14
OPERA
TION
5. Computer Controlled Operation
The 3410 Torque Display can be used with a personal computer for standard or custom torque and
encoder setups. Using the 3410 with a computer enables the unit to perform at its full capacity.
5.1
ABOUT THE RS-232 INTERFACE
The 3410 is equipped with an Isolated RS-232 (serial) interface that communicates with the host
computer through a DB-9 interface connector. The connector pin-out consists of 2-TX, 3-RX and
5-GND.
5. GND
1.
6.
9. N/C
3. RX
8.
2. TX
4.
7.
1
4
3
2
5
6
9
8
7
Figure 5–1 RS-232 Interface
5.1.1
C
onneCtion
The RS-232 connection includes null modem wiring internal to the unit. To install, use a straight
through pin-to-pin connector cable, which can be purchased from you local electronics store.
(PIN TO PIN)
CABLE CONNECTION
STRAIGHT THROUGH
DIGITAL GROUND
4.
2.
3.
6.
1.
5.
7.
8.
9.
3410
PC
5. GND (SIGNAL GROUND)
1. DCD (DATA CARRIER DETECT)
6. DSR (DATA SET READY)
3. TX (TRANSMIT DATA)
2. RX (RECEIVE DATA)
4. DTR (DATA TERMINAL READY)
9. RI (RING INDICATOR)
8. CTS (CLEAR TO SEND)
7. RTS (REQUEST TO SEND)
TX
RX
N/C
GND
Figure 5–2 Cable Connection
5.1.2
C
ommuniCation
P
arameters
• Default Baud Rate - 115200
• No parity
• 8 data bits
• 1 stop bit