| Features:
Display:
The L9100 includes a 100-segment bar display consisting of
rectangular high-intensity tricolour LED's digitally programmable
as either red, green or amber. The bar display also includes 3
digitally programmable marker LED's. An 8-segment 0.2" high
alpha-numeric display is also included, and is used for both
programming and part dimension display.
Ranges: A total of 100
inch ranges are provided, from 1 Thou to 100 Thou; 100 Metric Ranges are
provided from 20 to 2000 microns.
Security: When engaged, a
5-digit Primary Security Code prevents unauthorized access to the programming
menus; a Secondary Security Code when engaged, prevents access to both the Part
Selection and Automastering functions.
Dual Part Operation: In
one simple step, the operator may select from 1 of 2 available part
configurations. Each setup has independent calibration settings, ranges, and
limit and mastering setups which are stored in the column. No re-mastering is
required when changing between setup fixtures.
Automastering:
Once Min and Max master values have been programmed, the operator needs only to
press the <Enter> button as prompted by the display readout. The column
will automatically calibrate itself. If an error occurs in this process (ie
incorrect masters etc.), then an error message will be displayed and the column
will maintain its original calibration settings. A master automaster pushbutton
connection (for multiple columns) is also available on the column rear. In
addition to Min/Max mastering, the column can also be set up for Mean
mastering.
Total Indicating Readout (TIR): When TIR mode is
selected, the column will display the difference between the maximum and minimum
signals, and will hold that position on the display until the values are
exceeded, or a reset is performed. This feature is often used when measuring a
parameter such as 'out-of-round' , when a part is rotated in a fixture. TIR may
be set to ON either via the programming menu, or an optional front-panel mounted
switch with reset pushbutton. TIR may also be reset via a remote pushbutton,
connected to the rear of the unit. The Auto-Reset feature, when engaged, will
trigger a TIR reset each time a new part is placed in the gaging fixture; the
reset is based on the display position as a result of part replacment, and
incorporates a programmable time delay.
Actual Value Display:
L9100 columns can be programmed to display measured values either as a
tolerance, or as actual part size, on the digital display. To display actual
part size, the nominal value of the part measurement is programmed into the
column, and it is digitally added to the tolerance measurement before being sent
to the digital display.
Data Communication: The L9100 Column
Gages have a standard RS232 communications port for interface to another device.
The most common application of this is for the transfer and storage of data
readings to a computer. A 9-pin subminerature 'D' connector on the rear of the
column allows connection to a PC using a standard serial cable.
When a
reading is taken, the column station number, column number, and gaged reading
are sent to the serial port according to an established protocol. A connector
on the rear of the column provides the interface for connection to either a
'Read' button, or to relay contacts in an automated system. When the contacts
are closed, a reading is transmitted from the serial port.
When
multiple columns are used at a gaging station, they may be 'daisy-chained'
together for serial communications. Short jumper cables interconnect the
columns at the rear. The serial cable connects to only the first column in the
chain. When a reading is taken, all of the columns transmit their data, one
after another in sequence through the serial port, thereby requiring only one
cable from the column gaging station to the PC.
A software package is
available which can be installed on a PC and receives incoming data from the
columns (up to 4 stations, and 32 columns/station). The gaged values are stored
in a database along with column and station numbers and time and date of
readings. The package enables the user to produce statistical graphs such as
x-bar & R plots and histograms, and has a menu driven routine for doing
Repeatability & Reproducibility evaluations.
The L9100 column
includes several options of serial protocols which can be selected to provide
interface to other commercially-available software.
Status
Outputs: In the standard configuration, 3 hard-wired output connections are
available on the column rear for limit status, where the output is normally 0
volts, and goes to +5 volts when the status is reached. Three programmable
limit output types are available for these outputs.
Output type 1
provides the normal spec limits of HI, OK and LO through the three output lines.
Output type 2 provides Approach LO, OK, and Approach HI through the same three
output lines. Output type 3 provides Approach HI or LO, OK, and Spec Limit HI
or LO. These are all provided as standard on the L9100.
As an option
& special order, all 5 status outputs can be brought individually. These
include spec HI, Approach HI, OK, Approach LO, and Spec LO.
Relay
Outputs: Customers may optionally order L9100 Columns with relay outputs.
When relays are included, the status connectors on the rear of the column which
are normally used for the voltage outputs described above, are instead used for
the relay contact outputs. Relays are normally open/normally closed contact.
Contact ratings are 2 amps max @ 30Vdc or 0.6 amps max @ 120
Vac.
Step Gaging: Step Gaging may be performed with the L9100
columns when data is being sent to a computer (sing the L9100 Column Data
Acquisition Software, or other custom software). Step gaging allows groups of
columns at a station to transmit their data at different times during a gaging
cycle, and yet requires only one serial connection to the computer from that
station. Each group of columns are connected by the optional LC0710 Step Gaging
Module
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