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CMS

Colormark II

The SMARTEYE® COLORMARK™ ll Registration Mark Sensors combine unique color perception ability with very high speed response. Many important features have been incorporated into the design to meet the increasing demand for precision registration control on today’s higher speed packaging machinery.  It provides extended operating ranges, enhanced background suppression and the elimination of saturation problems.

The specific task of a photoelectric registration mark detector is to respond to printed registration marks on packaging material as they pass through the sensor's light beam. The output of the sensor must switch when the mark arrives precisely in position for the control function to occur. The resolution of the exact location of each passing registration mark is keynote to ensure that the initiation of the electromechanical response triggered by the sensor is in synchronization with the arrival of the mark.

HIGH SPEED
The high speed (50 microseconds) response time of the SMARTEYE® COLORMARK™ II helps to ensure that the point of detection of the sensed mark will not shift as the velocity of the moving web varies from slow startup to maximum velocity.

HIGH COLOR PERCEPTION
Color perception is a must for detecting registration marks printed in a wide variety of colors. The SMARTEYE® COLORMARK™ II with different light sources detects the greatest variety of color of marks on a wide veriety of material.

LIGHT SOURCES
Select  a white LED light source to detect a veriety of marks.  Select red, green or blue LED light sources in applications where the white light source fails to perform; i.e., a blue LED light source is recommended to detect pale yellow marks on a white background. Consult selection guidelines to help in specifying the correct SMARTEYE® COLORMARK™ II to fit your sensing requirements.

EDR® Enhanced Dynamic Range
(Patent No. 5,621,205)
The EDR® circuit extends the dynamic operating range to provide unequaled performance at very bright light levels. Dynamic operating range has been extended 500X to eliminate the effects of background suppression which can cause reduced resolution. To avoid saturation and enhance background suppression, the EDR® circuit monitors the offset adjustment during setup to determine when the sensor’s operating level is approaching the sensor’s light level saturation point. Before saturation occurs, the EDR® circuit adjusts the sensor in such a unique manner so as to prevent hot spot glare effects and extends the overall dynamic range of the SMARTEYE® COLORMARK™ II sensor.

CONTRAST INDICATOR
The 10 LED CONTRAST INDICATOR displays a scaled reading of the level of light received between the mark on the material and the material. The greater the reading between the two states, the more stable and accurate the detection of the mark will be.

Features

 
Details

Features and Options:

  • Waterproof Housing
  • Clutch Knob Adjustment (Offset/EDR®)
  • 10-LED Contrast Indicator
  • EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability

SUPPLY VOLTAGE:
12 to 24 VDC
Polarity Protected

CURRENT REQUIREMENTS:
85 milliamps (exclusive of load)

OUTPUT TRANSISTORS:
(1) NPN and (1) PNP sensor output transistor
NPN: Sink up to 150mA
PNP: Source up to 150mA
Momentary short circuit protected, protected from power-up pulse.
Output transistors turn "ON" when mark is in view
Anti-pulsing on power-up

RESPONSE TIME:
Minimum duration of input event:
Light state response = 50 microseconds
Dark state response = 140 microseconds
Leading edge variation: less than 20 microseconds

HYSTERESIS:
Less than 400 millivolts for maximum sensitivity and resolution

LED LIGHT SOURCE:
White - Broadband Spectrum (CMSWL)
Green - 550nm (CMS)
Blue - 480nm (CMSB)
Red - 660nm (CMSR)

LIGHT IMMUNITY:
Pulse moduated to provide extremely high immunity to ambient light

PULSE STRETCHER TIMER: (Optional)
Provides minimum of 10 milliseconds output duration

OFFSET/EDR CLUTCH KNOB ADJUSTMENT:
Set initial level on Contrast Indicator in relation to mid-scale switch point of 5 - functions as sensitivity adjustment
Controls Enhanced Dynamic Range circuit (EDR) which functions to avoid glare effect.

