
Programming 139
Using a Catalog Number 140
1784-T45 Terminal for 140
Default Parameters of Decoder 143
ASCII Conversion Table 145
Configuration Areas of Memory 146
Protocol Selection 153
Transmission Check 154
Glossary 156
Cautions and warnings 160
T45 terminal 165
Warnings and cautions 166
With major offices worldwide 167

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