Two-piece sensing array with 2 analog and 2 discrete outputs, plus serial output
Features
A cost-effective, two-piece measuring light curtain designed for •
quick and simple installations with the sophistication to handle
the toughest sensing applications
Excels at high-speed, precise process monitoring and inspection, •
profiling, and web-guiding applications
A comprehensive combination of scanning options: •
– 14 measurement (“scan analysis”) modes
– 3 scanning methods
– Selectable beam blanking
– Selectable continuous or gated scan initiation
– Selectable threshold setting for semi-transparent applications
– 2 analog outputs, 2 discrete outputs, plus Modbus 485-RTU
serial output
Outstanding 4 meter range with 5 mm beam spacing•
Available in 12 lengths from 150 mm to 2400 mm•
Excellent 5 mm minimum object detection or 2.5 mm edge •
resolution, depending on scanning method
Receiver user interface for quick, intuitive setup of many common •
applications:
– 6-position DIP switch for setting scan mode, measurement
mode, analog slope, discrete output 2 option (complementary
measurement or alarm operation)
– 2 push buttons for gain method selection and alignment/
blanking
– 7 Zone LEDs for instant alignment and beam blockage
information
– 3-digit display for sensing information and diagnostics
Software PC interface available for advanced configuration setup•
Remote teach wire option for alignment, gain settings, inverted •
display, and DIP switch disable
WARNING . . .
Never use these products as sensing devices for personnel protection. Doing so could lead to serious injury or death.
These sensors do NOT include the self-checking redundant circuitry necessary to allow their use in personnel safety applications. A
sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Consult your current Banner
Safety Products catalog for safety products which meet OSHA, ANSI and IEC standards for personnel protection.
The A-GAGE™ EZ-ARRAY™ measuring light screen is ideal
for such applications as on-the-fly product sizing and profiling,
edge-guiding and center-guiding, loop tensioning control, hole
detection, parts counting, and similar uses (see Figure 1-1).
Emitters and receivers are available with arrays from 150 to
2400 mm (5.9" to 94.5") long. The emitter has a column of
infrared light emitting diodes (LEDs) spaced 5 mm apart; their
light is collimated and directed toward the receiver, positioned
opposite the emitter, which has photodiodes on the same
5 mm pitch. The light from each emitter LED is detected by the
corresponding receiver photodiode.
This sophisticated light curtain is capable of detecting opaque
cylindrical objects as small as 5 mm in diameter or measuring
part edges within 2.5 mm, depending on the scanning method
selected (see Section 1.6). The sensing range is 400 mm to 4 m
(16" to 13').
The EZ-ARRAY’s two-piece design makes it economical and
easy to use. Controller functionality is built into the receiver
housing. It can be configured for many straightforward
applications simply by configuring the six-position DIP switch on
the front of the receiver (the receiver user interface). For more
advanced control, easy-to-use PC interface software is available
on the included CD to configure the sensors using a PC.
Installation is easy, too. The emitter and receiver housings can
be side-mounted or end-cap-mounted using the included endcap brackets; longer models also include a center bracket (see
Section 3.1).
Beam synchronization is achieved via the 8-conductor sensor
cables. Individual LEDs and a 3-digit diagnostic display on the
receiver provide ongoing visual sensing status and diagnostic
information. Comprehensive data is available to a process
controller via a combination of five outputs: two analog, two
discrete, and one Modbus 485-RTU serial.
1.1 System Components
A typical A-GAGE EZ-ARRAY has four components: an emitter
and a receiver, each with an integral quick-disconnect (QD)
fitting, plus an 8-pin QD cordset for the emitter and for the
receiver (see Figure 1-2). For applications that use the Modbus
RTU-485 interface, an additional 5-wire cable is used to connect
the receiver with a PC or process controller, via the Modbus
485-RTU connection. (A PC used with software version 1.1
for configuration must run on Windows
version 1.2, when available, will be compatible with Vista
Emitter Receiver
®
XP or 2000; software
™
.)
Figure 1-1. A typical A-GAGE EZ-ARRAY application
Banner Engineering Corp. •Minneapolis, U.S.A.
www.bannerengineering.com•Tel:763.544.3164
8-Pin Euro
Sensor Cordset
Optional PC for PC interface
software configuration
5-Pin Euro Communications
Cable for use with PC;
USB adapter not shown
Figure 1-2. A-GAGE EZ-ARRAY system components
P/N 130426 Rev. C1
Overview
A-GAGE EZ-ARRAY
Instruction Manual
1.2 Features
Built-in features in the EZ-ARRAY contribute to its ease of
use. Many features are available using either the user-friendly
receiver interface or the more advanced PC interface.
