RS232 Port
PSI BOX Reference
Setting The Parity Options.
________________________
DIP switches 5 and 6 on switch block 2 are used to set the
RS232 parity options. The parity may be enabled (on) or
disabled (off), when parity is enabled then the parity bit sent
may be either even parity or odd parity.
RS232 Stop Bits.
_______________
The number of stop bits sent by the PSI BOX is
determined by the parity and data word length chosen.
No Parity.
2 STOP bits are always sent.
Parity Enabled.
7 data bits gives 2 STOP bits.
8 data bits gives 1 STOP bit.
Setting The Data Word Length.
___________________________
_
DIP switch 7 on switch block 2 is used to set the RS232
data word length. The data word may be either 7 or 8 bits long.
Figure 5-6. The Data Word Length.
_______________________________
Ú
7 7-Data Bits
³
å
on
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³ããããããäã³
æ
off
³
12345678
³
ÀÄÄÄÄÄÄÄÄÙ
DIP 7
DATA WORD LENGTH CHOSEN.
_____
________________________
0=Off
8 BITS
1=On
7 BITS
Chapter 5
Page 43
