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Mettler Toledo
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User Manual
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Mettler Toledo 3 User Manual

Smart Camera (SMC) Series 3 - Hardware
Document Version B
User Manual
Intentionally left blank
1 Introduction
1.1 Intended Use
The SMART CAMERA is suitable for inspecting the readability of: Identification number, lot number, proof of origin, expiry date and variable print on labels, cartons, films and other printed items.
The optical character reading monitors the most important errors of: Stamp, hot stamp block, photo plate, thermal transfer, laser or inkjet printers, that render the print unreadable or result in incorrect recognition, for example: Reversed characters; blurred characters; worn characters; merged characters or missing character(s).
Typical applications for optical character verification are on: Brochures, labels, vignettes, cartons, tubes and tins.
Any other use or use that exceeds the aforementioned scope is not in compliance with the intended use. The manufacturer/supplier is not liable for any damage arising from misuse. Risk is borne solely by the user.
CAUTION
If the smart camera is not used correctly, reliable operation of the system cannot be guaranteed. The operator of the image processing system is liable for any personal injury and damage to property caused by incorrect use, not the manufacturer.
1.2 Additional Documents
The table shows which further documents for smart cameras are available.
Further Documents
OCV/OCR and Code Reader Software Manual Describes the functionally and handling of the
camera software which is running on the camera.
JDatatrans Software Manual Describes the functionally and handling of the
service tool JDatatrans which is running on a PC.
SMC-Series Datasheet The datasheet for SMC cameras shows properties of
cameras in compact form.
CE Certificate CE Certificate of Conformity
2 Safety Notes
Important Safety Note
Read and understand all the safety notes in the following sections as well as the safety messages in the rest of this manual.
If you do not follow the safety notes and messages, this may lead to property damage and personal injury up to and including death.
2.1 Safety Labels and Notice Labels
The ISO3864 safety labels are installed at potentially hazardous areas on the equipment. They give special safety-related notifications. The locations of these labels are given in the drawings supplied with your equipment. There are three types of safety labels:
• Hazard notifications
• Mandatory procedures
• Prohibitive procedures
Additionally, NOTICE  labels may appear on your equipment.
The meanings of the different kinds of labels are explained in the following sections. Before you transport, install, operate or work on the equipment, find out about the location and meanings of
the labels. Maintain the labels so that they are clear of obstructions and are readable. Do not remove any labels. Replace any label that is no longer readable.
2.1.1 Hazard Notifications
A hazard notification consists of the following:
• Hazard alert symbol (yellow triangle with black symbol)
• Signal word (DANGER , WARNING , or CAUTION )
• Special notifications related to the hazard (as required)
The signal word labels are attached next to the hazard alert symbol labels on the equipment.
2.1.1.1 Definitions of Signal Words
Signal words describe the level of risk of a particular hazard. The color of the safety label background indicates the risk, as shown in the following table. The definitions of the signal words are based upon the ISO3864 definitions..
DANGER (red): This signal word indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING (orange): This signal word indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION (yellow): This signal word indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury.
2.1.1.2 Meaning of Hazard Alert Symbols
The following hazard alert symbols may be installed on your equipment.
UV light
Optical radiation
2.1.2 Notice
The word NOTICE  does not give safety information. It is still an important word to inform you of activities that may harm the equipment or other property. The following definition is based upon the ANSIZ535 definition.
NOTICE (blue): This word indicates important information that is not related to personal injury which, if ignored, could result in damage to the equipment, damage to property, malfunctions, erroneous results, or loss of data.
2.2 General Protective Procedures
Important Safety Note
Make sure that all personnel who work on or near the equipment are capable of performing all operations in a safe manner.
• Keep the manual in a convenient location near the equipment. Replace the manual if it becomes lost or
damaged.
• Wear Personal Protective Equipment (PPE) in accordance with your plant's safety procedures.
• Understand the hazards of the equipment and the risks related to those hazards before working on or
near the equipment.
