Controls: Machine related categories
 | MC4 Series - Safety Mat Controller
Options
Lid-mounted reset key switch
Quick disconnect for incoming power and relay outputs
Quick disconnects up to 6 mat zone inputs
Solid-state safety output module
Safety relay output module
Description
The MC4 is a NEMA 4, 12 rated single zone mat controller. This controller may be used in applications when the diagnostic features of the MC6 may not be required. The MC4 may be ordered in either 24 VDC or the universal auto-selecting power supply for 100-240 VAC.
Additional Guarding Requirements
A safety mat system is often only one part of a machine guarding solution. If the safety mat does not protect all access to the point of operation, additional guarding must be used. Safety mat systems should only be used to detect the presence, not the absence, of a force.
Perimeter Guarding Requirements
For perimeter guarding installations, the guarded machine or robot controller must be wired such that any stop signal generated by the safety mat system will cause an immediate stop of the hazardous motion. The machine or robot must only be restarted by the actuation of a manual reset switch. This reset switch must be located outside the area of hazardous motion and positioned such that the hazardous area can be observed by the switch operator. The
purpose of this arrangement is to prevent a machine or robot from automatically restarting once the sensing weight is no longer detected by the safety mat sensing area.
Safety Standards and Precautions
A Safety Mat controller is a general purpose, safety mat control device and is not designed for any specific type, model or brand of machine. All safety-related functions of the guarded machine controls including pneumatic, electric, logic or hydraulic controls must be control reliable.
A Safety Mat controller when combined with a four-wire safety mat meets ANSI/RIA R15.06-1999, ANSI B11.19-2003 and the following applicable OSHA standards. When used with mechanical power presses, OSHA standard 1910.217(c) applies. For other applications the requirements of section 1910.212 apply.
Only use a Safety Mat controller and four-wire safety mat system on machinery that stops consistently and immediately anywhere in its cycle or stroke. Never use a Safety Mat controller and four-wire safety mat system on a full-revolution clutched press or machine. Access to the point of operation or hazardous machine area not protected by the Safety Mat controller and fourwire safety mat system must be guarded by fencing, barriers or other
appropriate methods.
The purchaser, installer and employer are responsible for meeting all local state and federal government laws, rules, codes or regulations relating to the proper use, installation, operation and maintenance of this control and the
guarded machine. See Installation and Operation Manual for details. All application examples described are for illustration purposes only. Actual installations will differ from those indicated. |
 | MC3 Series - Safety Mat Controller
Options
Lid-mounted reset key switch
Quick disconnect for incoming power and relay outputs
Quick disconnects up to 6 mat zone inputs
Solid-state safety output module
Safety relay output module
Description
The MC3 DIN mount controller may be used in applications that do not require the feature set of the MC6 controller. The MC3 single zone mat controller has removable terminal blocks and operates only on 24 VDC.
Additional Guarding Requirements
A safety mat system is often only one part of a machine guarding solution. If the safety mat does not protect all access to the point of operation, additional guarding must be used. Safety mat systems should only be used to detect the presence, not the absence, of a force.
Perimeter Guarding Requirements
For perimeter guarding installations, the guarded machine or robot controller must be wired such that any stop signal generated by the safety mat system will cause an immediate stop of the hazardous motion. The machine or robot must only be restarted by the actuation of a manual reset switch. This reset switch must be located outside the area of hazardous motion and positioned such that the hazardous area can be observed by the switch operator. The
purpose of this arrangement is to prevent a machine or robot from automatically restarting once the sensing weight is no longer detected by the safety mat sensing area.
Safety Standards and Precautions
A Safety Mat controller is a general purpose, safety mat control device and is not designed for any specific type, model or brand of machine. All safety-related functions of the guarded machine controls including pneumatic, electric, logic or hydraulic controls must be control reliable.
A Safety Mat controller when combined with a four-wire safety mat meets ANSI/RIA R15.06-1999, ANSI B11.19-2003 and the following applicable OSHA standards. When used with mechanical power presses, OSHA standard 1910.217(c) applies. For other applications the requirements of section 1910.212 apply.