Built-in diagnostic programming and easy-to-see indicators on
the receiver simplify physical alignment and troubleshooting
(Figure 1-3); more advanced diagnostics are available via the
PC interface.
The receiver has a bright LED that indicates overall sensing
status (OK, marginal alignment, and hardware error). Two
other LEDs indicate serial communication status. Seven Zone
indicators each communicate the blocked / aligned status of oneseventh of the total array. A 3-digit diagnostic display provides
further diagnostic information, including number of beams
blocked, whether blanking is configured, and troubleshooting
codes.
The emitter has a red LED that signals proper operation (ON
when power is applied). See Section 1.4 for more information
about indicators and Section 4.5 for display codes and
troubleshooting.
The Alignment routine (Section 4.2 or Section 5.6) automatically
equalizes the excess gain of each beam for reliable object
detection throughout the array. This routine need not be
performed again unless the sensing application changes, or if
the emitter and/or receiver is moved.
Configurable beam blanking accommodates machine
components and fixtures that must remain in or move through the
light screen. Blanking may be set using the receiver interface,
the teach wire, or the PC interface.
The EZ-ARRAY light screen provides a wide selection of sensing
and output options, including measurement (“scan analysis”)
modes and scanning methods that can determine a target
object’s location, overall size, total height, or total width, or the
number of objects. Scanning may be continuous or controlled by
a gate sensor. Up to 15 systems may be networked, via Modbus;
see Section 5 and Appendix A.
1.3 Configuration via DIP Switch or PC Interface
Commonly used configuration options can be set up easily via
a six-position DIP switch located behind a hinged clear access
panel on the front of the receiver.
Access to the DIP switch can be prevented by using the screwon security plate to hold the clear access panel closed or by
disabling them via the PC interface.
For more advanced, individualized applications, use the supplied
PC interface software program (the “Banner Sensors GUI”;
Section 5) to configure the receiver. The menu-driven program
easily accesses the many scanning and output options. After
the desired options are selected, the combination of selections
can be saved in an .xml file, stored in the system configuration
computer, and recalled as needed. Communication between the
EmitterReceiver
Power ON
LED
Figure 1-3. A-GAGE EZ-ARRAY features
2 P/N 130426 Rev. C
Connection to 5-pin
Communication Cable
Under Hinged Access Panel:
Zone Indicators
Beam #1
(Closest to
Display)
Screw-on Security Plate
limits access to DIP switch
and push buttons
6-Position
Configuration
DIP Switch
3-Digit Diagnostic
Display
Alignment/Blanking
Push Button
Gain (Sensitivity Adjust)
Push Button
Status, Communication Active, and
Communication Error LEDs
Banner Engineering Corp. •Minneapolis, U.S.A.
www.bannerengineering.com•Tel:763.544.3164
A-GAGE EZ-ARRAY
Instruction Manual
Overview
sensors and a PC is accomplished via the serial output and
Modbus RTU-485 interface.
The software also provides alignment and diagnostics routines.
An Alignment screen displays the individual status of each beam
in the light screen, as well as the total number of beams, and
totals of beams blocked, made, and blanked. Built-in diagnostics
can be used to assess emitter and receiver status.
Outputs
In addition to the serial output (see above), all models have two
analog outputs and two discrete outputs.
The analog outputs are either 4–20 mA current or 0–10V
voltage, depending on model (see Section 2-1). They may be
configured (via DIP switch or PC interface) for either a positive
or negative slope.
Discrete output 1 is always used for measurement; discrete
output 2 may be used either for alarm or measurement
operation (selectable via DIP switch or PC interface). When
the receiver interface is used, discrete output 1 follows the
operation of analog output 1 (it conducts when the analog output
senses a target is present). When the PC interface is used for
configuration, both discrete outputs have full configurability,
including measurement mode, NPN or PNP polarity, and
normally open or normally closed operation.
Display Invert
For applications where the sensors must be mounted with the
display end at the top (so that the display is not right-reading),
the receiver’s diagnostic display can be inverted for easy
reading, either by use of the receiver’s remote wire (Section 1.5)
or the PC interface.
1.4 Status Indicators
Both the emitter and receiver provide ongoing visual indication
of operating and configuration status.
