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10
Interface Specification
The NLV-5201 interface is RS-232C (Loose end) or USB (COM/HID).
10.1
RS-232C Interface
For RS-232C serial communication with a host is computer.
10.1.1
Initial Communication Settings
Basic communication specs are as follows.
Item
Baud rate
Data length
Parity bits
Stop bits
*When using the RS-232 interface and the host COM port is not actively open, the scanned data cannot be sent
and NLV-5201 will make an error sound.
*With RS-232C, the scanner can transfer images.
10.1.2
Pin Assignment
Signal names are based on the signals transmitted from the scanner to the host.
Signal Name
VCC
Trigger
OK
NG
S-GND
RTS
CTS
TxD
RxD
Shield GND
10.1.3
Signal Level
Signal names are based on the signals transmitted from the scanner to the host.
Signal Name
TxD
RxD
RTS
CTS
Signal Level Sequencer Signal (loose end only)
Signal Name
Trigger
OK
NG
* OC output: Open Collector output
SPECIFICATIONS MANUAL
Communication spec
300 to 115200 bps
7 / 8 bits
None / Even / Odd parity
1 / 2 bit
Cable Color
Red
Power-supply voltage 4.5 - 5.5V (Typ.5V)
Brown
External trigger input terminal
Yellow
External OK output terminal
Orange
External NG output terminal
Black
Gray
Blue
Green
White
(Black)
Heat shrink tube
IN/OUT
OUT
IN
OUT
IN
IN/OUT
IN
OUT
OUT
Default setting
9600 bps
Note
Voltage(V)
Mark
-5 to -15
-3 to -15
-5 to -15
-3 to -15
Voltage(V)
L Level
-0.3V - 0.6V
3V - Vcc+0.3V
0.3V/10mA
OC output/Vcc+0.3V*
0.3V/10mA
OC output/Vcc+0.3V*
NLV-5201
1st
8 bits
None
1 bit
Space
+5 to +15
+3 to +15
+5 to +15
+3 to +15
Space/ON
22
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