STI MC6 Series Installation And Operating Manual

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Mat Controller
MC6 Series
Installation and Operating Manual
Scientific Technologies Inc.
Optical Sensor Division
Manufacturing and Sales Office
6550 Dumbarton Circle,
Fremont, CA 94555
Phone 510/608-3400
Fax 510/744-1442
http://www.sti.com
European Sales Office
Bötzinger Straße 29
79111 Freiburg, Germany
Phone 49 761 455 26-0
Fax 49 761 455 26 26
© STI P/N 99610-0010 rev.C 021601

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  • Page 1 Manufacturing and Sales Office 6550 Dumbarton Circle, Fremont, CA 94555 Phone 510/608-3400 Fax 510/744-1442 http://www.sti.com European Sales Office Bötzinger Straße 29 79111 Freiburg, Germany Phone 49 761 455 26-0 Fax 49 761 455 26 26 © STI P/N 99610-0010 rev.C 021601...
  • Page 2: Table Of Contents

    Mat Controller MC6 Table of Contents Section 1— Important Safety Message ... . . page 2 Section 2— Glossary ......page 4 Section 3—...
  • Page 3: Section 1- Important Safety Message

    A presence sensing mat (UM Series) and controller (MC6) are general purpose presence sensing devices designed to guard personnel working around moving machinery. The use of this type of guarding system is regulated by government safety agencies. Please contact STI in California, USA at 510-608-3400 for additional assistance.
  • Page 4 • Perform the STI test procedure at installation and after maintenance, adjustment, repair or modification to the machine controls, tooling, dies or machine, or on the presence sensing mat and controller.
  • Page 5: Section 2- Glossary

    Automatic Start Upon completion of power-up, the control unit will enter the Machine Run state as soon as all of the selected sensing inputs are in the Mat Clear state. STI has traditionally referred to this as the Normal mode.
  • Page 6 The control unit will go into the Interlock State upon completion of power-up and after a pressure sensing condition has occured. A Start signal transition must occur before returning to Machine Run following any transition to Machine Stop . STI has traditionally referred to this as Guard mode.
  • Page 7: Section 3- Introduction

    The MC6 controller is certified to operate only in conjunction with STI four-wire normally open safety mats (such as the STI UM series safety mats). The MC6 is a Category 3 safety device, meeting the requirements of EN 954-1.
  • Page 8 E S C R I P T I O N O F O N T R O L S Mat Inputs • Machine Stop: (red) Will be lit when the safety outputs are in the machine stop state. • Interlock: (yellow) Will be lit when the mat system is in the interlock state. Light will flash in fault state.
  • Page 9 E S C R I P T I O N O F O N T R O L S Operational Flow Chart 4 .6 . O P E R A T I O N A L L O W H A R T The MC6 safety mat controller module represents a safety control system which integrates up to six safety mat zones together to provide a single pair of controlled safety outputs (OSSD’s).
  • Page 10: Section 5- Operating And Wiring Instructions

    P E R A T I N G A N D I R I N G N S T R U C T I O N S MC6 Controller PERATING AND IRING NSTRUCTIONS WARNING! Read this manual completely before installing the MC6 controller. The MC6 controller should only be installed, checked out, tested and maintained by a qualified person (as described in the Important Safety Message at the beginning of this manual).
  • Page 11 P E R A T I N G A N D I R I N G N S T R U C T I O N S MC6 Controller In Start/Restart Interlock mode, the MC6 shall power-up with its safety outputs off and perform system initialization and self-tests.
  • Page 12 Mats cannot be connected to zones 1, 4, 5 and function as a 3 zone system. Zones must be used in sequence. At least one STI 4-wire mat must be connected. For an STI Universal safety mat the blue and black conductors are connected to the bottom electrode plate. The brown and white conductors are connected to the top electrode plate.
  • Page 13: Section 6- Machine Control Connections

    The solid-state version offers 2 current sourcing outputs (PNP). The solid-state version is compatible with STI’s RM4 module and could be used as 1 input device to the RM4. The customer shall wire the system using industry accepted methods.
  • Page 14 E T H O D The following connection scheme uses both of the normally open output relay contacts to control the machine. This is the STI recommended wiring method. See “Figure 6-1 Two Normally Open Preferred Connection” on page 13.
  • Page 15 A C H I N E O N T R O L O N N E C T I O N S Suggested Solid State Connections 6 .4 . S U G G E S T E D O L I D T A T E O N N E C T I O N S Figure 6-2 shows the MC6 solid-state output version connections.
  • Page 16: Section 7- Troubleshooting

    Wrong before activation Wrong after activation Wrong on power up 7.1.6 ONTROLLER AULT Code Displayed Fault Indicated All Internal Controller Circuit Faults. Consult STI at 888-510-4357 Mat Controller MC6 Manual 99610-0010 Rev. C SCIENTIFIC TECHNOLOGIES INC. Call: 1/888/510-4357 in USA and Canada...
  • Page 17 R O U B L E S H O O T I N G Symptoms and Solutions 7.1.7 AULTS Code Displayed Fault Indicated Broken wire in Zone 1. Broken wire in Zone 2. Broken wire in Zone 3. Broken wire in Zone 4. Broken wire in Zone 5.
  • Page 18 R O U B L E S H O O T I N G Symptoms and Solutions Symptom Cannot start in Start Interlock or Start/Restart Interlocks mode. Possible Solutions Check wiring and operation of Start switch. Is 24 VDC present between Start 1 and Start 2 terminals when the start switch is open and 0 VDC when start switch is closed.
  • Page 19: Section 8- Specifications

    E N E R A L P E C I F I C A T I O N S Category 3: The STI MC6 controller & UM Series Safety mat system are a Category 3 safety device. Response Time: Less than 30 msec.
  • Page 20 8.1 0 . C O N N E C T O R N P U T 4 pole micro single keyway (STI Part No. 60477). 8.1 1 . E N V I R O N M E N T A L...
  • Page 21 O M P A T I B I L I T Y The MC6 with the STI mats have been verified to meet the radiated/conducted emission levels of EN55011 (Group 1, class A) and to maintain normal operation in the presence of of the following EMC disturbance levels.
  • Page 22: Section 9- Dimensional Drawing

    INCHES (+\-.01) 35.6 88.9 (3 PLCS) 22.2 DIMENSIONS: mm (+\-.3) 1.35 OPTIONAL CONNECTOR AC POWER INPUT & RELAY OUTPUT 34.3 1.75 STI P/N 43057-0040 44.5 TOP VIEW 3.29 83.5 É” MTG HOLES (8 PLCS) 7.43 2.81 4.00 188.7 71.4 101.6 Scientific Technologies Inc, Fremont CA 94555-3611 USA 10.80...
  • Page 23: Section 10- Warranty And Additional Information

    STI which is not specifically set forth herein shall be binding upon STI. STI shall not be liable for any incidental or consequential damages, losses or...
  • Page 24 STI® is the registered trademark of Scientific Technologies, Inc. 10 .4 . R E P A I R S STI offers product repair service at our factory. If you need repairs made to any STI product, contact our Customer Service Department. 10 .5 . R...
  • Page 25: Section Appendix A- - Test Procedure

    — T E S T R O C E D U R E Returns A — T PPENDIX ROCEDURE A .1 . T E S T R O C E D U R E The following test procedure must be performed by qualified personnel at installation and after any maintenance, adjustment or modification to the presence sensing mats, the MC6 controller or the machine and machine control circuitry.

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