Only use a Safety Mat controller and four-wire safety mat system on machinery that stops consistently and immediately anywhere in its cycle or stroke. Never use a Safety Mat controller and four-wire safety mat system on a full-revolution clutched press or machine. Access to the point of operation or hazardous machine area not protected by the Safety Mat controller and fourwire safety mat system must be guarded by fencing, barriers or other
appropriate methods.
The purchaser, installer and employer are responsible for meeting all local state and federal government laws, rules, codes or regulations relating to the proper use, installation, operation and maintenance of this control and the
guarded machine. See Installation and Operation Manual for details. All application examples described are for illustration purposes only. Actual installations will differ from those indicated. |
 | MC6 Series - Safety Mat Controller
Safety Mat Controller
Control reliable
Dual microprocessor circuitry monitors mat and wiring integrity
2-digit numeric display for fault diagnostics
Universal power input
Select from Automatic Start, Start/Restart Interlock or Start Interlock operating modes
Up to 6 mat zone inputs
MPCE monitoring
Field replaceable safety output relay module or solid-state output module
Selectable auxiliary output mode
Six mat zone status indicator LEDs
Surface mount, lockable metal enclosure
Remote access to reset functions
Options
Lid-mounted reset key switch
Quick disconnect for incoming power and relay outputs
Quick disconnects up to 6 mat zone inputs
Solid-state safety output module
Safety relay output module
Description
The MC6 is a NEMA 4, 12 controller with six individual mat zone indicators and is designed to be backward compatible with the MC4. Both units are dimensionally identical. This is where the similarities stop: The MC6 has full featured diagnostics with a 24 VDC and an optional universal power supply (100-240 VAC autoselecting). It is a controller that can be use anywhere in the world.
The MC Series safety mat controllers are used in conjunction with a four-wire, normally open, safety mat where perimeter guarding is required. These control reliable controllers send a stop signal to the guarded machine when an object of sufficient weight is detected on the active mat area.
The MC Series controllers, when combined with a fourwire UM series mat, provide access guarding and improved productivity. The work area is fully visible and accessible.
The controller meets the requirement of EN 1760-1:1998, EN 954, ANSI/RIA 15.06-1999, ANSI B11.19-2003, OSHA 1910-217C. CSA and UL508.
Additional Guarding Requirements
A safety mat system is often only one part of a machine guarding solution. If the safety mat does not protect all access to the point of operation, additional guarding must be used. Safety mat systems should only be used to detect the presence, not the absence, of a force.
Perimeter Guarding Requirements
For perimeter guarding installations, the guarded machine or robot controller must be wired such that any stop signal generated by the safety mat system will cause an immediate stop of the hazardous motion. The machine or robot must only be restarted by the actuation of a manual reset switch. This reset switch must be located outside the area of hazardous motion and positioned such that the hazardous area can be observed by the switch operator. The
purpose of this arrangement is to prevent a machine or robot from automatically restarting once the sensing weight is no longer detected by the safety mat sensing area.
Safety Standards and Precautions
A Safety Mat controller is a general purpose, safety mat control device and is not designed for any specific type, model or brand of machine. All safety-related functions of the guarded machine controls including pneumatic, electric, logic or hydraulic controls must be control reliable.
A Safety Mat controller when combined with a four-wire safety mat meets ANSI/RIA R15.06-1999, ANSI B11.19-2003 and the following applicable OSHA standards. When used with mechanical power presses, OSHA standard 1910.217(c) applies. For other applications the requirements of section 1910.212 apply.
Only use a Safety Mat controller and four-wire safety mat system on machinery that stops consistently and immediately anywhere in its cycle or stroke. Never use a Safety Mat controller and four-wire safety mat system on a full-revolution clutched press or machine. Access to the point of operation or hazardous machine area not protected by the Safety Mat controller and fourwire safety mat system must be guarded by fencing, barriers or other
appropriate methods.
