S
MART
AXIS P
RO
/L
ITE
U
SER
'
S
M
ANUAL
FT9Y-B1378
10-13
10: U
SER
C
OMMUNICATION
I
NSTRUCTIONS
DTR Output Control Signal Option D8106
Special data register D8106 is used to control the DTR (data terminal ready) signal to indicate the SmartAXIS operating status or
transmitting/receiving status.
The DTR control signal option can be used only for the user communication through the RS232C port 2 to port 3.
The control status of each port is allocated as shown below:
Bit 15
0
2
0
1
0
0
D8106
0
3
Port 2
Port 3
D8106
2-bit Binary Value
Description
00
While the SmartAXIS is running, DTR is on whether the SmartAXIS is transmitting or receiving data. While the
SmartAXIS is stopped, DTR remains off. Use this option to indicate the SmartAXIS operating status.
01
Whether the SmartAXIS is running or stopped, DTR remains off.
10
While the SmartAXIS can receive data, DTR is turned on. While the SmartAXIS can not receive data, DTR remains off.
Use this option when flow control of receive data is required.
11
Same as D8106 = 00.
SmartAXIS
DTR signal
ON
OFF
Stopped
Running
Stopped
SmartAXIS
DTR signal
ON
OFF
Stopped
Running
Stopped
DTR signal
ON
OFF
Possible
Impossible
Impossible
Receive
Summary of Contents for FT1A-B12RA
Page 1: ...FT9Y B1378 5 ...
Page 2: ......
Page 208: ...7 DEVICE ADDRESSES 7 16 SMARTAXIS PRO LITE USER S MANUAL FT9Y B1378 ...
Page 226: ...8 INSTRUCTIONS FUNCTION BLOCKS REFERENCE 8 18 SMARTAXIS PRO LITE USER S MANUAL FT9Y B1378 ...
Page 340: ...13 SCRIPTS 13 36 SMARTAXIS PRO LITE USER S MANUAL FT9Y B1378 ...
Page 385: ...SMARTAXIS PRO LITE USER S MANUAL FT9Y B1378 A 19 APPENDIX Japanese Font JIS X0201 ...
Page 386: ...APPENDIX A 20 SMARTAXIS PRO LITE USER S MANUAL FT9Y B1378 ...