Tapeswitch PRSU/4 Operating Instructions Manual Download Page 9

 

© 

Copyright (2021) 

All

 rights reserved. Changes, which serve technical improvements are reserved.

 

 

PRSU/4, PRSU/5 Operating Instructions Manual (Revision 3.0) 

 
 
 

 
Fault Diagnostic and Subsequent Measures 
 

If the controller appears to be operating erroneously, please use the following  
diagnostic guide to determine what action should be taken.

 

 

 

 

Ground fault AC/DC 
(with electronic fuse 
protection)

 

If the input fuse blows and the output contacts open, safely locate the source 
of the fault and correct it, then replace the input fuse and follow the “Device 
Startup Verification” procedure on Page 4 of this manual. If normal operation 
of the device does not resume, retire the device and send to Tapeswitch  
Corporation for evaluation.

 

 

Faulty/welded 
Contact  
 

In the case of welded contacts, the device can no longer implement its  
intended function. Retire this device and send back to Tapeswitch  
Corporation for evaluation. 

 

Only one or no 
LED illuminates

 

In cases where either one or both “Channel” LEDs is OFF during normal  
operation, please verify that the device is properly wired. If the problem  
persists, the device is no longer capable of service. Retire the device and 
send to Tapeswitch Corporation for evaluation. 
 
 

 

Excessive contact-
to-contact resistance 

In cases where the device does not appear to operate properly, perform the 
following checks (cables removed from controller ports):  
 

1.  Upper (cables between S22 and S21) conductor plus total cable  

resistance in the unactuated state. Must be less than 10Ω. 
 

2.  Lower (cables between S11 and S12) conductor plus total cable 

resistance in the unactuated state. Must be less than 10Ω. 

 

3.  Upper to lower (cables going from S11 to S21) conductor plus total 

cable resistance. Measure at both sides (includes S21 to S22) during 
actuation

. Must be less than 200Ω. 

 
If the results exceed the stated limits, the system will need one or more  
additional controllers to conform to the maximum resistance parameters per 
relay. 
 
If the results are within the allowable limits and the controller is still not  
working, contact Tapeswitch as the unit is likely faulty. 
 

 

 
 

 

Summary of Contents for PRSU/4

Page 1: ...plants who are familiar with the safety instructions and safety regulations Skilled personnel who build install maintain and operate safety equipment in plants and machinery Symbol Key These operating...

Page 2: ...egulations for safety at work and accident prevention and who have read this manual s content in full Installation assembly and maintenance of electrical equipment is only permitted by specialized sta...

Page 3: ...ons Manual Revision 3 0 PRSU 4 PRSU 5 Output Contacts A1 A2 13 14 23 24 33 34 41 42 S33 S34 S11 S12 S21 S22 Power supply inputs Safety relays normally open Auxiliary relay normally closed RESET mode c...

Page 4: ...onitoring of the switches sensors will only occur once a RESET signal is received by bridging S33 and S34 with an appropriately rated wire See Pages 5 through 7 of this manual for more information Aft...

Page 5: ...otch on the rear of the unit for DIN Rail attachment Electrical Connections Wire the device based on which of the following options best suits the target application RESET Mode Control Wiring 1 Automa...

Page 6: ...he closure is broken and a RESET signal is manually generated by the operator via a mechanical N O pushbutton or switch 3 Conditional In this operating mode the RESET signal cannot propagate unless al...

Page 7: ...to de energize Warning For this configuration to work as intended the series resistance between each end of the sensor s conductors cannot exceed 10 Additionally the short circuit resistance between...

Page 8: ...no terminal of the device is connected to a live voltage before continuing 2 Unscrew terminals A1 and A2 from the device before removing any other connections 3 One at a time free connections from the...

Page 9: ...es In cases where either one or both Channel LEDs is OFF during normal operation please verify that the device is properly wired If the problem persists the device is no longer capable of service Reti...

Page 10: ...ifetime 105 switching cycles DC 24V 2A 105 switching cycles DC 24V 2A Creeping Distance and Clearance EN 50178 at pollution grade 2 over voltage category 3 250V Basis isolation over voltage category 3...

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