Magtrol 6400, Руководство пользователя, Страница: 32 / 56

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Magtrol Model 6400 Torque Transducer Display Chapter 5 – Computer Controlled Operation
OPERA
TION
5.1.2 C
HANGING THE
GPIB P
RIMARY
A
DDRESS
Each instrument serviced by the GPIB has its own primary address code, which enables the computer
to obtain readings from the instrument. The factory default of the setting on the 6400 is 11.
Some personal computer interfaces can access from one to fifteen 4-bit primary addresses. Other
interfaces can access as many as thirty-one 5-bit primary addresses. The 6400 uses the 4-bit format.
For setup, follow the steps below.
1. Press and release SHIFT.
2. Press and release SETUP . "MENU: SYSTEM" appears in the display.
3. Press and release UP
S
button twice. "MENU: I/O" appears in the display.
4. Press and release SHIFT twice. The GPIB Address Setup Menu (as seen in Figure 4–15)
appears in the display.
5. Use UP
S
and DOWN
T
buttons until desired primary address is reached (range: 0 to 15).
6. Press and release SHIFT twice to return to main menu
5.2 ABOUT THE RS-232 INTERFACE
The 6400 is equipped with an RS-232 (serial) interface that communicates with the host computer
through a DB-9 interface connector. The connector pin-out consists of 2-RX, 3-TX and 5-GND.
5. GND
1. 6.
9.
3. TX 8.
2. RX
4.
7.
1 4 3 2 5
6 9 8 7
Figure 5–2 RS-232 Interface
5.2.1 C
ONNECTION
The RS-232 requires null modem wiring. To install use a null modem connector cable, which can
be purchased from your local electronics store.
DIGITAL GROUND
4.
2.
3.
6.
1.
5.
7.
8.
9.
6400 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)
RX
TX
GND
Figure 5–3 Cable Connection Using Null Modem