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IRB-MON Operating Instructions 

 

11 

Document no.

  10280104 

 

 

 

Troubleshooting  

 

Symptom 

Possible cause 

Solution 

Does not detect obstruction 
of beam 

Sensitivity too high 
 
 
Signal is reflecting off another 
surface 

Adjust SENSITIVITY pot 
counter-clockwise 
 
Check area for highly reflective 
surfaces 

Green LED flashes 
continuously (indicating an 
obstruction when an 
obstruction is not present) 

Sensitivity too low 
 
 
Transmitter does not have 
power 
 
 
Receiver does not “see” 
transmitter 

Adjust SENSITIVITY pot 
clockwise 
 
Check power source for 
transmitter 
 
Make sure transmitter and 
receiver have line of sight 
alignment 

Receiver activates but does 
not transmit signal to 
operator 

Faulty connection between 
receiver and operator control 
input 

Verify all wires and terminal 
connections  

Receiver green LED off (1) 

Transmitter too close to 
receiver 

Adjust SENSITIVITY pot 
counter-clockwise 
 
Increase distance between 
transmitter and receiver 

 

(1)

 

When transmitter is too close to the receiver the green LED will turn off, this prevents 
mounting the photo eyes in close proximity. 

 

 

 

Summary of Contents for IRB-MON

Page 1: ...ting Instructions 4564 Johnston Parkway Cleveland Ohio 44128 P 800 426 9912 F 216 518 9884 Sales Inquiries salessupport emxinc com Technical Support technical emxinc com www emxinc com IRB MON UNIVERS...

Page 2: ...nt no 10280104 Contents Cautions and Warnings 2 Product Overview 2 Specifications 3 Configuration settings and indicators 3 Installation 9 Verification and Operation 10 Troubleshooting 11 Ordering Inf...

Page 3: ...cted The operating range is up to 115ft The IRB MON operates over a wide range of 6 35VDC and 12 24VAC A green alignment indicator on the receiver provides status information at a glance making set up...

Page 4: ...ht TX 0 35 lbs 159g RX 0 35 lbs 159g Connections TX 2 terminals RX 5 terminals CONFIGURATION SETTINGS Remove power when changing configuration settings SW4 SW3 SW2 SW1 JUMPER FUNCTION ON OFF OFF OFF N...

Page 5: ...ocument no 10280104 RESISTIVE NOTE Remove power when changing Configuration settings NOTE The relay contacts on the board and the references to them in these Instructions are shown in the energized st...

Page 6: ...t no 10280104 WIRING DIAGRAM A N C NOTE Remove power when changing Configuration settings NOTE The relay contacts on the board and the references to them in these Instructions are shown in the energiz...

Page 7: ...IRB MON Operating Instructions 6 Document no 10280104 WIRING DIAGRAM B...

Page 8: ...IRB MON Operating Instructions 7 Document no 10280104 PULSE NOTE Remove power when changing Configuration settings...

Page 9: ...IRB MON Operating Instructions 8 Document no 10280104 WIRING DIAGRAM C TRANSMITTER WIRING...

Page 10: ...minals marked POWER INPUT on the receiver marked RX polarity is not required 7 FOR CONFIGURATION 0 ONLY Operators that require normally closed contact for entrapment protection connect terminal NC and...

Page 11: ...2 Place an obstruction ex hand between the IRB MON transmitter and receiver The green LED on the receiver is flashing Check the operator control board that the safety input is actuated 3 Remove the o...

Page 12: ...power Receiver does not see transmitter Adjust SENSITIVITY pot clockwise Check power source for transmitter Make sure transmitter and receiver have line of sight alignment Receiver activates but does...

Page 13: ...mer This warranty does not cover normal wear and tear abuse misuse overloading altered products damage caused by incorrect connections lightning damage or use other than intended design There is no wa...

Page 14: ...ocument no 10280104 4564 Johnston Parkway Cleveland Ohio 44128 United States of America www emxinc com Technical Support 216 834 0761 technical emxinc com Sales 216 518 9888 Fax 216 518 9884 salessupp...

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