LIGHT/DARK SWITCH:
Dark position for darm mark; Light position for light mark

INDICATORS:
OUTPUT INDICATOR - Red LED illuminates when output transistors are "ON"
EDR INDICATOR - Intensity of Green LED provides indication of where in the dynamic operating range the offset / EDR adjustment has been set
     FULLY LIT: Operating near stauration
     OFF: Operating near maximum sensing range
CONTRAST INDICATOR - Displays returned constrasting light levels (background vs mark)

AMBIENT TEMPERATURE:
-40ºC to 70ºC (-40ºF to 158ºF)

RUGGED CONSTRUCTION:
Chemical resistant high impact polycarbonate housing
Waterproof, NEMA 4X, 6P, and IP67 enclosure rating
Expoxy encapsulated for mechanical strength

 
Details

Features and Options:

  • Built-in Connectors
  • Waterproof Housings
  • Clutch Knob Adjustment (Offset/EDR®)
  • Unique 10 LED Contrast Indicator
  • Addition of EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability

Drawing

 
Details

Features and Options:

  • Built-in Connectors
  • Waterproof Housings
  • Clutch Knob Adjustment (Offset/EDR®)
  • Unique 10 LED Contrast Indicator
  • Addition of EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability

1. Select Sensor Model based on LED light source required:

  • CMS - Green
  • CMSR - Red
  • CMSB - Blue
  • CMSWL - White
  • VSD - Very High Speed IR
  • SDLR - High Gain Red
  • SDR - High Speed Red
  • SDLG - High Gain Green

2. Select Pulse Stretcher required:

  • -1B - 10ms Pulse Stretcher
  • -2B - No Pulse Stretcher
  • -2BT - with toggle switch

3. Select Optical Block based on mode of sensing required:

  • F1 - Fiberoptic
    Range: 1/4" to 3/8" Proximity Mode
          1/2" to 3" Opposed Mode
  • V1G - 1" V-Axis Glass Lens
    Range: 1"

 
Details

Features and Options:

  • Built-in Connectors
  • Waterproof Housings
  • Clutch Knob Adjustment (Offset/EDR®)
  • Unique 10 LED Contrast Indicator
  • Addition of EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability

LIGHT SOURCE SELECTION

Blue Light Source
Useful for detecting translucent, transparent, plastic, or glass objects in the retroreflective mode when using the R4 optical block. Used as blue filter for color perception advantages, i.e. resolving yellow vs. white colored objects or printed registration marks.

White Light Source
(Broadband Color Spectrum)
The “White Light” LED light source promotes easy detection of the largest variety of color marks printed on the largest variety of colored web materials. By combining a white LED light source, our Contrast Indicator, and the one-push AUTOSET setup, you have a winning combination of high performance with an easy to use sensor.

 

Red (Visible) Light Source
Visible red LED light source recommended for sensing transparent/translucent objects. Outperforms infrared light in many moderate to low contrast applications. Also recommended for use with plastic fiberoptic light guides.

Green (Visible) Light Source
Recommended for use only in applications where the color green provides an obvious advantage. An example would be sensing a light colored red/pink object on a white background. Also has been used in film processing applications when red or infrared light can cause damage to sensitive film.

 
Details

Features and Options:

  • Built-in Connectors
  • Waterproof Housings
  • Clutch Knob Adjustment (Offset/EDR®)
  • Unique 10 LED Contrast Indicator
  • Addition of EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability

Type F1
F1 Fiberoptic Adapter Optical Block

Fiberoptic Adapter

Type V1G
V1 V1G Optical Block

Focused Lens "V" Axis

 

 

 

Type F1 adapts sensor to any standard fiber optic light guide with .187" O.D. tips. The light guide is inserted and held in place with a slide-action snap. Type V1G is for direct lens “V” axis sensing at close ranges. Used for small part or precise leading edge sensing. Range is dependent on model of the sensor selected.      

 
Details

Features and Options:

  • Built-in Connectors
  • Waterproof Housings
  • Clutch Knob Adjustment (Offset/EDR®)
  • Unique 10 LED Contrast Indicator
  • Addition of EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability

Product Literature

Brochure
Datasheet

View FileEN
View FileEN

Applications:

App 1

Preferred Mode: Fiberoptic Reflective (Proximity)
Based upon the characteristics of the web material, the printed mark and the sensing site conditions, the following guidelines will help to select the proper SMARTEYE® COLORMARK™ ll to fit your sensing needs.

Sensor: Model CMSWL-1BF1 (with Pulse Stretcher) or Model CMSWL-2BF1 (w/o Pulse Stretcher). White Light Source.
Cable: Shielded cable w/connector. Right angle or straight mating connectors available.
Fiberoptic Light Guide: Model BF-A-36T (straight) or Model BF-A-36RT (right angle) as shown above. See Fiberoptic Light Guides section for availability in a wide variety of bundle sizes and shapes.
Sensing Range: From 1/4 to 3/8 in. Optional lenses can be used to extend sensing ranges.
Accessories: Mounting Bracket: Model SEB-1

App 2

Alternate Mode (A): Convergent Beam “V” Axis

Optional choice to detect printed registration marks on opaque or translucent packaging materials.