The purchaser, installer and employer are responsible for meeting all local state and federal government laws, rules, codes or regulations relating to the proper use, installation, operation and maintenance of this control and the
guarded machine. See Installation and Operation Manual for details. All application examples described are for illustration purposes only. Actual installations will differ from those indicated. |
 | Universal Safety Mat System - Heavy-Duty Four-Wire Presence Sensing Mats with Integrated (Non-Removable) Cable, Category 3 Controllers, and Perimeter Trim
System
When UM series mats are combined with an MC3, MC4 or MC6 controller (with complete diagnostics), the result is a system that meets the standard EN 1760-1:1998 and is entitled to display the CE mark. See below for an overview of the various components.
Mat
Activation force: 30 kg (66 lb.) per ANSI/RIA 15.06-1999, ISO 13856-1:2001, ANSI B11.19-2003, and CSA Z432-04
Conductive plates: 24 gauge galvanealed sheet steel
Contact yield strength in excess of 20,000 lb./sq. in.; Fork lift traffic of 12,000 lb.
Mat housing cross section: 13.5 mm (0.54 in.)
PVC black or yellow covering materials (other colors available on request)
Durometer of 80 (±) shore A
Single-piece molded construction
Mat flammability self extinguishing, meets UL94VO
IP67 rated
Operating temperature -37 to 66°C (-35 to 150°F)
Mat cable: 18-gauge, 4-conductor, 16-strand, 300 VAC
Cable length: Standard 5 m (16 ft.), Optional 10 m (32 ft.)
Controllers
Safety category 3 device
DIN-rail mount (MC3)
NEMA controllers (MC4, MC6)
24 VDC or with universal power supply 100 to 240 VAC
Trim
Two-part perimeter and joining trim simplifies installation and provides a custom appearance
Aluminum base surrounds mat, the safety yellow PVC cover secures mat in place, an aluminum cover that is installed in place of the PVC cover is also available
Two-part active joining trim joins multiple mats together
Molded inside and outside corners available as an option
Description
An Omron STI Universal Mat system (UM series mat combined with an MC3, MC4 or MC6) offers a simple method for guarding personnel around hazardous machines. A Universal Mat system offers freedom, flexibility, and
reduced operator fatigue when compared with traditional guarding methods such as interlocked fences, pullback restraints or perimeter barriers.
Full visibility of and access to the work area is maintained. There is no need to worry about personnel forgetting to replace mechanical barriers or close gates.
How the System Works
The operation of a Universal Mat system is easy to understand. The mat is a simple, normally open switch. When a specified minimum weight is applied to the mat the ′′switch′′ closes. This sends a signal to the controller which, in turn, sends a stop signal to the guarded machine.
Each mat presents four wires to the controller. This provides the redundancy required to monitor the wiring for open circuits due to incorrect wiring or physical damage to the wires.
In order to meet many national safety regulations, Omron STI offers trim to secure the mat to the floor so that it cannot be easily relocated and therefore become ineffective.
Applications
Presence sensing safety mats are used to monitor an entire hazardous area. They offer flexibility, quick access and may frequently be the most economic choice. Other options for perimeter guarding include interlocked barrier
guards and safety light curtains. However, personnel can become trapped inside a barrier guard and safety light curtains only monitor the perimeter, not the hazardous area inside.
Additionally, mats can also simplify routine tasks such as machine setup, maintenance and repair.
Applications can be found throughout industry and typically include the following areas:
Welding Robots
Assembly Machinery
Material Handling
Packaging Machinery
Punches
Presses
Robotic Work Cells |
 | EC Series Electrically Coded Interlock Switch and Control Unit - Replacement Parts
- The EC Series Control Units individually monitor one to four Read Heads to provide a Category 4 system for applications with up to four guard doors
- Uniquely coded actuators provide a high level of tamper resistance
- Misalignment of nearly 1/2 inch allows application on machine doors with a high level of vibration or alignment issues
- Manual or automatic start is switch selectable
- External Device Monitoring (EDM) allows the EC Series Control Unit to function as a safety monitoring relay
- The 6 A/24 VDC switching capability of the Control Unit allows connection directly to power contactors
- Individual guard door status may be monitored with the semiconductor outputs from the Control Unit; an additional output gives status of the Control Unit
- Guarding applications with more than four doors may be achieved by combining two or more Control Units in series while continuing to satisfy Category 4 according to EN954-1
- Approved for use in Class I, Div. 2 gas and dust applications
Description
The EC Series consists of a uniquely coded actuator, a read head (switch), and a control unit capable of monitoring 1 to 4 read heads.