• Obey all safety procedures of the local plant.
• Do not wear loose clothing, jewelry, long hair, or anything that can become entangled with the
equipment.
• Be careful around the equipment to avoid hitting your head, arms, or other body parts against the
equipment. Be careful if the equipment is over your head.
• Be careful not to trip over cables or other parts of the equipment.
• Do not move quickly in the area around the equipment.
• Do not climb, hang onto, or use any of the part of the equipment as a support.
• Obey the lockout tagout (LOTO) procedures of the plant.
• If there is a safety-related malfunction when you are operating the equipment, press the emergency stop
device. Tell the responsible supervisor, and follow the applicable steps approved by your company to fix the malfunction.
2.3 Safety Notes for Various Activities
Important Safety Note
Read and understand all parts of the manual before using or working on any equipment.
The following sections list safety notes for particular activities or groups of activities. Refer to the correct sections in the manual for more detailed instructions.
2.3.1 Transporting and Moving the Equipment
• Only transport or move the equipment if you have the applicable training as defined by your company.
• Your company has sole responsibility for the safe moving and transporting of the equipment.
• Use safe moving procedures during transporting to maintain stability and to prevent the equipment from
tipping or falling.
• Disconnect the electrical supply, the pneumatic supply, and the communication cables before you move
the equipment.
• Use the correct lifting devices. If you use a forklift, lift the equipment at the correct lift points as shown by
the blue lift point labels.
• Blue lift point labels are placed on the equipment to show recommended locations for lifting. These lift
point locations were tested with the manufacturer's forklift trucks. A qualified rigger must make sure that the lift points are correct for your lifting equipment.
• When you lift the equipment by hand, obey the safe lifting procedures of your company.
2.3.2 Installing
Only install the equipment if you have the applicable training as defined by your company.
2.3.3 Operating the Equipment and Monitoring the Inspection Process
• Before beginning operation, make sure that the area is safe.
• Know the location and effect of each emergency stop button that controls the equipment.
• Do not operate the equipment without protective guards and doors in place.
• Make sure the safety circuit is working correctly.
• Do regular inspections of the equipment.
• If there is a fault or change in the equipment behavior, stop the equipment and inform responsible
personnel.
2.3.4 Testing and Verifying the Equipment
Only do testing and verifying of the equipment if you have applicable training as defined by your company.
2.3.5 Maintaining, Cleaning and Sanitizing the Equipment
• Remove all power from the equipment before doing any work.
• Keep the equipment in good working order.
• Follow a preventative maintenance program.
• Replace parts when needed.
• Obey the lockout tagout (LOTO) procedures of the plant.
• Test (validate) the safety circuit after parts are replaced.
• Only use METTLER TOLEDO approved spare parts and accessories.
• Do not make any unauthorized modifications to the equipment.
• Replace safety labels if damaged, missing, or unreadable.
• Do a visual check of the equipment at least once during a shift to identify any visual damage or faults.
Report any equipment changes to the responsible supervisor immediately.
• When required for a hygienic production environment, do regular sanitizing of the equipment according
to your company's procedures.
• After cleaning or sanitizing, check all cables, connectors, and pneumatic hoses for leakage, loose
connections, rub marks and damage. Tighten, repair, or replace any faulty cables and air tubing, as necessary.
2.4 Special Hazards
The following sections describe special instructions for equipment that may have special hazards.
2.4.1 Strobe Lights
• Strobe lights can cause seizures in individuals with photosensitive epilepsy.
• Individuals with photosensitive epilepsy must not operate the equipment.
• Do not operate the equipment when excessively fatigued or after consuming alcohol.
• Do not look directly at the lights, especially at close distances.
• Avoid placing the equipment in areas with reduced lighting.
• If lights are inside of an enclosure, do not open the enclosure doors when lights are flashing.
2.4.2 Lights and Laser Sensors
• Do not stare directly at any lights or lasers.
