NCR 74 OFX (7874), User Manual

Page: 151 / 268

Chapter 5: Programming 5-43
RS232 Parameters 1
22772
Baud Rate
A
0
300
1
600
2
1200
3
2400
4
4800
5
9600
6
19200
Parity
B
Stop Bits
And
Character
Length C
Handshake D
0
Odd
1
Even
4
None
0
1 Stop Bit
7-Bit Character
1
1 Stop Bit
8-Bit Character
2
2 Stop Bits
7-Bit Character
3
2 Stop Bits
8-Bit Character
0
RTS Low
Ignore CTS
1
RTS High
Ignore CTS
2
Raise RTS
Wait For
CTS
3
Raise RTS
Ignore CTS
4
RTS Low
Wait For
CTS
5
RTS High
Wait For
CTS
Your Program
Baud
Rate
A
RS-232
Parameters - 1
2 0
Parity
B
Stop Bits
And
Character
Length
C
Handshake
D
The RS232 Parameters 1 programming mode contains four of the parameters required
for RS232 communications. From this programming mode the Baud Rate, Parity, Stop
Bits and Character Length, and Handshake Options can be selected. Refer to the
“Parameter Defaults” section earlier in this chapter for the factory defined default
value of each programming parameter.
Baud Rate
The Baud Rate parameter contains seven selections: 300 Baud, 600 Baud, 1200 Baud,
2400 Baud, 4800 Baud, 9600 Baud, and 19200 Baud. Scan the appropriate Hex 0
through Hex 6 tag to set the desired Baud rate.
Parity
The Parity parameter contains three selections: Odd, Even, and None. For 7 ‐ bit
characters, bit 8 is the parity bit; for 8 ‐ bit characters, bit 9 is the parity bit. Choosing no
parity and 7 ‐ bit character length causes the scanner to send two (2) stop bits; the
scanner must also receive two (2) stop bits. Scan the appropriate Hex 0 , Hex 1 , or Hex
4 tags to select the desired Parity.