Model: TTT-710
7.1 Interface Specifications
- 74 -
7. RS-232C Interface
With this product, data can be sent and received by connecting it to a PC by RS-232C.
7.1 Interface
Specifications
(1) Communication
conditions
Transmission system
: Asynchronous, half-duplex
Transmission speed (baud rate) : Selected from among 9600, 4800, 2400, 1200, 600, or 300 bps
Start bit
: 1bit
Character (data length)
: Selected from 7 or 8 bits
Parity
: Selected from among none, odd, even
Stop bit
: Selected from 1 or 2 bits
* The factory settings are 4800 bps, start 1 bit, data length 8 bits, no parity, stop 2 bits.
(2) Connector and pin arrangement
The connector used is D-sub 9 pins male connector.
Pin No.
Signal symbol
Signal name
Direction*
1 No
Connection
−
−
2
SD (TXD)
Send data
Input
3
RD (RXD)
Receive data
Output
4
No Connection (DSR)
−
−
5
SG (GND)
Signal ground
−
6
No Connection (DTR)
−
−
7
CS (CTS)
Ready for sending
Output
8
RS (RTS)
Request to send
Input
9 No
Connection
−
−
*Direction shows the case viewed from the PC side.
Summary of Contents for TTT-710
Page 115: ... 114 ...
Page 117: ... 116 ...