• Avoid prolonged exposure to ultraviolet (UV) light, infrared (IR) light, and lasers.
3 Equipment Overview
3.1 Equipment Components
The smart camera consists of an intelligent camera with integrated signal processor and software which is able to control different characteristics. Further, the camera hardware contains a memory, network interface, an optical component and illumination. The illumination is integrated into the camera and external illumi­nations can be mounted additionally around the camera.
3.1.1 Housing
3.1.1.1 Dimensions of Housing Size 21
The image shows the dimension of housing “Size 21”. The image also shows the dimensions of the plastic mounting block and the positions of the mounting threads 2x M4 with a distance of 15mm and the 2x M6 with a distance of 35mm. The plastic mounting block can also be placed optionally at one side of the camera, as shown in the image. All dimensions are given in mm.
3.1.1.2 Dimensions with Cables and Connectors
The image shows the dimensions of the connectors and the recommended bending radius of cables. The mounting direction of 90° connectors is only possible in one direction in relationship to housing, as shown in the image.
All dimensions are given in mm.
3.1.2 The Backend of the Camera
The following image shows the back side of the camera. The exact allocations are specified in the tables on the following pages.
With the Push button in the camera’s rear panel, a camera trigger can be released. Thus, the camera starts recording and evaluating a picture.
The LEDs in the rear panel indicate the input and output signals. The LEDs are arranged in lines. An LED flashes, if the appropriate signal applies.
Description of the I/O LEDs:
Description Function
IN0 Camera trigger from PLC
IN1 Universal, function belongs to software settings
IN2 Reset signal from PLC
OUT0 Good signal
OUT1 Camera ready signal
OUT2 Second optional good signal
OUT3 Data valid signal
3.2 Accessories for the Camera
3.2.1 SMC 3 Adapter
The SMC 3 Adapter has been developed for the Smart Camera 3 series because wire assignment differs between Smart Camera 1 series and Smart Camera 2 series. The adapter offers the possibility to connect an SMC 3 camera to an existing system. The main use case of the SMC 3 adapter is to replace an SMC 1/ SMC 2 camera with an SMC 3 camera without replacing the SMC 1 / SMC 2 cables. Alternatively, you can replace the cables and the Patch Panel 2 of SMC 1 / SMC 2 series with cables for Smart Camera 3 and Patch Panel 3, without using the adapter.
On one side, the adapter has cables with plugs to connect the SMC 3 camera. The length of the cables is about 0,5m. On the other side the adapter has sockets for plug-in cables for the SMC 1 / SMC 2 camera. The adapter routes and crosses the wire assignment between SMC 1 / SMC 2 cables and SMC 3 cables to get the correct wire assignment on both sides.
Dimensions of the SMC 3 Adapter with cables for the SMC 3 series
Dimension
Length, Width and Height: L1=54mm, W=55mm, H=24mm
Length Including Pull Relief of Cables and Sockets
Length: L2=90mm
SMC 3 Adapter with mounted SMC 1 / SMC 2 cables.
Length Including Pull Relief of Cables and Connectors
Length: L3=120mm
The housing protection is IP54. All other specifications of the adapter correspond to the camera specifications.
3.2.2 Patch Panel
3.2.2.1 Patch Panel Description
The Patch Panel 3.0 has been developed for the Smart Camera 3 Series. The Patch Panel is an easy connection board for connecting cameras and scanners to a switching cabinet. Patch Panel 3.0 must be used for Smart Camera 3 Series but is also compatible with Smart Camera 1 Series, Smart Camera 2 Series and the comparison module VGL V7 and VGL V8 which will be used in combination with scanners. Therefore Patch Panel 3.0 can be used in exchange for Patch Panel 1 and Patch Panel 2.
3.2.2.1.1 View and Dimensions
View and dimensions of Patch Panel 3.0 with printed circuit board L1173-0.
Side view on camera clamps.
Dimension
Length, Width and Height: L=90mm, W=52mm, H=54mm
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