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INTRODUCTION 

'l'he  SSD  Ranger  is  a  non--contacting  proximity  transducer  which 

is  specifically  designed  for  reel  diameter  measurement  and 

other  applications  such  as  material  loop  height  control. 

Non-contacting  operation  is  possible  by  using  pulses  of 

ultrasonic  energy  which  can  be  reflected  back  from  the  target. 

If  the  time  taken  for  the  pulses  to  be  returned  to  the 

transducer.  is  measured, 

direct  indication  of  distance  can  be 

calculated. 

The  measurement  of  distance  is  indicated  as  an  analogue 

voltage.  which  can  be  scaled  to  give  full  scale  output  for  any 

distance  within  the  range  of  the  transducer. 

The  transducer  consists  of  two  parts  which  are  connected 

together  using  a  twin  core  screened  cable. 

The  sense 

head 

comprises  a  heavy  duty  diecast  box  which  houses  the  two 

ultrasonic  heads. 

The  box  is  positioned  such  that  the 

ultrasonic  heads  point  towards  the  object  to  be  measured.  The 

control  module  can  be  located  a  considerable  distance  from  the 

sense  head.  and  contains  processing  circuitry  to  output  an 

analogue  signal  proportional  to  distance. 

The  control  module 

is  powered  from  110  or  240  VAC  and  in  turn  powers  the  sense 

head  via  the  twin  screened  cable. 

No  external  power  is 

required  for  the  sense  head. 

Other  standard  features  are  user  relay  contacts  for  transducer 

healthy  and  user  range  trip. 

This  trip  level  can  be  adjusted 

either  using  the  on  board  or  external  user  potentiometers.  On 

board  indication  is  also  given  for  under  and  over  range  as  well 

as  transducer  healthy  and  rang�  trip.
Protection  is  also  given  against  loss  of  signal  from  the 

target. 

If  the  signal  is  lost.  an  over  (diameter}  range  occurs 

and  the  last  value  of  range  is  held  on  the  output.  A  similar 

situation  occurs  if  any  "false"  pulses  are  returned.  which 

would  cause  a  wrong  range  to  be  output, 

In  the  presence  of 

these  "noise"  outputs,  the  output  is  once  again  held  at  the 

last  valid  range  for  up  to 

maximum  time  of  one  second. 

Comprehensive  diagnostic  facilities  are  also  offered.  via  an  on 

boar.a  socket  which  al 1 ows  the  use  of  the  diagnostic  test  unit 

type  5570.  This  also  acts  as  an  aid  to  the  on  site  calibration 

of  the  transducer. 

SHT.  REF; 

HA054142 

PAGE; 

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KA 

This manual was downloaded on www.sdsdrives.com 

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Summary of Contents for ranger 5575

Page 1: ...DUCT MANUAL HA054142 ISSUE 6 W RNING NEVER WORK ON THE CONTROLLER OR ANCILLIARY EQUIPMENT WITHOUT FIRST ISOLATING ALL SUPPLIES TO THE SYSTEM Shackleton system drives This manual was downloaded on www sdsdrives com 44 0 117 938 1800 info sdsdrives com ...

Page 2: ...WIRING 9 COMMISSIONING AND CALIBRATION 12 MAINTENANCE 14 DIAGNOSTICS 15 BLOCK DIAGRAMS 16 APPLICATIONS 18 CONTROLLER WARRANTY 20 OUTLINE DRAWINGS 21 SALES AND SERVICE 23 sHr REF HA 054142 Shackleton PAGE system drives KA This manual was downloaded on www sdsdrives com 44 0 117 938 1800 info sdsdrives com ...

Page 3: ... analogue signal proportional to distance The control module is powered from 110 or 240 VAC and in turn powers the sense head via the twin screened cable No external power is required for the sense head Other standard features are user relay contacts for transducer healthy and user range trip This trip level can be adjusted either using the on board or external user potentiometers On board indicat...

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