The emitter has a red LED that signals proper operation (ON
when power is applied).
into seven equal segments, each of which is represented by
one of the seven LEDs. The LED closest to DIP switch S6 (see
Figure 4-1) represents the group of optical channels closest to
the receiver display (the “bottom” group). The LED closest to DIP
switch 1 represents the far segment of channels.
These LEDs illuminate either green or red. When an LED is
green, no unblanked beams are obstructed in that segment.
When the LED is red, one or more beams in that segment is
obstructed.
Three-Digit Display
The 3-digit display has slightly different functions during normal
operation, alignment, and gain adjust modes. In normal operation
the display indicates current numerical value of the measurement
mode for analog output 1. The display also identifies the
following activated sensor functions: blanking and locked-out
user interface/electronic configuration, as shown in Figure 1-4.
(For directions for inverting the display, see Section 1.5 or 5.8.)
During blanking mode, the display reads “n”, followed by the
number of blocked beams in the array. During alignment mode, it
reads “A”, followed by the number of blocked, unblanked beams;
a period follows the A (“A.”) if blanking is configured.
During gain adjust mode, the display reads “
l” followed by “1” or
“2” to indicate the gain level. (A “1” represents high excess gain,
and a “2” represents low contrast.)
If a sensing error occurs, the display reads “c” followed by a
number that corresponds to the recommended corrective action
(see Section 4.5).
Blanking Indicator
The Blanking indicator will be visible (ON) when the blanking
feature is enabled. It appears as a period following the first digit
of the display.
Electronic Configuration Indicator
The Electronic Configuration indicator is ON when the sensor
configuration is defined by the PC interface, and not the DIP
switch and push buttons. When electronic configuration is
enabled, the DIP switch and push button settings are ignored.
The receiver has a bright Status LED that indicates overall
sensing status (OK, marginal alignment, and hardware error).
Two other LEDs indicate whether serial communication is active
or if there is a communication error. Seven Zone indicators
each communicate the blocked/aligned status of one-seventh
of the total array. A 3-digit diagnostic display provides further
diagnostic information: number of beams blocked, whether
blanking is configured, and troubleshooting codes. See Section
4.5 for display codes and troubleshooting.
Zone Indicators (Beams Blocked Segment)
Seven LEDs represent emitter/receiver alignment status. They
provide a visual aid for sensor alignment and monitoring objects
within the sensor’s field of view. The sensor array is partitioned
Banner Engineering Corp. •Minneapolis, U.S.A.
www.bannerengineering.com•Tel:763.544.3164
‘A’ in this
position indicates
Alignment mode
Figure 1-4. Indications provided by the receiver’s 3-digit display
Period ON
indicates
Blanking
Configured
Period ON indicates
Electronic Configuration
Enabled
P/N 130426 Rev. C 3
Overview
TTT
1x
2x
3x
4x
T
T
T
T
T
T
T
T
T
T
T
T
TT
T
TTT
1x
TTT
1x
TTT
1x
TTT
1x
TTT
1x
2x
T
T
T
TTT
1x
2x
T
T
T
TTT
1x
2x
T
T
T
TTT
1x
2x
3x
T
T
T
T
T
T
TT
A-GAGE EZ-ARRAY
Instruction Manual
Receiver Interface Status Indicators
The receiver has three status indicators: green/red System
Status, yellow Modbus Activity, and red Modbus Error. The
following table lists the indicator states.
Receiver Interface Status Indicators
LED IndicatorColorExplanation
System StatusGreenSystem is OK
RedMarginal Alignment or Hardware
Error; check 3-digit display*
Modbus
Activity
Modbus ErrorRedCommunication Error: Check
* Display shows “c”: See Section 4.5.
Display shows only numbers: Low Gain/Marginal Alignment condition.
See Section 4.5.
Access Alignment Mode“A” appears on 3-digit display
Yellow ON
or Flashing
Process
Activity detected on the Modbus
communication channel
cabling or Modbus master
controller
Remote Wire Procedure
0.05 sec. ≤ T ≤ 0.8 sec.
1.5 Receiver Gray (Remote Teach) Wire
The receiver gray (remote teach) wire is used to electronically
emulate the receiver push button functions (see Section 4.5) via
a process controller, to disable the DIP switches for security, or
to provide a gate input to initiate sensor scanning. Connect a
normally open switch between the receiver’s gray wire and dc
common, or connect the gray wire to a digital input (PLC) and
pulse the wire as indicated in Figure 1-5.
