ETS-Lindgren 2090 Controller User Manual

Page 163

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Model 2090 Multi-Device Controller

E007

Communication Lost
This indicates that the Model 2090 has lost
communication with the motor base. This is the only
automatically recoverable error, where, if
communication is restored, the Model 2090 will
automatically clear the error condition. If the user clears
the error and communication has not been restored, the
Model 2090 will indicate an offline condition by
displaying five dashes (

-----

) in the display. The

Model 2090 may also switch from the offline display to
the “

E007

” if a program sends GPIB commands in an

ttempt to communicate with a device.

lown fuse on the

otor base); reversed fiber optic connections (must be

to IN); a bad or broken fiber or

at the

ther end). It may be necessary to cup a hand around the

his point of light. Note that even if the

cycling power to the

device and the Model 2090 to

tronics.

or po

red on. However, it is still recommended

otor base be powered on before the Model

2090.

This error, or the offline condition, can be caused by
power loss at the device (including a b
m
IN to OUT and OUT
fiber optic connector; or an electronic failure of the
device. Verify that a small red light can be seen coming
out of the OUT connectors on both the interface panel of
the motor base and the back of the Model 2090. Verify
that a pinpoint of red light can be seen coming out of the
fiber going into the IN ports of the motor base and
Model 2090 (while connected to the OUT port
o
fiber to detect t
light is visible, there may still be a break in the fiber that
reduces the light received below that which the devices
can register, or which may cause intermittent operation.
If available, try switching to another fiber optic cable if
nothing else works. Finally, try

reset the elec

Unlike older versions of the Model 2090 firmware, this
version is now capable of recovering from a
communication loss at any time, as well as detecting
when a device is attached

wered on after the Model

090 is powe

2
that the m

E008

Flotation Violation
For air flotation turntables, this error indicates that an
attempt was made to manually deflate the table while it
was in motion. The Model 2090 will not allow this to
occur and warns the user by displaying this error.

163

Revision G– P#399199

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