Rockwell Automation 1771-DB Basic Module User Manual - Series A - Manual (Page 12)

Introducing the BASIC Module
Chapter 2
2–2
Figure 2.1
BASIC Module Front Edge
Your module is a one-slot module with the following functions and
features:
13 K bytes of battery backed RAM for user programs.
32 K bytes of EPROM storage for user software routines.
One RS-423A/232C compatible serial communications
port(PROGRAM port) which works with ASCII terminals providing
operator program interaction, command level input printer output, etc.
The program port baud rate defaults to 1200 baud. Initially you must set
your terminal for 1200 baud. Use CALL 78 to change the program port
baud rate. The program port is fixed at no parity, 1 start bit, 1 stop bit
and 8 data bits.
It also supports XON/XOFF for interruption of LISTing or to suspend
data output from the program port.
2.2
General Features (continued)
2.3
Hardware Features