4 scan analysis mode selection, Control module configuration – Banner A-GAGE High-Resolution MINI-ARRAY Series User Manual

Page 26

Advertising
background image

P/N 64118 rev. B

Control Module Configuration

26

5.3.4 Scan Analysis Mode Selection

The control module may be programmed, if desired, for any one or two of seven Scan

Analysis (measurement) Modes. Each selected mode may be assigned individually to

an output (see section 5.3.5 or 5.3.6). The beams in the array are numbered in

sequence, with beam #1 located at the cabled end of the emitter and the receiver.

“Beam Location” Modes

•   First Beam Blocked (FBB): The control module identifies the location of the First

Beam Blocked.

•   First Beam Made (FBM): The control module identifies the location of the First

Beam Made (unblocked).

•   Last Beam Blocked (LBB): The control module identifies the location of the Last

Beam Blocked.

•   Last Beam Made (LBM): The control module identifies the location of the Last

Beam Made (unblocked).

•   Middle Beam Blocked (MBB): The control module identifies the location of the

Middle Beam Blocked, midway between the first and last beams blocked.

“Beam Total” Modes

•   Total Beams Blocked (TBB): The control module totals the number of blocked

beams.

•   Total Beams Made (TBM): The control module totals the number of made

(unblocked) beams.

Contiguous Beams Blocked (CBB): The control module identifies the largest number

of consecutively blocked beams.

Contiguous Beams Made (CBM): The control module identifies the largest number

of consecutively made beams.

Transitions (TRN): The control module counts changes from blocked to clear and

clear to blocked. For instance, if beams 6-34 are blocked, then there is a clear-to-

blocked transition from beam 5 to beam 6, and a blocked-to-clear transition from

beam 34 to beam 35. Transition mode can be used to count objects within the array.

The Analysis Mode(s) programmed may be assigned to any one of the available

outputs (see Figure 5-18). Each output can be set for MEAS1, MEAS2, MEAS1

Inverted or MEAS2 Inverted.

5.3.5 Analog Output Configuration (Analysis Mode Assignment)

Analog outputs #1 and #2 may each be assigned to one of the analysis modes

described in section 5.3.4. When the selected Scan Analysis Mode involves first or

last beam blocked or made (unblocked), the assigned output will vary in proportion to

the beam number identified during a scan. When the Scan Analysis Mode involves

total beams blocked or made, that assigned output will vary in proportion to the total

beams counted during a scan.

Note that the pull-down menus used for assignment of the Scan Analysis Modes to

the analog outputs include two “Inverted” selections. When either MEAS1 Inverted or

MEAS2 Inverted is selected, that analog output will decrease as the measurement

mode value increases. An inverted output will be at full scale (Span value) when the

scan analysis value is zero; and at maximum scan analysis value, the output will be at

the Null value.

Figure 5-18. Assigning an Analysis Mode to

each Analog Output

(PSF Configuration screen)

Figure 5-17. Examples of MINI-ARRAY scan

analysis modes

Figure 5-16. Scan Analysis Mode Selection

(PSF Configuration screen)

Last Beam Made (LBM)

First Beam Made (FBM)

Receiver

Emitter

8

16

24

32

40

48

Last Beam Blocked (LBB)

First Beam Blocked (FBB)

Receiver

Emitter

8

16

24

32

40

48

Total Beams Made (TBM)

Total Beams Blocked (TBB)

Receiver

Emitter

8

16

24

32

40

48

In Last Beam Blocked mode,

last beam is #43 of 48

In First Beam Blocked mode,

first beam is #15 of 48

In Last Beam Made mode,

last beam is #37 of 48

In First Beam Made mode,

first beam is #26 of 48

In Total Beams Made mode,

34 of 48 possible beams are

made

In Total Beams Blocked mode,

14 of 48 possible beams are

blocked

Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com • Tel: 763.544.3164

Advertising