Remote Processing CX-10 User Manual
Page 24
SERIAL PORTS
BASIC
SECTION 4
Page 4-7
1
2
9
10
Figure 4-6 Serial port
pinout (Top view)
COMMANDS & REGISTERS
The following is a list of Baisic commands and registers
used for serial I/O. Register are explained in Appendix
A. Basic commands and functions are explained in the
Basic Programming section in this manual.
Command
Function
4810
Set COM3 operating mode
4811
Set modbus ID
4813
COM 3 baud rate
4815
Modbus timeout timer
4823
Switch 5V and battery power
control.
GET or
GET(n)
Returns a character from the serial
buffer.
LIST
Outputs program listing
Outputs data in various formats
PRINT #,
Prints to a specified port or if
COM 3 in modbus mode, send out
modbus message.
SPC
Print out n number of spaces
TAB
Tabs to predetermined positions
USING
PRINT formatting statement
RS-232 PORT PIN OUT
Pin outs for J1 and J2 are shown below. Unused pins are
open.
J1
COM 0
J2
COM 1
Name
Direction
from card
1
1
Battery supply
Out
3
3
TxD
Out
5
5
RxD
In
8
8
Switched 5V
Out
9
9
Ground
10
10
+5V
Out
Switched 5V is controlled by register 4823.