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1000 Brown Rd. 

Auburn Hills, MI 48326 

248.754.1900 

jrautomation.com

 

 

Modulated Antenna User Manual - Prelim3 

Page 3 of 10 

Printed: 11/16/22 

3:39 PM 

 

 

 

GENERAL INFORMATION 

 

1.  This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) 

This device may not cause harmful interference, and (2) this device must accept any interference received, 

including interference that may cause undesired operation.  

2.  Any changes or modifications not expressly approved by the manufacturer could void the user’s authority to 

operate the equipment. 

3.  This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to 

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful 

interference when the equipment is operated in a commercial environment. This equipment generates, uses, 

and can radiate radio frequency energy and, if not installed and used in accordance with the instruction 

manual, may cause harmful interference to radio communications. Operation of this equipment in a residential 

area is likely to cause harmful interference in which case the user will be required to correct the interference 

at his own expense. 

4.  JR Automation TPM products & related equipment must be integrated into the end users manufacturing 

system by JR Automation, or by a JR Automation recommended automation Systems Integrator 

5.  JR Automation TPM products are meant for industrial manufacturing settings only. 

6.  JR Automation does not manufacture or provide TPM valve stems, only the equipment that is used to 

communicate to those stems during tire, wheel, & vehicle manufacturing. 

 

 

SAFETY 

 

1. 

The device shall be used in such a manner that the potential for human contact normal operation is 

minimized.   This equipment complies with FCC radiation exposure limits set forth for an uncontrolled 

environment.  This equipment should be installed and operated with a minimum distance of 30cm between 

the radiator and your body.   This device and its antenna(s) must not be co-located or operating in 

conjunction with any other antenna or transmitter. 

2. 

Only  personnel  who  are  properly  trained  and  have  adequate  knowledge  and  skill  related  to  this  product 

should undertake any troubleshooting and repair. 

3. 

It must be assumed at all times that POWER is "ON" so all conditions must be treated as live. This practice 

develops a caution that may prevent an accident.  Follow posted lockout procedures. 

4. 

REMOVE LOAD from circuit or equipment before and after maintenance/troubleshooting. 

5. 

Equipment—NOTE: Test equipment must be checked at regular intervals. 

6. 

Capacitors MUST be given time to discharge, otherwise it should be done manually with CARE. 

7. 

When troubleshooting "LIVE" equipment, the necessary precautions must be taken as follows: 

a. Follow written safe operating practices. 

b. MAKE CERTAIN your tools and body are clear of Ground.  

c. Use extra PRECAUTION in DAMP areas. 

d. BE ALERT and work without any outside distraction. 

8. 

BEFORE applying POWER to any equipment, it must be established without a DOUBT that all persons are 

CLEAR. 

9. 

Any  CONTROL  PANEL  DOORS  shall  be  open  ONLY  when  it  is  necessary  to  check  out  the  electrical 

equipment  or

 

wiring.  After  CLOSING  the  door,  make  certain  that  the  disconnecting  means  is  operating 

properly with the DISCONNECT HANDLE MECHANISM. 

10.  ALL COVERS or junction boxes SHOULD be CLOSED before leaving any job. 

11.  BEFORE STARTING, read and understand all WARNING markings and notices. 

12.  READ all marking such as nameplates and identification plates. 

13.  DO NOT alter circuits unless authorized to do so by the manufacturer. 

Summary of Contents for JR AUTOMATION TPM-MD-200-000

Page 1: ...s MI 48326 248 754 1900 jrautomation com Modulated Antenna User Manual Prelim3 Page 1 of 10 Printed 11 16 22 3 39 PM Modulated TPM Antenna User Manual Model Number TPM MD 200 000 Includes Variants TPM LA 200 000 TPM SA 200 000 ...

Page 2: ...escription Prelim 12 28 21 Mark Compton Preliminary CONTENTS Modulated TPM Antenna User Manual 1 REVISIONS 2 CONTENTS 2 GENERAL INFORMATION 3 SAFETY 3 PERSONAL PROTECTIVE EQUIPMENT 4 GROUNDING 4 ELECTRICAL WARNING SIGNS 4 TPM STEM OVERVIEW 5 LF TRANSMISSION 125KHz 6 RECEIVING UHF SIGNALS 7 EXTERNAL CONNECTIONS LED INDICATORS 8 ANTENNA MOUNTING 9 APPENDIX A PRODUCT DATA SHEET 10 ...

Page 3: ... manner that the potential for human contact normal operation is minimized This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with a minimum distance of 30cm between the radiator and your body This device and its antenna s must not be co located or operating in conjunction with any other antenna or tr...

Page 4: ...ional Local Regulations PERSONAL PROTECTIVE EQUIPMENT When servicing protect yourself by wearing protective equipment where required 1 Safety Glasses Must be properly fitted and worn when a hazard exists 2 Gloves Although it is recommended that gloves not be worn unless absolutely necessary gloves can protect the hands from cuts or abrasions caused by slings or sharp edges Do not use gloves when w...

Page 5: ... stems vary greatly in shape electrical design function communication method and RF characteristics It is this high degree of variation that poses the greatest challenge for a single antenna system to communicate to all these different stems TPM stems are designed to monitor and report on the conditions inside the tire e g tire internal air temperature pressure and stem battery voltage The stem wi...

Page 6: ...em will respond with its UHF broadcast This is also commonly referred to as non modulated LF Modulated LF In this case the LF signal is turned off and on off quickly This creates a pattern of pulses Generally a unique pattern is generated for each stem type The stems are designed to wake up only if it hears a signal using its unique pattern The antenna will generate this unique pattern over and ov...

Page 7: ...erning body Like the Modulated LF message structure the basic unit for a UHF transmission is a packet This packet will be coded in a similar way that the LF data was coded After a valid wake up signal is received by the stem it will typically transmit the same data packet several times in bursts The number of packets in a burst varies from stem to stem It can even vary for a single stem type based...

Page 8: ...escription Function Power Provide 24 VDC power to antenna system RS485 Provide RS485 Communication to the antenna from a system controller provided by System Integrator Antenna 1 Connection for a 315MHz or 433 MHz receiver antenna Connected to receiver 1 Antenna 2 Connection for a 315MHz or 433 MHz receiver antenna Connected to receiver 2 LF Antenna Bulkhead Provides conduit connection for LF tran...

Page 9: ...shes whenever a valid UHF packet is received from a TPM valve stem on receiver 1 antenna 1 Receiver 2 Momentarily flashes whenever a valid UHF packet is received from a TPM valve stem on receiver 2 antenna 2 Power on Illuminates when the antenna is supplied with 24VDC Receiver Antenna Connections LED s ANTENNA MOUNTING The antenna is typically mounted on an adjustable stand that is sold as a separ...

Page 10: ...Esys Automation LLC Model TPM MD 200 000 variants TPM LA 200 000 TPM SA 200 000 Brand Name Marketed by JR Automation Country of Origin USA Country of Assembly USA Trade Name Modulated TPM Antenna General HS Code Category Trade Code 8517 62 Mexico HS Code Trade Code 8517 62 99 Low Frequency Transmission LF 125 KHz Ultra High Frequency Receivers UHF 315 MHz and 433 MHz Input Voltage 24 VDC External ...

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