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I

I

R

R

B

B

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4

4

X

X

 

 

 

 

    Includes Model IRB-EXP 

 

 

T

T

h

h

r

r

o

o

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u

g

g

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h

 

 

B

B

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a

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P

P

h

h

o

o

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t

o

o

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y

y

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UL 325 Non-compliant 

 

 

 

 
 

 
 
 

 

 

Operating Instructions 

 
 
 

 

 

This product is an accessory or part of a system. Always read and follow the 

manufacturer’s instructions for the equipment you are connecting this product to. Comply with 
all applicable codes and safety regulations. Failure to do so may result in damage, injury or 
death! 

 

IRB-EXP (For Explosive Environments)

 

Summary of Contents for IRB-4X

Page 1: ...perating Instructions This product is an accessory or part of a system Always read and follow the manufacturer s instructions for the equipment you are connecting this product to Comply with all applicable codes and safety regulations Failure to do so may result in damage injury or death IRB EXP For Explosive Environments ...

Page 2: ...nmental IRB 4X NEMA 4 IRB EXP NEMA 4 7 NEC Class I Groups B C D Class II Groups E F G CSA certified CENELEC certified EExd IIC Size IRB 4X 3 7 x 2 56 x 2 24 IRB EXP 4 69 x 4 5 x 3 44 Detection Angle 24o Sensitivity Adjustment Potentiometer Response Time 10mS max Range 3 to 115 feet Receiver Sensitivity Continuously adjustable single turn potentiometer figure 2 1 IRB 4X T has a 0 15 second relay ti...

Page 3: ... counter clockwise to increase gain range is 3 to 115 feet see arrow 6 The detect Led will glow red when an obstruction occurs 7 On some variable frequency drives and noisy installations it may be necessary to connect the bottom right mounting hole labeled Earth Ground to a wire connected to earth ground Do not connect unless necessary Use minimum gain setting needed to achieve reliable detection ...

Page 4: ...m Possible Cause Possible Solution Holds gate open No power on transmitter or receiver Check power LEDs and power source Transmitter not working Install new transmitter Receiver not working Install new receiver Sensitivity set too low Adjust sensitivity Does not activate gate Bad connection or broken wires Check wires and connections Relay contacts burned or stuck Replace receiver Interference fro...

Page 5: ...t Transmitter board only IRB RX Replacement Receiver board only IRB BR Set of 2 L Brackets IRB HD SET Set of 2 Gold Aluminum hoods IRB SH SET Set of 2 Gray Powder coated steel hoods IRB S Set of 2 Nylon screws with nuts IRB EXP IRB Transmitter and Receiver in Explosive environment housing This manual covers the IRB 4X and IRB EXP models OBSOLETE PRODUCTS IRB 4X T IRB Transmitter and Receiver in NE...

Page 6: ...6 Document no 10060104 REV 1 6 Date 1 24 17 Installer notes ...

Page 7: ...7 Document no 10060104 REV 1 6 Date 1 24 17 ...

Page 8: ...0104 REV 1 6 Date 1 24 17 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 salessupport emxinc com ...

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