RDP DR7AC User'S & Technical Manual Download Page 4

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Certificate of EMC conformity

DECLARATION OF CONFORMITY

RDP ELECTRONICS LTD.

Grove Street, Heath Town

Wolverhampton, West Midlands

WV10 0PY

United Kingdom

We declare that the product described in this technical manual is manufactured by

RDP Electronics Limited and performs in conformity to the following:

The Electromagnetic Compatibility Directive 2014/30/EU

RoHS2 Directive 2011/65/EU

R D Garbett

Director

RDP Electronics Limited

Summary of Contents for DR7AC

Page 1: ...USA Canada All other countries RDP Electrosense Inc RDP Electronics Ltd 2216 Pottstown Pike Pottstown PA 19465 U S A Grove Street Heath Town Wolverhampton WV10 0PY United Kingdom Tel 610 469 0850 Fax...

Page 2: ...IN 8 3 4 Coarse Zero 8 3 5 Zero Input 9 3 6 Fine Zero On front panel labelled ZERO 9 3 7 Over Range Indicator 9 3 8 Excitation Voltage 9 3 9 Excitation Frequency 9 3 10 Master Slave 9 4 0 SETTING UP P...

Page 3: ...ly Units may be master slaved in systems where carrier frequency beating is a problem The unit is housed in a DIN rail mounting thermoplastic case with recessed screw clamp terminals for all connectio...

Page 4: ...on West Midlands WV10 0PY United Kingdom We declare that the product described in this technical manual is manufactured by RDP Electronics Limited and performs in conformity to the following The Elect...

Page 5: ...oisy cables 3 Ensure cables to and from the DR7AC are routed away from any obviously powerful sources of electrical noise e g electric motor relays solenoids 4 ESD precautions should be used when work...

Page 6: ...Supply 14 Supply 15 Screen 16 N C 2 4 Internal Controls To access internal controls the front part of the DR7AC case needs to be removed To do this use a small screw driver to gently press in the cli...

Page 7: ...e i e the output rises for outward transducer movement instead of falling reverse signal high and signal low connections Fig 3b Half bridge differential inductance transducer connections In addition t...

Page 8: ...ale output voltages appropriate to each of the 8 Gain Range Settings For example a transducer with a full scale output of 2 3V would be correctly set as gain range 3 An 4 way toggle switch SW1 sets th...

Page 9: ...rmally supplied with 1V excitation This can be changed to 3V by changing J3 to B C 3 9 Excitation Frequency Fig 4 Excitation Frequency 3kHz 5kHz Factory setting If necessary excitation frequency can b...

Page 10: ...he transducer armature by a precise amount e g 5mm for a D6 05000 transducer and adjust the FINE GAIN control for the desired output e g 5V or 20mA b Relocate the transducer armature at the centre of...

Page 11: ...polation Zero Range 5V minimum Linearity 0 05 of full scale Input Resistance 130k ohm differential Zero Stability Voltage Output Current Output 0 002 of FS typical C optimum at 10V o p 0 005 of FS typ...

Page 12: ...repairs and investigations are subject to at least the minimum charge prevailing at the date of return The type and serial number of the instrument should always be quoted together with full details o...