Microscan MS-4X Bedienungsanleitung PDF herunterladen (Seite 301)

Glossary of Terms

MS-880 Industrial Long Range Scanner User’s Manual A-45

Appendices

Host. A computer, PLC, or other device that is used to execute commands and pro-

cess data and discrete signals.

Host Port. The pins or connections on a scanner or other device that physically con-

nect with a host and—using the RS-232, RS-422, or RS-485 standards—pass data and

serial commands from one device to another.

Initialize. Implement serial configuration commands into the scanner’s active memory.

Input. A channel or communications line. Decoded data or a discrete signal that is

received by a device. See Output.

Intercharacter Delay. The time interval in milliseconds between individual charac-

ters transmitted from the scanner to the host.

Intercharacter Gap. The extra space between the last element of one character and

the first element of the adjacent character of a specific bar code symbol.

IrDA. Infrared Data Association which promotes interoperable, infrared data intercon-

nection standards.

Label Height. Regardless of orientation, the measurement taken along the length of

a label’s individual bars.

Label Length. Regardless of orientation, the measurement taken across the label's

bars from one end to the other, including the quiet zone.

Label Speed (LS) is the distance per second that a label moves as it travels through

the scan lines.

Label Transitions. The transition of bars and spaces on a label, used to detect the

presence of a label on an object.

Ladder Label Orientation. A bar code label in which the bars are parallel to the

label’s direction of travel.

Large Intercharacter Gap. Allows the scanner to read symbols with gaps between

bar code characters that exceed three times (3x) the narrow element width.

Laser Framing. Setting scan width size by adjusting the on/off duration of the laser

beam.

Laser On/Off. When enabled, the laser is ON only during the read cycle, provided

the scanner is enabled for a Serial or External trigger.

LED. Light emitting diode.

Longitudinal Redundancy Check (LRC). An error-checking routine that verifies the

accuracy of transmissions.

Master Scanner. First scanner in a daisy chain mode and linked directly to the host

and in tandem to slave scanners.

Matchcode. The ability to compare bar code labels being scanned against a master

label that is stored in the memory of the scanner.

Embedded Menu. Configuration options embedded in the scanner’s erasable mem-

ory.

ESP-MP Menu. Easy Setup Program—Multiple Platform. Configuration program that

runs in Windows-based operating systems 95 and above.

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