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MR380-0-UNI Universal SM/MM OEM E-Stop & Microswitch Controller

MR380-0 OEM Controller


MR38X-0-UNI Universal OEM Controller

The MR380-0-UNI Universal OEM Controller is a low-cost, small form factor PCB designed to be embedded into the user’s product or system. This controller operates at 1310nm and be used for both multimode (50/125 and 62.5/125) and single mode (9/125) fiber installation employing any MR38X ZapFREE® Fiber Optic Signaling Sensor.





Functional States MR386 Series Fiber Optic Microswitch
For MR386 Normally Open (NO)
-Plunger Up
-Plunger Down (Normal State)

LED=Off, Logic Output=LO, Open Collector Output =OFF
LED=On, Logic Output=HI, Open Collector Output =ON
For MR386 Normally Closed (NC)
-Plunger Up (Normal State)
-Plunger Down

LED=On, Logic Output=HI, Open Collector Output =ON
LED=Off, Logic Output=LO, Open Collector Output =OFF
Functional States MR387 Series Fiber Optic Emergency Stop
E-Stop in Up Position (Reset State)
(Light throughput/Monitoring State)
LED=On, Logic Output=HI, Open Collector Output =ON
E-Stop in Down Position (E-State)
(Light interrupted)
LED=Off, Logic Output=LO, Open Collector Output =OFF
Electrical NOTE: Electrical connections shall not exceed 3 meters.
Interface CamdenBoss P/N CTB1301/6A (one included with Controller)
6C, Screw-Type Terminal Plug, 5mm contact spacing, 1.5mm cable entry
Logic Output High=4.5V min (2k Ω Load), Low=0.25V max
Open Collector Output Maximum Load Voltage=24 VDC
Maximum Current 180mA, Protected by resetable fuse
Power Supply +5V to +24V DC Maximum, <80mA input
Optical Class 1 Eye Safe
Operating Wavelength 1310nm, VCSEL
System Loss Budget 18dB for SM, 21dB for MM 62.5/125
Compatible Fiber Types OM1 62.5/125μm Multimode Fiber
OM2 50/125μm Multimode Fiber
OS1 9/125μm Single Mode Fiber
Maximum Distance Distance is a function of the user’s system loss budget which is the total round-trip loss of all optical link components – sensors(s), connectors, splices and cable segments.
Consult Application Note AN118 for more information.
Contact Micronor Sensors for longer distance applications.
Optical Interface LC Duplex, PC Polish
Explosive Atmospheres Inherently Safe, Optical Radiation
EX Classification Controller shall be installed in non-hazardous location only
Power supply to Controller shall be current limited to 200mA or less
ATEX [EPL Mb/Gb/Gc/Db/Dc]
IEC Ex [EPL Mb/Gb/Gc/Db/Dc]
North America Controller shall be installed in non-hazardous area only
Environmental Performance
Temperature/Humidity -40°C to +70°C (-40°F to +158°F), 0-85% RH, Non-Condensing
Ingress Protection IP00 (none)
Physical Attributes
Mounting 4x #2-56 or M2.5 screws, Mounting Pattern=1.60 x 2.60 inches
Housing 5.08 x 7.62 cm (2.00 x 3.00 inches)
Weight 25 g (1 oz)
Country of Origin Switzerland

Specifications subject to change without notice


  • Compact, PCB form factor
  • For use with either multimode (50/125 OM2/OM3 or 62.6/125 OM1) or single mode (9/125 OS1/OS2) fiber
  • Controller’s inherently safe, optical radiation is approved for EPL Mb/Gb/Gc/Db/Dc applications
  • For increased safety, the controller is designed to default to the emergency state when: (1) switch is depressed, (2) in case of broken fiber, (3) in case of a fiber being disconnected, or (4) loss of power.


  • Digital logic output
  • Open-Collector output for controlling an external relay


Call +1-805-389-6600 or email

Ordering Information

MR380-0-UNI Universal OEM SM/MM E-Stop/Switch Controller Board

Quick Ship Configurations

MR380-0-UNI Universal (SM/MM) OEM E-Stop/Switch Controller Board
MR387-2S-03 E-Stop, 30mm Button, 62.5/125 MMF Pigtail, Interface=Duplex LC, Length=3m
MR387-2S-D00 E-Stop in IP Housing, 30mm Button, For 62.5/125 MMF Link, Interface=ODVA IP-LC Receptacle
MR387-3S-03 E-Stop, 30mm Button, SMF OS1 Pigtail, Interface=Duplex LC, Length=3m
MR387-3S-D00 E-Stop in IP Housing, 30mm Button, For OS1 SMF Link, Interface=ODVA IP-LC Receptacle