NOTE: A low level is 0 to 2 volts and a high level is 10 to 30
volts or circuit open. Input impedance is 22kΩ.
Remote TEACH/Gate in the System Config view of the PC
interface Setup screen (Section 5.8) determines the functionality
of the receiver gray wire, as follows.
• Disabled: (selected via the PC interface only) the remote
wire has no function (regardless of whether it is low or high).
Result
Figure 1-5. Remote wire Teach procedures
4 P/N 130426 Rev. C
Access Blanking Mode
Exit Blanking Mode
Alignment/Blanking
Exit Alignment ModeSensor returns to run mode
Access Gain Mode
Toggle Between Gain SettingsNumber changes from number “1” to “2”, back to “1”, etc.
Gain Method
Save Gain Level and Exit
Invert Display
Invert
Display
Receiver Interface
Enable/Disable
Enable/Disable
Receiver Interface
From Alignment Mode:
From Run Mode:
When correct level is displayed:
“n” appears on 3-digit display, along with number of
blocked beams
“A.” appears on 3-digit display (sensor returns to
alignment mode with blanking enabled)
“L” appears on 3-digit display, along with number “1” or
“2”, to designate gain level
Gain level is configured:
“1” = High-excess-gain setting
“2” = Low-contrast setting
Sensor returns to run mode
Display inverts from previous state; sensor continues in
run mode
The factory default is Receiver Interface enabled.
Four-pulsing the remote line saves the current settings
and disables the interface (the sensor continues to
operate using the saved settings; changes made to the
DIP switch will have no effect).
Repeating the process enables the Receiver Interface so
that settings can be changed.
Banner Engineering Corp. •Minneapolis, U.S.A.
www.bannerengineering.com•Tel:763.544.3164
A-GAGE EZ-ARRAY
Instruction Manual
Overview
When the gray wire is disabled, the receiver is in continuous
scan mode; it begins a new scan immediately after updating
the outputs from the previous scan. (Continuous scan is used
in most analog output applications and whenever continuous
updating of the outputs is acceptable.) The gray wire is always
enabled when in DIP switch mode.
• Remote Teach — The gray wire provides the full Remote
Teach functionality shown in Figure 1.5.
• Alignment/Sensitivity — This mode is an abbreviated version
of Remote Teach. It can perform the alignment and sensitivity
adjustment functions, but not the display inversion or DIP
switch enable/disable functions.
Gate Mode options can be selected via the PC interface only.
The gray wire provides a gate input pulse, typically from a dc
device such as an NPN-output photoelectric sensor or a PLC
discrete output. Refer to Section 5 for more information.
• Gate – Active High — The receiver scans whenever the gate
is pulled high.
• Gate – Active Low — The receiver scans whenever the gate
is pulled low.
• Gate – Rising Edge — The receiver scans once for each lowto-high gate transition. (Multiple transitions cannot be faster
than the sensor’s response for them to be reliably detected.)
• Gate – Falling Edge — The receiver scans once for each
high-to-low gate transition. (Multiple transitions cannot be faster
than the sensor’s response for them to be reliably detected.)
1.6 Scanning Method
One of three scanning methods may be configured:
• Straightscan
• Single-edgescan
• Double-edgescan(1,2,4,8,16,or32steps)
Straight Scan is the default mode, in which all beams are
scanned in sequence, from the display end to the far end
of the array. This scanning method provides the smallest
object detection size. Straight scan is used when low-contrast
sensitivity is selected or when single-edge and double-edge
scan cannot be used. The edge resolution is 5 mm (0.2"). When
low-contrast sensing is selected (used when measuring semitransparent objects), the minimum object detection size is 5 mm
(0.2") diameter. When high-excess-gain sensing is selected, the
minimum object detection size is 10 mm (0.4"). See Figure 1-5.
Single-Edge Scan is used to measure the height of a single
object. This scanning method is commonly used for box height
measurement. For single-edge scan, the receiver always
activates the first beam channel (or “bottom” beam, nearest the
display). When the first beam is blocked, the sensor performs a
binary search to hunt for the last beam blocked, as follows:
1. The receiver scans only the first beam until it is blocked (see
Figure 1-7).
2. When the first beam is blocked, the sensor looks to see
whether the middle beam is blocked or made (unblocked).
3. If the middle beam is made (unblocked), the sensor checks
the bottom quarter beam; if the middle beam is blocked, the
sensor checks the top quarter beam.
