Safety Mats & Area Guarding
MC Controllers
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MC3
MC3, MC4 and MC6 Series
Safety Mat Controllers
The MC Series safety mat controllers are used in conjunction
with a four-wire, normally open, safety mat where perimeter guard-
ing 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 four-wire
UM or UMQ 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 13849-1, ANSI/RIA 15.06-1999 (R2009), ANSI B11.19-2010,
OSHA 1910-217C. CSA and UL508.
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US
MC6
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Universal power input
Up to 6 mat zone inputs
Six mat zone status indicator LEDs
Select from Automatic Start, Start/Restart Interlock or Start
Interlock operating modes
MPCE monitoring
Remote access to reset functions
2-digit numeric display for fault diagnostics
Surface mount, lockable metal enclosure
Options
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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
MC3
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.
MC4
The MC4 is a NEMA 4, 12 rated single zone mat controller. This
controller may be used in applications when the diagnostic fea-
tures 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.
Perimeter Guarding Requirements
For perimeter guarding installations, the guarded machine or
robot controller must be wired such that any stop signal gener-
ated 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.
MC6
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 auto-
selecting). It is a controller that can be used anywhere in the world.
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F-12
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MC Controllers
Safety Mats & Area Guarding
Specifications
Controller Specifications
Performance
Category 3 Safety Device:
Max Input Resistance:
Response Time:
Indications:
MC3
Yes
8 ohm per input channel
< 30 msec
1 - Green = Run
1 - Red = Stop
1 - Green = Mat Clear
MC4
MC6
Operational Modes: (Selectable)
Automatic Start, Start/Restart Interlock
1 - 2 Digit Diagnostic Display
1 - Green = Run
1 - Red = Stop
1 - Green = Mat Clear
1 - Yellow = Interlock
6 - Red = Mat Zones
DIP Switch Selected, Automatic
Start, Start/Restart Interlock Start
Interlock
Electrical
Power Input:
24 VDC ± 15% < 3 watts
24 VDC ± 10% < 3 watts
or Autoselecting,
100 - 240 VAC ± 10%, 20 watts
Safety Inputs:
Safety Output Relays:
Maximum Switched Current:
MPCE:
Aux. Output Relay:
Maximum Switched Current:
Relay Life:
Terminal Blocks:
Options
Solid-State Outputs
Solid-State Safety Outputs:
Maximum Switched Current:
Solid-State Aux. Outputs:
Maximum Switched Current:
One - 4-wire UM Safety Mat, or
group series as one input.
Approximately 12 multiple mats
may be connected to a single zone
in series; Do not exceed 8 ohms
per input channel
2 NO and 2 NC
230 VAC, 6 A, 1500 watts 24 VDC - 2 A Inductive, 6 A Resistive
n/a
None ( NC may be used as Aux)
230 VAC, 6 A, 1500 watts
30 VDC, 1.0 A
Mechanical = 10M operations
Removable Pressure point screw
24 VDC ± 10% 10 watts (Relay),
24 VDC ± 10% 50 watts (Solid-
State), or Autoselecting,
100 - 240 VAC ± 10%, 20 watts
Connections for up to six, - 4-wire UM Safety Mats
Approximately 12 multiple mats may be connected to
a single zone in series
Do not exceed 8 ohms per input channel
F
230 VAC, 6 A, 1500 watts
2 NO and 1 NC
230 VAC, 7 A, 1600 watts 24 VDC -
2 A Inductive, 6 A Resistive
DIP Switch -
1 NO and 1 NC
125 VAC, 0.5 A
Cage clamp terminal strip
Cage clamp terminal strip &
2-part terminal blocks
n/a
n/a
n/a
n/a
2 Current Sourcing 24 VDC (PNP)
0.625 A @ 24 VDC
1 Current Sourcing (PNP) and
1 Current Sinking (NPN)
Current Sourcing Max:
0.5 A @ 24 VDC
Current Sinking Max:
0.1 A @ 24 VDC
±8 kV (air discharge), ±6 kV (contact discharge)
10 V/m, 80 to 1,000 MHz
±2 kV (all power and I/O ports)
± 2 kV (all power and I/O ports)
0.22 kg (0.8 lbs.)
Approx 4 kg (9.0 lbs.)
TUV, CE, cCSAus
TUV, CE, cCSAus
TUV, CE, cCSAus
CE Certificate # BB9910347 01
CE Certificate # BB9910347 02
CE Certificate # BB2110242 01
cCSAus Certificate # LR90200-14
cCSAus Certificate # LR90200-14
cCSAus Certificate # LR90200-14
Designed to Meet or Exceed:
EN1760-1998, EN13849, ANSI/RIA15.06-1999 (R2009), ANSI B11.19-2010, OSHA 1910-217C, CSA AND UL508
Specifications are subject to change without notice.
