Functional Description / User Manual for SIEMENS VDO Comfort Access System Type PGS2 5WK4 9135 BMW_PGS2_E8x_Homolog_e.doc 01.03.2004 Page 1 / 5 CONFIDENTIAL SV C BC P2 HW Pase H.
1. Functional Description - Comfort Access System (CA) 1.1 General functional description The CA-system enables convenient utilization of the vehicle. To use the vehicle, the driver only needs to take the key along with him/her. The vehicle communicates with the system inductively via antennas. These antennas are located in the rear bumper, in the trunk, of the backlite shelf and in the interior. These antennas are driven inductively with a frequency of 125 kHz.
. Operating range of the inductive field (LF) A4 A3 A2 A1 BMW E8x TAGE_FT A2 TAGE_BFT PGS2 RF LF PGS2 LF TAGE ID- Geber A1 - A2 A3 A4 interior antennas trunk antenna bumper antenna 4. Technical parameters Carrier frequency Band width Field strength Type of modulation Method of frequency generation Number of channels Baud rate Power supply Type of battery inductive Transmission range BMW_PGS2_E8x_Homolog_e.doc 01.03.
5. Typical usage pattern 27 start / stop operations in 24 hours (10.000 operations / year) with a typical transmission duration of 39 milliseconds. Transmitter ON 1,053 seconds / 24 hours Transmitter OFF 86.398,95 seconds / 24 hours Duty Cycle: TON / T (ON+OFF) x 100% = 1,053 / 86.399 x 100 % = 0,0012 % 6. Block diagram of CA System LF antenna 1 x trunk LF antenna 1 x bumper Control unit CA Master PGS2 CAS2 LF antennas 2 x interior 7. Label Design 41mm 59 mm BMW_PGS2_E8x_Homolog_e.doc 01.
7.1 FCC Declaration FCC ID LX8PGS 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 interference received, including interference that may cause undesired operation. Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 8.
