Safety Mats & Area Guarding
UMA Series
UMA Safety Mat System
Heavy-duty two-wire or four-wire presence
sensing safety mats with quick disconnect
cables, perimeter trim and Cat. 3 controllers
System
When UMA series mats are combined with an
SCC-1224A,
MC3,
MC6, or other Omron programmable safety controller (with
complete diagnostics), the result is a system that meets the
standard EN ISO 13856-1 and is entitled to display the CE mark.
See below for an overview of the various components.
UMA Series Mat
•
IP65 rated
•
Single-piece molded polyurethane (PUR) construction
•
Black or yellow color
•
Easy cable connection
Controllers
• Safety category 3 devices
• DIN-rail mount (MC3)
• NEMA MC6 controllers
Trim
• One-part or Two-part perimeter and joining trim simplifies instal-
lation and provides a custom appearance
• Two options for trim kit corners: Mitered and molded
Note:
Trim options are unchanged from UM and UMQ series.
Identical sizes are backward compatible., except for metric trim kits,
which will no longer be made to the nearest half inch. UMA mats and
trim kits will now be made to their true metric dimensions.
LISTED
Description
The UMA Mat System offers quick-connect M8 connectors on
the mat that easily conceal under the trim offering easier instal-
lation and quick replacement. The system can be used with
with the MC3 and MC6 4-wire controller; UMA mats can also be
directly connected to NX-S or G9SP programmable safety control-
lers eliminating the need to intermediate controllers.
Safety Mats are ideally suited to harsh environments where
devices such as laser scanners and light curtains can false trip
due to contaminants in the environment. Safety mats when used
as a start-up prevention device offer additional worker protection
offering continual detection in hazardous areas.
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
How the System Works
The operation of a UMA 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 two wires with a terminating resistor or four
wires to the controller providing the redundancy required to moni-
tor 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.
In order to meet many national safety regulations, Omron STI
offers ramp trim to minimize tripping and to secure the mat to the
floor so that it cannot be easily relocated and therefore become
ineffective.
OSTI PN: 99965-0010 RevA 022017
1
Specifications
Mechanical
Detection Method:
Mat Cover Material:
Mat Type:
Activation Force:
Response Time (Reference only):
Dead Zone (or Inactive Edge):
Maximum Load:
Mechanical Durability:
Mat Exit Cable:
Pressure Sensitive
Polyurethane
(PUR)
Normally open SPST, four-wire (1-cable type) or two-wire (2-cable type)
available
300 N (67 lbf) min. to 80 mm (3.14 in.) dia. test piece
Average of 30 ms (measured at the center of the mat, at room temperature)
10.2 mm (0.4 in.) around the inside perimeter of active surface
2,000N (450 lb) to 80 mm (3.14 in.) dia. body
1,862 kPa (270 lbs/in.2) (rolling load (stationary))
1 x 10
6
operations min.
Model No. ending ‘-1’: 1 exit cable, M8 4-pin cable, 4 conductors, 22 AWG,
male
Model No. ending ‘-2’: 2 exit cables, M8 3-pin cable, 2 conductors, 22
AWG, 1 male and 1 female
Approx. 27kg/m
2
IP65
-10 to 55°C (14 to 131°F)
20.4V to 28.8V
0-95% RH
Mat Weight:
Environmental
Protection:
Operating Temperature:
Mat Electrical Rating:
Operating Humidity:
Mat Chemical Resistance*:
*40 minute exposure at 23°C (74°F)
Water:
Distilled water: Good for brief exposure
Tap water: Excellent
Salt water: Excellent
Sulfuric acid, 20% (by volume): Good
Hydrochloric acid, 20% (by volume): Poor. Clean up immediately if spilled
15 to 40% Phosphoric acid stainless steel cleaner (diluted to 10%): good
200 Grain white vinegar (20%): Good for brief exposure under one hour
Lactic acid, 88%: Good for brief exposure under one hour
Lemon juice, 100%: Good for brief exposure under one hour
Phenolic aldehyde: Good
Ammonia all-purpose cleaner 7 to 7.5% (by volume): Good
25% Lye solution (by weight): Excellent
Gasoline (5 to 10% Ethanol additive): Poor. Clean up immediately if spilled
Hydrocarbon solvent: Excellent
Acetone: Good
ISO alcohol 100%: Good
Allow natural evaporation if spilled
Bleach: Good
Mineral oil/dielectric fluid: Good
Synthetic cutting fluid: Good
Machine oil: Good
EN12978, EN ISO13849-1, EN 13856-1, UL NKCR/NKCR7 Auxiliary
Devices: ANSI/UL 508, ANSI/UL 60947-1, ANSI/UL 60947-5-1, CSA-C22.2
No. 14
UL E195653: NKCR/NKCR7
SIL2; PFHd 4.8E-08; PLd; Category 3
Mineral Acids:
Organic Acids:
Aldehydes:
Caustics:
Petroleum Solvents:
Organic Solvents:
Chlorinated Solvents:
Dielectric Fluid:
Conforming to Standards:
Approvals:
Integrated systems of mats and controller (MC3.or MC6)
2
UMA Series
Safety Mats and Area Guarding
Mat Selection
Multiple UMA series mat sizes are offered. A system can easily be configured to meet almost any
guarding requirement. Cables exit on the side of the mat where the logo is located.
Standard Mat Sizes
Widths (A)
Lengths (B)
Metric Mat Sizes
Widths (A)
Lengths (B)
Custom Mat Sizes
Widths (A)
Lengths (B)
500 to 1800 mm
500 to 1800 mm
Imperial
From 12 in. up to 72 in. (0.5 in. increments)
From 12 in. up to 72 in. (0.5 in. increments)
Metric
From 500mm up to 1800mm (50mm increments)
From 500mm up to 1800mm (50mm increments)
12 to 72 in.