4. The routine continues to divide the number of beams in half
until the edge is found.
Single-edge scan can be used only for single, solid objects
that block the first beam (closest to the display). Because the
receiver checks only the first beam until it is blocked, single-edge
scan will not function when the item to be measured does not
block the first beam. Single-edge scan is also ineffective if the
object does not present a continuous blocked pattern.
Single-edge scan works only when the high-excess-gain setting
is enabled. When single-edge scan is selected, the sensor object
detection size is 10 mm and edge resolution is 2.5 mm.
Sensor response time is a function of sensor length and
scanning method. Maximum scan times are shown in Figure 1-6.
Straight Scan
Scanning Method
Minimum Object
Detection Size*
Edge Resolution
*MODS determined using a rod target object
Figure 1-6. The effect of scan mode and step size on minimum object detection size and edge resolution
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www.bannerengineering.com•Tel:763.544.3164
Low-
Contrast
5 mm
(0.2")
5 mm
(0.2")
High-Excess-
Gain
10 mm
(0.4")
5 mm
(0.2")
Single-Edge
Scan
10 mm
(0.4")
2.5 mm
(0.1")
12481632
10 mm
(0.4")
2.5 mm
(0.1")
Double-Edge Scan (per Edge)
Step Size (Number of Beams)
20 mm
(0.8")
2.5 mm
(0.1")
30 mm
(1.2")
2.5 mm
(0.1")
50 mm
(2")
2.5 mm
(0.1")
90 mm
(3.6")
2.5 mm
(0.1")
P/N 130426 Rev. C 5
170 mm
(6.8")
2.5 mm
(0.1")
Overview
A-GAGE EZ-ARRAY
Instruction Manual
Double-Edge Scan is used to detect two edges of a single
object, for example, to determine box width measurements.
Double-edge scan requires the selection of a step size: 1, 2,
4, 8, 16 or 32 beams. The sensor uses the steps to “skip” over
beams, as follows:
1. The sensor activates beam 1 (closest to the sensor display end).
2. The sensor activates the next beam, determined by the step
size. (For example, if the step size is 2, beam 3 is next; if the
step size is 8, beam 9 is next.)
3. As long as the activated beam is made (unblocked), the sensor
continues the stepping routine until a blocked beam is found.
4. When a blocked beam is found, a binary search is conducted
to find the object’s “bottom” edge.
Step #1Step #2Step #3
Beam #1 of 30
blocked
Beam #15
blocked
5. When the bottom edge is found, the sensor continues to step
through the array until it finds the next unblocked beam.
6. Another binary search is performed to find the second edge.
Similar to single-edge scan, double-edge scan has some
restrictions: the object should provide a solid obstruction; the size
of the object determines the maximum step size (Figure
1-6). Double-edge scan can be used to detect up to three
objects. Like single-edge scan, double-edge scan works only
when the high-excess-gain setting is selected. When doubleedge scan is selected, the sensor object detection size varies,
depending on the step size, but edge resolution is 2.5 mm.
Beam #23 clear
Emitter
Receiver
Step #4Step #5
blocked
Figure 1-7. Finding an edge using a binary search (single-edge scan)
Step #6
Beam #19 clearBeam #17
Beam #18
blocked
6 P/N 130426 Rev. C
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www.bannerengineering.com•Tel:763.544.3164
A-GAGE EZ-ARRAY
Instruction Manual
Overview
Maximum Scan Times (in milliseconds)
Array Length
150 mm (5.9")2.81.53.42.82.52.41.9N/A
300 mm (11.8")5.01.55.94.13.22.82.32.1
450 mm (17.7")7.11.68.55.54.24.03.22.5
600 mm (23.6")9.31.611.06.84.94.24.02.8
750 mm (29.5")11.41.713.58.15.74.64.54.5
900 mm (35.4")13.61.716.09.56.14.74.64.6
1050 mm (41.3")15.71.818.610.86.85.24.84.8
1200 mm (47.2")17.91.821.112.27.45.54.94.9
1500 mm (59.1")22.21.926.114.89.06.45.34.9
1800 mm (70.9")26.52.031.217.510.57.36.05.6
2100 mm (82.7")30.82.836.320.212.08.26.75.6
2400 mm (94.5")35.12.841.422.913.59.17.45.9
NOTES: Scan times are exclusive of serial communication transmission times.
Scan times are also dependent on analog filter speed; see Section 5.8.