The uniquely coded actuator is a device known as a transponder (transmitter and responder) while the read head is a device known as a transceiver (transmitter and receiver). The actuator (transponder) receives an electromagnetic field from the read head (transceiver), processes it and sends data signals back to the read head which are read by the control unit. The data signals received by the control unit must match the known data signals of the control unit in order to close the safety outputs of the control unit.
Each actuator has a uniquely coded element within the actuator that can not be reprogrammed which makes the actuators secure against manipulation. The ‘Teach-In Operation’ is used to ‘teach’ the control unit the code of each of the 1 to 4 actuators that are to be used with the read heads connected to the control unit. No additional equipment is required to perform the teach-in operation and there is no limit to the number of teach-in operations that may be performed.
The EC-S2 and EC-S4 control units provide EDM (External Device Monitoring, also called MPCE monitoring) and may be operated in manual or automatic start mode allowing the control unit to function as a safety monitoring relay. There are also 2 or 4 solid state outputs on the control unit for individual monitoring of the status of each read head plus an additional output for the monitoring of the status of the
control unit.
The EC-S1 switch is available with a wide variety of cable lengths to 25 meters or with an integral connector to accommodate a variety of application requirements.
Specifications are subject to change without notice.
Note: The safety contacts of the Omron STI switches are described as normally closed (N/C) i.e., with the guard closed, actuator in place, and the machine able to be started. |
 | CM Series Compact Coded Magnetic Safety Interlock Switch and Control Units - Replacement Parts
- A fully monitored system that meets Category 3 when 1 to 30 plus switches are used with the CM Control Units
- External Device Monitoring (EDM) with monitored manual or automatic reset
- NEMA 6 switch enclosures satisfy most application requirements
- Magnetically coded switches are tamper resistant to common magnets
- Misalignment tolerance of (5 and 9 mm) reduces nuisance tripping
- Dual channel N/C E-stop input is monitored by the CM-S41 control in addition to four CM switches
- Mechanical interlock switches may be used with the CM-S4 control unit
- CM control units may replace a safety relay in most applications
- CM-S221 switches with 2 N/C safety contacts and 1 N/O auxiliary contact may be used with many other safety monitoring relays accepting 2 N/C safety inputs including the SR103AM; CM-S221 switches are not compatible with Legacy Relay products or the SR203M/AM, SR208AD or SR209AD
Description
The CM switches are tamper resistant non-contact safety interlock switches that operate with their own control units except for the CM-S221 switch. The CMS221 switch will work with many safety monitoring relays accepting 2 N/C safety inputs. The CM control units will monitor one to four CM switches to category 3 in accordance with EN954-1.
The CM-S4 controller is designed to work with with non-contact switches with dry contacts 1 N/C + 1 N/O. The CM-S21 and CMS41 controllers and the CM-SE expansion module are designed to only accept CM-S11 and CM-S31 switches. These controllers sense voltage and current changes in the switch circuit when the actuator is presented to the switch.
The CM control units provide EDM (External Device Monitoring, also called MPCE monitoring) and an automatic reset function. This allows the CM control units to replace a safety relay in most applications.
The NEMA 6 encapsulated design of the CM Series switch makes it ideal for harsh environments.
Mechanical switches and CM Series switches may be used together with a single CM-S4 control unit for applications requiring both non-contact and mechanical safety interlock switches.
The CM Series switch and actuator are available in four sizes plus a stainless steel version to accommodate a variety of application requirements.
Specifications are subject to change without notice.
Note: The safety contacts of the Omron STI switches are described as normally closed (N/C) i.e., with the guard closed, actuator in place, and the machine able to be started.
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