User`s manual

66
Magtrol Model DSP6001 Dynamometer ControllerChapter 8 – Computer Controlled Operation
OPERATION
8.1.2 CHanging tHe gpiB priMary aDDreSS
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 DSP6001 is 09.
Some PC 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 DSP6001 uses the 4-bit format. For
setup, follow the steps below.
1. Press the SHIFT button and release.
2. Press the COM SETUP button. The display should appear as follows:
POWER
BRAKE STATUS SET POINT SET POINT P I D
TORQUE SPEED STATUS
Figure 8–2 Com Setup Menu Display
3. Press the button below the GPIB display until the desired primary address is reached (range
0-15).
4. Press SHIFT to exit and return to main menu.
8.2 ABOUT THE RS-232 INTERFACE
The DSP6001 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-TX, 3-RX and 5-GND.
5. GND
1.
6.
9. N/C
3. RX
8.
2. TX
4.
7.
14 3 25
69 8 7
Figure 8–3 RS-232 Interface
8.2.1 ConneCtion
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 your local electronics store.