Figure 1-8. Maximum scan times for straight, single-edge and double-edge scanning
Straight
Scan
Single-Edge
Scan
Step
1 Beam
Step
2 Beams
Double-Edge Scan
Step
4 Beams
Step
8 Beams
Step
16 Beams
32 Beams
Step
1.7 Gain Configuration
The EZ-ARRAY provides two gain options for straight scan
applications: high excess gain and low contrast. The gain
method can be selected using the receiver push button, the
receiver remote teach wire, or the PC interface.
High (maximized) excess gain is suited for detecting opaque
objects and for reliable sensing in dirtier environments where
objects to be detected are 10 mm or larger. The high excess
gain method is always used in single- and double-edge scan.
The high excess gain option has a minimum blocked threshold
level, which provides reliable sensing at higher excess gain
levels.
The low-contrast setting is used for sensing semi-transparent
materials and for detecting objects as small as 5 mm (straight
scan only). In low-contrast operation, only a portion of a beam
must be blocked for detection to occur. In low-contrast operation,
the sensor sets an individual threshold for each optical channel
during the alignment process; this process equalizes the signal
strength to allow semi-transparent object detection.
When using the PC interface, low-contrast sensing provides
a fine-tune sensitivity setting of 15% to 50%. When using the
receiver interface, low-contrast sensitivity is always 30%.
Gain
Setting
Low
Contrast
High
Excess
Gain
* MODS: Minimum Object Detection Size
Figure 1-9. Effects of Gain selection on minimum object detection
Scan Method
Straight scan5 mm5 mm
Single-edge scan — —
Double-edge scan — —
Straight scan10 mm5 mm
Single-edge scan10 mm2.5 mm
Double-edge scan
size and sensing resolution
EZ-ARRAY
MODS*
Depends on
step size
EZ-ARRAY
Resolution
2.5 mm / edge
5 mm total
(both edges)
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P/N 130426 Rev. C 7
Overview
Last Beam Made (LBM)
First Beam Made (FBM)
Receiver
Emitter
Last Beam Blocked (LBB)
First Beam Blocked (FBB)
Receiver
Emitter
Total Beams Made (TBM)
Total Beams Blocked (TBB)
Receiver
Emitter
10
20
30
40
50
60
In Last Beam Blocked mode,
last beam is #55 of 60
In First Beam Blocked mode,
first beam is #20 of 60
In Last Beam Made mode,
last beam is #50 of 60
In First Beam Made mode,
first beam is #40 of 60
In Total Beams Made mode,
38 of 60 possible beams are
made
In Total Beams Blocked mode,
22 of 60 possible beams are
blocked
10
20
30
40
50
60
10
20
30
40
50
60
A-GAGE EZ-ARRAY
Instruction Manual
1.8 Electronic Alignment Routine
The objective of the optical alignment process is to adjust the
emitter light level to maximize sensor performance. Perform
the alignment procedure at installation and again whenever the
emitter and/or receiver is moved.
During the alignment procedure, the receiver polls each beam
channel to measure excess gain and performs a gain adjustment
for each beam. When the system exits the alignment procedure,
each channel’s signal strength is stored in non-volatile memory.
The procedure can be performed using the receiver remote wire,
the receiver interface or the PC interface (see Section 1.5, 4.2,
or 5.6). The receiver’s Alignment push button may be disabled,
using the PC interface.
1.9 Blanking
If a machine fixture or other equipment blocks one or more
sensing beams, the affected beam channels may be blanked.
The blanking option causes the receiver to ignore the status
of blanked beams for measurement mode calculations. For
example, if a machine fixture blocks one or more beams during
sensing, the output data will be incorrect; if the beams blocked
by the fixture are blanked, the output data will be correct.
Blanking may be configured using the receiver’s Alignment push
button, the receiver remote wire, or the PC interface.
“Beam Location” Modes
• First Beam Blocked (FBB): The location of the first blocked
beam.
• First Beam Made (FBM): The location of the first made
(unblocked) beam.
• Last Beam Blocked (LBB): The location of the last blocked
beam.
• Last Beam Made (LBM): The location of the last made beam.
• Middle Beam Blocked (MBB): The location of the beam midway
between the first and last blocked beams.
“Beam Total” Modes
• Total Beams Blocked (TBB): The total number of blocked
beams.
• Total Beams Made (TBM): The number of beams made.
Contiguous Beams Blocked (CBB): The largest number of
•
consecutively blocked beams.
