33Magtrol Model DSP7000 Dynamometer Controller C h a p t e r 3 – Installation/Con gurationSETUP5. Press SCALE I to add a filter if desired.6. Press ShIFT. The display should appear as follows:POWERBRAKE STATUS SET POINT SET POINT P I DTORQUE SPEED USER DISPLAYTSC1 MAX TORQUEXXXXFigure 3–26 TSC1 Setup Menu7. Press the ToRqUE UNITS button and use and buttons and Decrease/Increase dial toset maximum torque.8. Press ShIFT 3 times to complete the setup and return to the main menu.3.3 torque filter setupNote: Filter setup should take place after hardware installation and softwareconfiguration of the chosen testing instruments has been completed.See Chapter 3 – Installation/Configuration.There are six different Filter settings to choose from including 2 hz, 5 hz, 10 hz, 20 hz, 50 hz, 100hz and NoNE. The following instructions show how to select the desired Filter for each channel:1. Starting from the main menu, press ShIFT.2. Press SETUP button.3. Select DYNo.4. Select DYNAMoMETER.5. Press SCALE I button until the desired filter setting is reached.6. Press ShIFT repeatedly until the main menu is reached. The number of times will varydepending on testing instrument selection.7. To setup a filter for TSC2, press TSC to switch to TSC2 setup and follow the instructionsabove.3.4 instrumentation setup (speed)Note: Regardless of the input selected for the speed, the speed calculatedis made available to the USb/gPIb/RS-232 control loop at a rateof 488 samples per second and to the display at a slower rate ofabout 1/4 second.Tach A is designed to be used with a single output speed transducer. The maximum frequency intothe system when using the Tach A selection is 200 khz. The pulse per revolution (ppr) can be setfrom 1 to 99999 ppr.