12 to 72 in.
Maximum Size is either 48 in. x 72 in. or 72 in. x 48 in.
Maximum Size is either 1200 mm. x 1800 mm. or 1800 mm x 1200 mm
Maximum Size is either 48 in. x 72 in. or 72 in. x 48 in.
Note:
Max. wire length as noted above.
“B” side
“B” side
“A” side
“A” side
M8, 4-pin, 4-wire male
M8, 3-socket, 2-wire female
M8, 3-pin, 2-wire male
Mat Dimensions
For mat shown (UMA3660), active mat area is 36 in. x 60 in.
Overall mat size is 36.5 in. x 60.5 in.
“Step” adds 0.25 in. to perimeter.
36.50
Step
0.25
0.25
Mat without Trim
Active Mat
(Blue Lines)
Active Mat
0.25”
Mat “Step”
(Red Dashed Lines)
0.25
36.00
Active Mat
60.50
Step
60.00
Active Mat
“Step” portion of mat (inactive) is used
to “seat/place/hold” trim
3
Trim Selection
Several choices are available in trim selection and can be customized to a specific application.
Two-Part Ramp Trim with Yellow PVC Cover (TKM):
- Ramp trim, aluminum base & PVC cover with mitered corners
- + / - 2.75 in. to mat layout dimensions
This trim simplifies routing of cables and replacement of dam-
aged mats. To position the mats correctly, place all of the mats in
the approximate position, place the joining trim between the mats,
then temporarily place the cover on the joining trim. Square the
mats by sliding the ramp trim under the mats. When all of the mats
are correctly positioned, anchor the perimeter trim to the floor. After
the wires have been routed, a rugged cover of highly visible, safety
yellow PVC is snapped into place. Corners can either be mitered or
be our exclusive molded corners.
Two-Part Ramp Trim with Aluminum Cover (TKAT)
- Ramp trim, two-part aluminium with mitered corners.
- + / - 2.75 in. to mat layout dimensions
69.6
2.75
This trim is the same as above except
Aluminum
Cover
that the PVC cover is replaced with an
aluminum cover that is attached by screws
to the base. (See the Dimensions Section of
Aluminum Base
this datasheet for details.)
69.6
2.75
PVC Cover
Aluminum Base
91.4
3.60
13.7
0.54
28.6
1.13
17.5°
17.5°
Aluminum Ramp Trim (TKA)
- Ramp trim, one-part aluminium with mitered corners.
- + / - 2.50 in. to mat layout dimensions
This single part aluminum ramp trim is available
for areas where the two part ramp trim may not be
suitable.
63.5
2.50
1-Part
Aluminum
19.53
0.77
13.7
0.54
13.6°
9.35
0.37
Aluminum Blunt Trim (TKB)
- Blunt trim, one-part aluminium with mitered corners or right angle corners .
- + / - 1.00 in. to mat layout dimensions
Used to finish off the edge of a mat installation near a wall or machine. Helps hold
mats in place. Use blunt end for sides of the mat without wheels or foot traffic only.
Molded Corners (TKC)
- Perimeter ramp trim, aluminium base and PVC cover with molded corners.
- + / - 2.75 in. to mat layout dimensions
25.4
1.00
13.7
0.54
Blunt Trim
25.4
1.00
13.7
0.54
Eliminates the need to miter the corners of perimeter trim. Designed to mate with Omron STI two-
part PVC or aluminum trim.
69.9
2.75
PVC Cover
Aluminum Base
91.4
3.60
13.7
0.54
Molded Corners
15.1°
30. 58
1. 204
58. 42
2. 300
21. 89
0. 862
57. 48
2. 263
72. 39
2. 850
94. 62
3. 725
58. 42
2. 300
72. 39
2. 850
94. 62
3. 725
57. 48
2. 263
Molded
Corners
Outside
94. 62
3. 725
72. 39
2. 850
30. 58
1. 204
94. 62
3. 725
72. 39
2. 850
21. 89
0. 862
Molded
Corners
Inside
4
UMA Series
Safety Mats & Area Guarding
Typical Mat Trim and Examples of Calculations
Typical Mat Trim Combination - TKS: TKM (Ramp) + TKB (Blunt)
TKM Ramp
Blunt side for machine
TKM Ramp
TKB Blunt
TKB Blunt
TKM Ramp
TKM Ramp
TKB Blunt
TKM Ramp
Ramp side for wheeled and foot traffic
With or Without Trim
If trim is not included:
If trim is included:
Outside dimensions become 53.5 in. x
Outside dimensions stay 48 in. x 60 in.
65.5 in.
Active mat becomes 42.5 in. x 54.5 in.
Active mat will be 48 in. x 60 in.
(Custom Size)
(Standard Size)
53.50 Mat
Trim on
2.75 in. (69.9 mm)
with trim
outside
42.50 Mat
2.75 in. (69.9 mm)
2.75 in. (69.9 mm)
Trim on
without trim
inside
48.00 Mat
without trim
60.00 Mat
without trim
65.50 Mat
with trim
48.00 Mat
with trim
60.00 Mat
with trim
54.50 Mat
without trim
If dimensions DO NOT include trim,
trim is ADDED to layout perimeter
(+2.75 in. (69.9 mm)) on all sides.
If dimensions DO include trim, trim is
SUBTRACTED to layout perimeter
(-2.75 in.(69.9 mm)) on all sides.
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