Contiguous Beams Made (CBM): The largest number of
•
consecutively made beams.
For total beam values (TBB and TBM analysis modes), selection
of blanked beams affects the proportional analog outputs.
Blanked beams are ignored both in the number of blocked or
made beams and in the total number of beams. For example, if a
30-beam array has 10 blanked beams and 10 of the remaining 20
beams are blocked, the analog output values will be at mid-range.
1.10 Measurement Mode Selection
The outputs may be configured for any of fourteen measurement
(scan analysis) modes, which refer to specific beam locations,
quantities of beams, or edge transitions. Note that not all
measurement mode options are available when the receiver
interface is used for configuration. Selected modes are individually
assigned to each output (see Section 4.1 or 5.9 and 5.10).
When using the PC interface for configuration, the discrete
outputs can have NPN or PNP polarity (regardless of model), be
normally open or normally closed, and be assigned to any of the
measurement modes. When using the receiver interface, limited
output configuration combinations may be selected (Section 4.1).
NOTE: Array beams are numbered in sequence (beam 1 located
8 P/N 130426 Rev. C
nearest the sensor display; see Figure 1-3). The “first
beam” referenced in the following descriptions is the beam
nearest the sensor display.
Figure 1-10. Measurement mode examples
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A-GAGE EZ-ARRAY
Instruction Manual
Overview
• Transitions (TRN): The number of changes from blocked to
clear status and from clear to blocked status. (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.
• Outside Dimension (OD): The inclusive distance (measured
in beams) from the first blocked beam to the last blocked
beam.
• Inside Dimension (ID): The number of made beams, between
the first and last blocked beams.
• Contiguous First Beam Blocked (CFBB): The location of
the first blocked beam in the largest group of adjacent blocked
beams.
• Contiguous Last Beam Blocked (CLBB): The location of
the last blocked beam in the largest group of adjacent blocked
beams.
• Carpet Nap and Carpet Edge: These measurement modes
are used to measure the location of carpet backing and tuft,
and are selectable only via the PC interface, and only when
the Scan Type “Carpet Nap” is selected. The modes can be
measured from either end of the sensor, but at least 10 beams
(2") must be blocked from one edge.
• Special: This mode is reserved for specialized applications;
contact the factory for information.
1.12 Discrete Output Configuration
Discrete Output 1; Receiver Interface
When the receiver interface is used for configuration, the
measurement mode assigned to discrete output 1 is the same
as that assigned to analog output 1. When the analog output
detects a target present, discrete output 1 conducts (normally
open).
Discrete Output 2; Receiver Interface
Discrete output 2 (only) has two options: alarm and
complementary (measurement) operation.
Alarm: Output 2 energizes when the receiver detects a sensor
error (such as a disconnected cable) or whenever the excess
gain of one or more beams becomes marginal.
Complementary (Measurement): Discrete output 2 operation
is complementary to discrete output 1 (when output 1 is ON,
output 2 is OFF, and vice versa).
Discrete Output 1 and 2 Configuration; PC Interface
When the PC interface is used for configuration, the discrete
outputs have more options: either discrete output can be
assigned to any of the measurement modes, high and low set
points can be added, the outputs can be inverted, and hysteresis
values can be set, as well as a scan number to smooth output
performance. Discrete output 2 can be assigned to alarm mode
via the PC interface also. See Section 5.9 for more information.
1.11 Analog Output Configuration
Analog output configuration assigns analog outputs 1 and 2 to
one of the measurement modes described in Section 1.10. When
the selected measurement 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
measurement mode involves total beams blocked or made, that
assigned output will vary in proportion to the total beams counted
during a scan.
Analog outputs may have Null and Span values set in the PC
interface, in addition to a filter setting (to smooth the output) and
Zero Value (to specify the output value when the measurement
mode value is zero). See Section 5.8 for more information.
1.13 Serial Communication
When the PC interface is used, the receiver communicates
with a process controller via a Modbus RTU-485 interface. The
PC interface software has a Communications Settings menu
that includes the selected sensor communications port, options
(either leave this field set at DPB1, or change it to No Echo Suppression), and a read-only window that provides current
communications status. Advanced settings are also accessible,
including baud rate, timeout (in milliseconds), message delay (in
milliseconds), sensor address, parity, retry and byte delay. See
Section 5.10 and the Appendix for more information.
hardware (includes 2 end
brackets and hardware to mount
to MSA Series stands)
Stainless
Steel
Center bracket kit (includes 1 bracket and
hardware to mount to MSA Series stands)
EZA-TP-1
EZA-MBK-11N
EZA-MBK-12
NOTE: Standard brackets shipped with sensors connect directly to
MSA series stands, using hardware included with the stands.
