Instruction Manual

A-5
1 Specifications
Appendices
 N-R4
Model N-R4
Power supply for the barcode reader 5 V DC ±5% (650 mA)
Display
9 LEDs (Power supply status, data transmission/reception status,
I/O terminal status)
Terminating resistance 100 
Input terminal
No. of pins 2 (IN1, IN2)
Input format Bidirectional voltage input
Rated input load 26.4 V DC
Minimum ON voltage 15 V DC
Maximum OFF current 1 mA
Output terminal
No. of pins 4
Output format Photo MOS relay output
Rated output load 30 V DC, 100 mA
Leakage current when
off
0.1 mA max.
Residual voltage when
on
1 V max.
Head interface
Connector 1 (12-pin round connector)
Communication
standard
RS-232C compliant
Flow control Hardware/software/none selectable
Host interface
Connector 1 (removable 5-pin connector)
Communication
standard
Switchable between RS-422A/RS-485
Total extension length 1.2 km or less
Environment
resistance
Ambient temperature 0C to +50C
Ambient storage
temperature
-20C to +60C
Relative humidity 35% to 85% (No condensation)
Operating atmosphere
No dust or corrosive gas present
Vibration resistance 10 to 55 Hz Amplitude 1.5 mm in each of X, Y and Z over 2 hours.
Ratings
Power source voltage 24 V DC +10%, -20%
Current consumption 380 mA max.
Weight Approx. 135 g (Excluding the connector)