Specifications

24
7 - T7 - T
7 - T7 - T
7 - T
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If you require additional assistance, please contact
Magtrol Customer Service at 1-800-828-7844 or 1-716-668-5555
PROBLEM REASON SOLUTION
Display indicates I/O ERROR
Command does not match the
unit's pro
g
rammed set of
instructions.
Use correct command and format.
Speed command sent, but
Controller does not respond.
Communication occured but the
Controller is not loadin
g
the motor.
Adjust PID values.
Mechanical power reads much
hi
g
her or lower than expected.
Torque units are incorrect.
Set torque input units to match the
specifications on dynamometer nameplate.
No GPIB communication Setup error and/or hardware fault.
Check:
• GPIB address of Controller
• GPIB cable: should be functionin
g
and
attached to Controller and computer
interface card.
No RS-232 communication Setup error and/or hardware fault.
Check:
• Baud rate of Controller
• Pinout of serial cable
• Cable attachment to Controller and serial
interface port of computer.
Dynamometer shaft does not
turn smoothly when BRAKE is
OFF.
Salient poles were set up on the
rotor by havin
g
brake current
applied with no shaft rotation.
Start the motor and brin
g
up to speed.
Press BRAKE button ON. Adjust output
current up to a value at least 25% of the
maximum torque ratin
g
of the dynamometer
in use (if possible). Reduce output current
to 0.