Reset Function
Key-switch (factory installed):
Remote:
Mat Input Connectors:
Power Input and Safety Output
Connector:
Enclosure:
Mounting:
Environmental
Protection Rating:
Operating Temperature:
Relative Humidity:
Vibration:
Shock:
Electromagnetic Compatibility (EMC)
Electrostatic Discharge (ESD):
Radiated RF Field:
Electrical Fast Transients (EFT):
Surge:
Shipping Wt.:
Standards of Conformity:
n/a
Yes
user supplied, Key-switch, or Pushbutton
n/a
Up to six quick-disconnect connectors
n/a
Yes
Polycarbonate
35 mm DIN rail
Polyurethane-painted 14 ga. steel
Surface Mount
IP20
IP65/NEMA 4, 12
0 to 55°C (32 to 131° F)
0 to 55°C (32 to 131° F)
90%
5-60 Hz at 5 g max on three axis
10-55 Hz at 5 g max on three axis
10 g for 0.016 sec., 1000 shocks for each axis on 3 axis
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F-13
MC Controllers
Safety Mats & Area Guarding
Dimensions
MC4, MC6
1.40
35.6
3.50
88.9
(in./mm)
0.875
KNOCKOUT
22.2 (3 PLCS)
OPTIONAL CONNECTOR
AC POWER INPUT & RELAY OUTPUT
9-PIN FOR MC4
12-PIN FOR MC6
1.35
34.3
1.75
44.5
TOP VIEW
7.43
188.7
Scientific Technologies Inc, Fremont CA 94555-3611 USA
3.29
83.6
2.81
71.4
0.30
MTG HOLES (8 PLCS)
7.6
4.00
101.6
9.55
242.6
F
12.37
314.1
MIN.
12.97
329.3
MIN.
2.05
52.1
BACK VIEW
RIGHT SIDE VIEW
10.80
274.3
10.05
255.3
13.36
339.3
MIN.
LEFT SIDE VIEW
6.55
166.4
FRONT VIEW
MAT CABLE
0.58
OD
CONNECTOR 14.7
MAT CONNECTORS
1.72
43.6
0.53
KNOCKOUT
13.5 (6 PLCS)
DIA
0.97
24.5
2.71
68.9
BOTTOM VIEW
0.96
24.4
1.84
46.7
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MC Controllers
Safety Mats & Area Guarding
Dimensions (continued)
MC3
15.3
0.6
75
2.95
(mm/in. )
UMDB-6
101.6
4.00
38.1
1.50
60.5
2.38
Mtg Holes
215.9
8.50
Mtg Holes
MAT3
Mat 3
Mat 4
98
3.9
MAT4
110
4.3
228.6
9.00
217.4
8.56
38.1
1.50
MAT2
Mat 2
Mat 5
MAT5
MAT1
Mat 1
Mat 6
MAT6
Out to
Controller
35.5
1.4
Side View
61.2
2.4
38.1
1.50
OUT
115.8
4.56
78..2 75.7
3.08 2.98
Ref
Ref
F
38.1
1.50
50.8
2.00
55
2.2
7.5
0.3
38
1.5
1.5
0.06
Bottom View
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F-15
MC Controllers
Safety Mats & Area Guarding
Wiring
MC6 with Multiple Mats Connected to One Zone
MC6
TERMINAL CONNECTIONS FOR SAFETY MATS
ZONE 1
1WHT
1BRN
1BLU
1BLK
2BLK
TB1
ZONE 2
2WHT
2BRN
2BLU
3BLK
ZONE 3
3WHT
3BRN
3BLU
4BLK
ZONE 4
4WHT
4BRN
4BLU
5BLK
ZONE 5
5WHT
5BRN
5BLU
6BLK
ZONE 6
6WHT
6BRN
6BLU
TB4
(BROWN)
MAT 1
(WHITE)
(BROWN)
MAT 2
(WHITE)
(BROWN)
MAT 3
(WHITE)
(BLACK)
(BLUE)
(BLACK)
(BLUE)
(BLACK)
(BLUE)
(BLUE)
BLACK
BLUE
WHITE
F
(WHITE)
MULTIPLE MATS MAY BE CONNECTED TO THE CONTROLLER USING THIS METHOD.
THE ABOVE EXAMPLE SHOWS 4 MATS WIRED.
MATS MUST BE CONNECTED IN SEQUENCE, USING ZONE 1, ZONE 2, ZONE 3, etc.
DIP SWITCHES MUST BE SET TO THE NUMBER OF ZONES BEING USED.
MAT 4
BROWN
Mat Connections for Listed Controllers
• The MC4 and MC6 controllers may be ordered with up to
6 mat connectors (part #60477) installed.
• When using the MC3 controller, part #60477 may be
ordered for mounting in customer enclosure.
UMDB-6
BLU
WHT
MAT3
BRN
BLK
BRN
BLK
female male
MAT4
WHT
BLU
female
MALE CONNECTOR
MC12 Male Single Key
CONTROLLER WIRE COLORS
(MC4) (MC6) (MC3)
BRN
BLK
BLU
WHT
BRN
BLK
BLU
WHT
M12
M11
M21
M22
(BROWN)
(BLACK)
(BLUE)
(WHITE)
#20 PIN CONTACT
(4 PLCS)
MATING/FACE VIEW
MAT CONNECTOR WIRING
INDEX/
KEYWAY
BROWN
BLACK
1
2
WHITE
4
3
BLUE
(BLUE)
(WHITE)
(BROWN)
male
(TOP PLATE)
(WHITE)
MAT 1
(BLACK)
(BOTTOM)
MAT1
MAT2
male
WHT
BLK
BRN
female
BLU
MAT5
BRN
BLU
WHT
BLK
(BLUE)
female
male
female
WHT
BLU
BLK
BRN
male
male
male
MAT6
BLK
BRN
BRN
BLU
WHT
BLK
female
male
female
BLU
BRN
WHT
BLK
female
female
BLU
WHT
male
Female Terminal Installs
Inside Male Terminal
female
male
OUT
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F-16
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