Opticon NLV-5201 - Signal Level; RS-232 C Interface Circuit; Figure 5: Interface Circuit (RS-232 C)

NLV-5201 Specifications Manual
11
8.1.3 Signal Level
Signal names are based on signals transmitted from the imager scanner to the host.
Signal Levels
Name
IN/Out
Voltage (V)
Mark
Space
TxD
OUT
-5 to -15
+5 to +15
RxD
IN
-3 to -15
+3 to +15
RTS
OUT
-5 to -15
+5 to +15
CTS
IN
-3 to -15
+3 to +15
Signal Level Sequencer Signal (Loose End, Only)
Name
IN/Out
Voltage (V)
L Level
Space/ON
Trigger
IN
-0.3 V - 0.6 V
3 V - Vcc+0.3 V
OK
OUT
0.3 V/10 mA
Vcc
NG
OUT
0.3 V/10 mA
Vcc
Trigger
IN
-0.3 V - 0.6 V
3 V - Vcc+0.3 V
8.1.4 RS-232C Interface Circuit
Figure 5: Interface Circuit (RS-232C)
Barcode
reader main
circuit
VCC
DC 5V
+
Load
MAX DC 24V
+
TxD
RxD
RTS
CTS
OK / NG
Trigger
S-GND
F-GND
TxD
RxD
CTS
RTS
External
device
NLV-5201