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Section 2 - Technical Specifications
V520-LHA7127
Curvature
Electrical Specifications
Operating Voltage +5 VDC ± 5%
Current:
• Operating 158 mA typical; 220 mA max.
• Static 150 mA max.
• Surge 3 A max.
RS-232C Communications Specifications
RS-232C Data Transmission Format
RS-232C Transmit / Receive Character Format
RS-232C Data Format
RS-232C Signal Level
h
JAN 13: R = 30 mm (1.2 in.) or
JAN 8: R = 20 mm (0.8 in.) or
Where: PCS 0.9, h = 35.4
α
2 = 10
˚,
β
= 0˚,
θ
= 0˚
Parameter Default Optional Settings
Timing Asynchronous --
No. of start bits 1 bit --
No. of stop bits 1 bit 1 or 2 bits
No. of data bits 8 bits 7 or 8 bits
Parity None Odd/Even/None
Baud Rate 9600 Baud 300 to 38,400 Baud
Handshaking None Hardware/Software/None
TXD/
RXD
Start
Bit
LSB
7 or 8
Data Bits
MSB
Parity
Bit
Stop
Bit
Transmit Decoded Data CR
Receive ESC Command CR
STX Command ETX
Signal Name In/Out Mark/Off Space/On
TXD
RXD
Out
In
-5 to -15
-3 to -15
+5 to +15
+3 to +15