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20-02245   REV E 

 
 
 
 
 
 
 
 
 
 
 
 
 

RS-485 CONTROLLED 

UNDERWATER 

POSITIONERS 

 
 

MODEL PT-25FB-24VDC-RS-485 

MODEL R-25FB-24VDC-RS-485 

 
 
 
 

OPERATING AND MAINTENANCE MANUAL 

 
 

 

 

 

SERIAL NUMBER: 

__________ 

 
 

 

 

SALES ORDER:  

__________ 

 
 

 
 

 

 

5618 Copley Drive 

San Diego, CA   92111-7902 

TEL: (858) 565-8500 

FAX: (858) 565-8808 

www.rosys.com

 

Summary of Contents for PT-25FB-24VDC-RS-485

Page 1: ...TER POSITIONERS MODEL PT 25FB 24VDC RS 485 MODEL R 25FB 24VDC RS 485 OPERATING AND MAINTENANCE MANUAL SERIAL NUMBER __________ SALES ORDER __________ 5618 Copley Drive San Diego CA 92111 7902 TEL 858...

Page 2: ...cerbated over long cable lengths 3 LIST OF ROS UNDERWATER RS 485 PRODUCTS To satisfy customer needs ROS has developed turn key net workable underwater products Each of the products listed below has an...

Page 3: ...pplies can be the source of electrical noise and may mislead the system designer or user to inappropriately attribute the noise to a device attached to the power conductors It is recommended to ensure...

Page 4: ...ient because those devices are not as susceptible to electrical noise When a video camera is connected to the network and common power connections are made at the cable breakout hardware side instead...

Page 5: ...V E V REVISION PAGE REV DESCRIPTION DATE INITIALS A Added Application Note page 8 16 06 SW B Added R 25FB 24VDC RS 485 12 12 06 RJL C SEE ECO 1251 07 14 08 GR D SEE EC 00605 02JUL10 BAL E SEE EC 01190...

Page 6: ...is warranty shall be governed by the laws of the State of California In the event the defect is determined to be within the terms of this warranty then ROS agrees to repair and or replace at ROS s dis...

Page 7: ...and are able to provide assistance during installation and or operation of these products If you have any questions or problems with this product that are not covered by this manual or instruction pl...

Page 8: ...SPECIFICATIONS 3 CONNECTOR WIRING 5 INSTALLATION AND OPERATION 6 OPERATIONAL CHECK 6 INSTALLATION 6 EQUIPMENT MOUNTING 6 CONTROLLING THE UNIT 7 INTERCONNECTION 8 MAINTENANCE 9 FLUID VOLUME CHECK If eq...

Page 9: ...oners are offered as air filled units for shallow applications or in air operation or as oil filled pressure compensated units suitable for deep water applications For problems or questions not covere...

Page 10: ...to the shaft plate The circuit board receives the 24VDC nominal input voltage from an external remote Controller and generates the step sequence necessary to drive the stepper motor To operate the po...

Page 11: ...0 5 to 10 0 1 degrees sec 0 083 to 1 66 RPM in 0 5 degree sec increments Torque 33 lbs ft 14 Nm minimum 5 degree sec Harmonic Gear Backlash 36 arc minutes 0 6 degrees Network Ability Up to 32 ROS RS...

Page 12: ...rque versus Rotation Speed 0 10 20 30 40 50 60 70 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10 Rotation Speed degrees second Torque lb ft PT 25 with 160 1 gears Current Draw versus Rot...

Page 13: ...onnectors and wiring standards are available and details of these configurations are normally included in the manual Addendum CONNECTOR PIN CONNECTION FUNCTION 1 DC Common 2 24 VDC 3 RS 485 A 4 RS 485...

Page 14: ...nstalled by mounting the positioner to a permanent structure Four 3 8 16 tapped holes are provided in the mounting boss for the rotator and pan and tilt Feedback units should be mounted to a MP 2 moun...

Page 15: ...to move each axis To operate the pan and tilt without stalling or slipping the user should calculate the amount of torque required to hold the load on each axis Then once this is known the user should...

Page 16: ...the mating connector lightly with silicone spray and push together The other end of the cable attaches to a controller which provides the required power to the connector pins as well as control signal...

Page 17: ...ofram end of the housing A protective cover with holes for water flow covers the Bellofram When the fluid volume is normal the Bellofram will expand outward Its position can be checked by visual obser...

Page 18: ...all them in the grooves of the end cap Avoid excessive stretching of the O ring 5 Using silicone grease or O ring lubricant completely fill the top retaining ring groove If this is not done the sealin...

Page 19: ...O ring sealing surfaces Keep these rings separate from the outer rings which retain the end cap The outer rings are made of stainless steel for corrosion protection If one of the retaining rings is w...

Page 20: ...R FILLED With the end cap seal screws removed replace the end cap and slowly push it into the housing It may be necessary to rotate the output shaft slightly for proper gear engagement Install the ret...

Page 21: ...ill leak Position the end cap assembly into the housing without pressing it in Since fluid may be ejected through the seal screws holes place a towel over the end cap to reduce the losses Push the end...

Page 22: ...02247 Assy PT 25FB 24VDC RS 485 AIR SS 160 1 Gears 20 02216 Wiring Diagram PT 25FB 24VDC RS 485 20 10004 Installation Outline R 25DC FB AIR 20 10035 Assy R 25FB 24VDC RS 485 AIR AL 160 1 Gears 20 100...

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