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Chapter 2 Communications

MS-820 Industrial Bar Code Scanner User’s Manual 2-5

2–Communications

RS422 Status

Definition: Enables RS422. When RS422 is enabled, RS232 is enabled.

Usage: Only changed if necessary to match host setting.

Serial Cmd: <Kbstatus>

Default: Disabled

Options: 0 = Disabled 1 = Enabled

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 221 222

Industrial 1
Bar Code Scanner 1
User's Manual 1
Table of Contents 4
List of Figures 8
List of Tables 9
About This Manual 10
Host Communications 10
Keystrokes 10
Approvals 10
Safety Labels 11
Warning and Caution Summary 12
Quick Start 13
Step 1 — Hardware Required 14
Step 2 — Connect the System 15
Step 3 — Install ESP-MP 16
Step 4 — Select Scanner Model 17
1–Quick Start 18
Chapter 1 Quick Start 19
Communications 25
Communications by ESP 26
Communications 27
Host Port Parameters 28
RS422 Status 29
Auxiliary Port 30
Tra ns par en t Mode 31
Half Duplex Mode 32
Full Duplex Mode 33
Daisy Chain Mode 34
2–Communications 38
Protocol 39
Protocol by ESP 40
Protocol by Serial Command 40
Protocol 41
Protocol by Embedded Menu 41
Point-to-Point with RTS/CTS 43
Polling Mode D 43
User Defined Point-to-Point 44
User Defined Multidrop 46
Response Timeout 48
Intercharacter Delay 49
Output Data Format 50
Postamble Characters 51
3–Protocol 52
Read Cycle/Trigger 53
Read Cycle/Trigger by ESP 54
Read Cycle/Trigger 55
Trigger Mode 56
Continuous Read 1 Output 57
External Trigger Level 58
External Trigger Edge 59
Serial Data 60
Serial Data or External Edge 60
Trigger Filter Duration 61
Good Decode Reads 61
External Trigger State 62
4–Read Cycle/Trig 64
Timeout Duration 65
Multilabel 66
Number of Labels 67
Multilabel Separator 68
Code Types by ESP 70
Code Types by Serial Command 71
Code Types by Embedded Menu 72
Narrow Margins 73
Symbology ID 74
Background Color 75
Code 39 Status 76
Check Digit Status (Code 39) 76
Check Digit Output (Code 39) 76
Fixed Code Length (Code 39) 77
Full ASCII Set (Code 39 78
Codabar Status 79
Fixed Code Length (Codabar) 80
Check Digit Type (Codabar) 81
Check Digit Output (Codabar) 81
Interleaved 2 of 5 82
Chapter 5 Codes 83
UPC Status 84
EAN Status 84
Separator Status (UPC/EAN) 85
Separator Character (UPC/EAN) 86
Supplementals Type (UPC/EAN) 86
PDF417 Status 87
Fixed Code Length (PDF417) 87
(PDF417) 88
Code 128 89
UCC/EAN-128 90
Code 93 Status 93
Fixed Code Length (Code 93) 93
AIAG Identifiers 95
Autodiscriminate 96
Scanner Setup 97
Scanner Setup by ESP 98
6–Scanner Setup 100
Scanner Type 101
Scan Speed 102
Gain Adjustment 103
AGC Sampling 104
Scanner Setup 105
AGC Minimum 105
AGC Maximum 105
Transition Counter 106
Matchcode 107
Matchcode by ESP 108
Matchcode by Serial Command 108
Matchcode 109
Matchcode by Embedded Menu 109
Overview of Matchcode 110
Matchcode Type 111
Sequential Matching 112
Match Start Position 112
Match Length 113
Wild Card Character 113
Sequence On Noread 114
Sequence On Mismatch 115
Master Label Database 116
Enter Master Label Data 117
7–Matchcode 118
Delete Master Label Data 119
New Master Pin 121
8–Outputs 123
Chapter Contents 123
Outputs by Serial Command 124
Outputs by Embedded Menu 124
Outputs 125
Output Data by ESP Menu 125
Message Output 126
Noread Message 127
Bad Bar Code Message 128
No Bar Code Message 129
Bar Code Output 130
When to Output Bar Code Data 131
End of Read Cycle 132
Laser Control 133
Laser Off Percentage 134
Serial Verification 135
Control/Hex Output 136
Beeper Status 137
Partial Output 138
Operation Command Output 139
Discrete I/0 141
Discrete I/O by ESP Menu 142
Discrete I/0 143
Output 1 144
Active State 145
Pulse Width 145
Number Before Output 145
Output 2 146
Output 3 146
Diagnostics 147
Diagnostics by ESP Menu 148
Diagnostics by Serial Command 148
Diagnostics 149
Diagnostics by Embedded Menu 149
Warning Messages 150
Laser High Warning 151
Laser Low Warning 152
NOVRAM Corrupt Warning Status 153
High Temperature Threshold 154
Low Temperature Threshold 155
Lifetime Hours 156
Powerups 158
Time Since Last Reset 159
10–Diagnostics 160
Utilities 161
Utilities by ESP Menu 162
Utilities 163
Utilities by Serial Command 163
11–Utilities 164
File Transfer 165
Counters 166
Part Number 168
Checksum 169
Read Rate 170
Device Control 172
Code Type 173
Appendices 175
Figure A-1 MS-820 Dimensions 176
Table A-1 MS-820 Read Ranges 177
Appendix A 178
LED Indicators 178
Safety Certifications 178
Electrical Specifications 179
Pin Assignments 179
Optoisolator Outputs 180
Optoisolator Inputs 182
IB-131 Interface Module 183
Scanner to IB-131 184
Multidrop 185
Daisy Chain 185
Appendix D 186
Serial Configuration Commands 187
Serial Command Format 189
Serial Utility Commands 189
Control Characters 190
Appendix F — ASCII Table 191
Appendix F 192
Appendix G — Embedded Menus 193
Defaulting 194
Appendix H 196
Initializing 197
Loss of Communications 197
Position Object Detector 199
With a Static Label 200
Number of Decodes 200
With a Moving Label 200
Direction of label travel 201
Scan Line 201
Appendix M — Operational Tips 204
Interface Standards 205
Appendix O 206
Multidrop Communications 207
Polling Sequence 208
Select Sequence 209
Glossary of Terms 211
Appendix P 212
Wild Card Character 7-7 222
Windows NT i-ix 222
Zero Position 6-4 222

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