Sensor: Model CMSWL-1BV1G (with Pulse Stretcher) or Model CMSWL-2BV1G (w/o Pulse Stretcher). White light source.
Cable: Shielded cable w/connector. Right angle or straight mating connector available.
Sensing Range: 1 in.
Accessories: Mounting Bracket: Model SEB-1

App 3

Alternate Mode (B): Fiberoptic Thru-Beam

Good choice to detect printed registration marks on transparent packaging material.

Sensor: Model CMSWL-1BF1 (with Pulse Stretcher) or Model CMSWL-2BF1 (w/o Pulse Stretcher). White light source.
Cable: Shielded cable w/connector. Right angle or straight mating connectors available.
Fiberoptic Light Guide: Model (2) F-A-36T (straight) or Model (2) F-A-36RT (right angle). See Fiberoptic Light Guides section for availability in a wide variety of bundle sizes and shapes.
Sensing Range: Recommended 2 to 3 in.
Accessories: Mounting Bracket: Model SEB-1

Application Setup Guide:

Registration Mark Sensing Using Fiberoptic Light Guides

Opaque Material (Non-Foil)

  1. Position the fiberoptic light guide to view material looking straight down (see Fig.1).
  2. Place background in view of fiberoptic light guide.
  3. Adjust “offset” as follows...
    • For dark mark on light background, adjust for a reading of “10” on the Contrast Indicator with the background in view.
    • For light mark on dark background, adjust for a reading of “1” on the Contrast Indicator with the background in view.
  4. Set light/dark switch in the position that turns the “mark” indicator off.
  5. Move mark into view. Note the new contrast reading. lf this reading has deviated from the initial reading by 4 to 5 bars or more, enough contrast exists for proper detection.

 
Foil Material

  1. Position fiberoptic light guide as follows:
    • For a black or dark mark on shiny foil, position light guide to view material looking straight down (see Fig. 1).
    • For white or light mark on shiny foil, position light guide to view material looking on a 45° angle (See Fig. 2).
  2. Place mark in view of fiberoptic light guide.
  3. Adjust “offset” as follows:
    • For black or dark mark on shiny foil, adjust for a reading of “1” when the black mark is in view.
    • For white or light mark on shiny foil, adjust for a reading of “10” when the white mark is in view.
  4. Set light/dark switch in the position that turns the mark indicator “ON” when the mark is in view.
  5. Move mark out of view. With the background in view, note the new contrast reading. lf this reading has deviated from the initial reading by 4 to 5 bars or more, enough contrast exists for proper detection.

 
Transparent Material

  1. Position fiberoptic light guide to view material looking straight down.
  2. Place background (transparent area) in view of fiberoptic light guide.
  3. Adjust “offset” for a reading of 9 or 10 on the Contrast Indicator.
  4. Set light/dark switch in the position that turns the mark indicator off.
  5. Move the mark into view. Note the new contrast reading. If this reading has decreased or deviated from the initial reading by 6 to 8 bars or more, enough contrast exists for proper detection.

 
Hints and Tips:

  1. False tripping or erratic operation is usually caused by excessive web flutter, wrinkles or variations in material back ground color or marks. Minor adjustments of the “offset” can help to eliminate erratic operation.
  2. If the surface of opaque (non-foil) material is extremely shiny, consider placing fiberoptic light guide into the 45° angle position (see Fig. 2). The position that results in the maximum contrast deviation as displayed on the Contrast Indicator will give the most reliable performance.
  3. A metal guide plate for the material to flow across provides several necessary advantages:
    • Helps to iron out wrinkles.
    • Helps to eliminate web flutter.
    • Provides shiny background when sensing marks on transparent material.

Figure 2Figure 1

 
Details

Features and Options:

  • Built-in Connectors
  • Waterproof Housings
  • Clutch Knob Adjustment (Offset/EDR®)
  • Unique 10 LED Contrast Indicator
  • Addition of EDR® “Enhanced Dynamic Range”– eliminates hot spot glare effects. Works on the shiniest materials, including foils.
  • Optional Pulse Stretcher guarantees a minimum of 10 milliseconds output – ample time for visual LED verification and for the control to respond.
  • Choice of light source – green, red, blue, or white.

 

Benefits:

  • Minimizes downtime
  • Flexible and accommodating for a variety of registration materials and marks
  • Easily adjusted for optimum performance
  • Very accurate and repeatable with unnoticeable migration from start up to full speed
  • High Quality and High Reliability