Continental Automotive S120123007 Tire pressure unit User Manual
Continental Automotive GmbH Tire pressure unit Users Manual
Users Manual
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| Document ID | 589427 |
| Application ID | kng31R9dxA7kEKdcSG97Mg== |
| Document Description | Users Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 1.57kB (19578 bits) |
| Date Submitted | 2005-10-07 00:00:00 |
| Date Available | 2005-10-07 00:00:00 |
| Creation Date | 0000-00-00 00:00:00 |
| Producing Software | Amyuni PDF Converter |
| Document Lastmod | 0000-00-00 00:00:00 |
| Document Title | Microsoft Word - FunctionalDescription_S120123007A0.doc |
SIEMENS VDO Automotive SV C BC P2 RF IC:267T-20123007 FCC ID:KR5S120123007 User Manual / Functional Description of the Siemens VDO Tire Pressure Generation 1B-EP wheel unit Type S 120 123 007 File: I:\POSTZULA\Tpms_TG\TG1B_GM\Technische_Doku\FunctionalDescription_S120123007A0.doc 1 of 4 SIEMENS VDO Automotive IC:267T-20123007 SV C BC P2 RF FCC ID:KR5S120123007 1. SYSTEM OVERVIEW The tire pressure monitoring system (referred as TG for Tire Guard) consists of the following units: - Tire guard transmitter type S 120 123 007 which includes an integrated pressure, temperature and acceleration sensor and a RF transmitter. - RF receiver unit which includes a receiver (not described in this document) The Tire Guard system monitors a vehicle's tire pressure whilst driving or stationary. An electronic unit (wheel unit) inside each tire, mounted to the valve stem, periodically measures the actual tire pressure. By means of RF communication, this pressure information is transmitted to the RF receiver/decoder. In stationary mode, the pressure, temperature and acceleration are measured about every minute and emission of RF frames occurs only if pressure variation, higher than a threshold, is detected (leakage detection). When the vehicle starts moving, the Tire Guard transmitter enters the driving mode. Then the wheel unit measures and transmits data every minute. The wheel unit will remain in driving mode for a period of 15 minutes after the vehicle is stopped. After this period has elapsed, the wheel unit returns to stationary mode. If, during any measurement period in driving mode, the pressure leakage is detected (difference compared to the last transmitted pressure value), a remeasure will occur after 1s (during 8s) taking in account the latest pressure value emitted as reference value. If the pressure continues changing, an additional transmission will be sent. The circuit within the wheel unit monitors the battery every time a pressure measurement is taken. A “Low Battery” function code will be sent when the battery voltage within the wheel unit is below a pre-selected level. File: I:\POSTZULA\Tpms_TG\TG1B_GM\Technische_Doku\FunctionalDescription_S120123007A0.doc 2 of 4 SIEMENS VDO Automotive IC:267T-20123007 SV C BC P2 RF FCC ID:KR5S120123007 2. BLOCK DIAGRAM The block diagram below shows the main electronic units of the wheel unit: ANTENNA Pressure, temperature, acceleration sensor and µcontroller RF CIRCUIT Learning coil 3V LITHIUM BATTERY 3. VARIANTS Siemens type designation S 120 123 007 Remarks Transmitter 315 MHz 4. TYPICAL USAGE PATTERN 72 burst in 24 hours because 1 burst is emitted every minute in normal condition. 0.014 seconds per frame and 6 frame per burst • total transmission duration of 6.2 seconds within 24 hours Transmitter ON 0.26 seconds / hour Transmitter OFF 3599.74 seconds / hour Duty Cycle: TON / T (ON+OFF) x 100% = 0.26 / 3600 x 100 % = 0.007 % File: I:\POSTZULA\Tpms_TG\TG1B_GM\Technische_Doku\FunctionalDescription_S120123007A0.doc 3 of 4 SIEMENS VDO Automotive IC:267T-20123007 SV C BC P2 RF FCC ID:KR5S120123007 5. TECHNICAL DESCRIPTION Carrier frequency: Frequency shift: Number of channels: Method of frequency generation: Type of modulation: Rated Output Power: Antenna: Voltage supply: Voltage supply range : 315 MHz None PLL ASK < 10 mW External (Valve antenna) 1 Lithium battery 3V (CR2450) 2,1 up to 3,2V 6. LABEL DESIGN USA, CANADA Siemens VDO S120123007 FCC ID:KR5S120123007 IC:267T-20123007 owner manual: warning statement This device complies with part 15 of the FCC Rules and RSS-210. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept interference received, including interference that may cause undesired operation. Note: Changes or modifications not expressly approved by the manufacturer could void the user's authority to operate the equipment. File: I:\POSTZULA\Tpms_TG\TG1B_GM\Technische_Doku\FunctionalDescription_S120123007A0.doc 4 of 4
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