2.6 Specifications
Emitter/Receiver Range
Field of View
Beam Spacing
Light Source
Minimum Object Detection Size
Sensor Positional Resolution
12 P/N 130426 Rev. C
400 mm to 4 m (16" to 13')
Nominally ± 3°
5 mm (0.2")
Infrared LED
Straight Scan, Low-Contrast: 5 mm (0.2")
Straight Scan, High-Excess-Gain: 10 mm (0.4")
See Figure 1-5 for other scan mode values; size is tested using a rod.
Straight Scan: 5 mm (0.2")
Double-Edge Scan: 2.5 mm (0.1")
Single-Edge Scan: 2.5 mm (0.1")
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A-GAGE EZ-ARRAY
Instruction Manual
2.6 Specifications, continued
Components and Specifications
Supply Voltage (Limit Values)
Supply Power Requirements
Teach Input (Receiver Gray Wire)
Two Discrete Outputs
Two Analog Outputs
Serial Communication Interface
(also see Appendix A)
Scan Time
Status Indicators
(also see Section 1.4)
Emitter: 12 to 30V dc
Receiver Analog Current Models: 12 to 30V dc
Receiver Analog Voltage Models: 15 to 30V dc
Emitter/Receiver Pair (Exclusive of Discrete Load): Less than 9 watts
Power-up delay: 2 seconds
Low: 0 to 2 volts
High: 6 to 30 volts or open (input impedance 22 K ohms)
Solid-State NPN or PNP (current sinking or sourcing)
Rating: 100 mA maximum each output
OFF-State Leakage Current:
ON-State Saturation Voltage:
Protected against false pulse on power-up and continuous overload or short circuit.
Voltage Sourcing: 0 to 10V (maximum current load of 5 mA)
Current Sourcing: 4 to 20 mA (maximum resistance load = (V
EIA-485 Modbus RTU (up to 15 nodes per communication ring)
RTU binary format
Baud Rate: 9600, 19.2K or 38.4K
8 Data Bits, 1 Stop Bit, and Even, Odd, or 2 Stop Bits and No Parity
Scan times depend on scan mode and sensor length. Straight scan times range from 2.8 to 26.5 ms.
See Figure 1-8 for all combinations.
Emitter:
R ed Status LED
ON Red — Status OK
Flashing at 1 hz — Error
NPN: less than 200 uA @ 30V dc
PNP: less than 10 uA @ 30V dc
NPN: less than 1.6V @ 100 mA
PNP: less than 2.0V @ 100 mA
−3) / 0.020)
supply
Receiver:
7 Zone Indicators
Red — Blocked channels within zone
Green — All channels clear within zone
3- digit 7-segment measurement mode / diagnostic indicator
Se nsor Status Bi-Color Indicator LED
Red — Hardware Error or Marginal Alignment
Green — OK
Modbus Activity Indicator LED: Yellow
Modbus Error Indicator LED: Red
System Configuration
(Receiver Interface)
System Configuration
(PC interface)
Connections
Construction
Environmental Rating
Operating Conditions
Certifications
Banner Engineering Corp. •Minneapolis, U.S.A.
www.bannerengineering.com•Tel:763.544.3164
6-position DIP switch: Used to set scanning type, measurement modes, analog slope, and discrete
output 2 function (see Section 4.1).
Push Buttons: Two momentary push buttons for alignment and gain level selection.
Supplied software provides all configuration options of receiver interface, plus additional functionality;
see Sections 1 and 5.
Serial communication: The receiver uses a PVC-jacketed, 5-conductor 22-gauge quick-disconnect
cable, 5.4 mm diameter; see Sections 2.2 and 5.2.
Other Sensor connections: 8-conductor quick-disconnect cables (one each for emitter and receiver),
ordered separately; see Section 2.2 for available lengths (may not exceed 75 meters long), PVCjacketed cables measure 5.8 mm diameter, have shield wire; 22-gauge conductors.
Aluminum housing with clear-anodized finish; acrylic lens cover
IEC IP65
Temperature: −40° to +70° C (−40° to 158° F)
Maximum relative humidity: 95% at 50° C (non-condensing)
P/N 130426 Rev. C 13
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