Up to 8 passenger counter sensors "PP-01" can be connected each requiring 2 LLS addresses. The passenger counter sensor "PP-01" provides the possibility to count passengers getting either on or off public transport (bus, trolleybus, etc.). | Up to 8 passenger counter sensors "PP-01" can be connected each requiring 2 LLS addresses. The passenger counter sensor "PP-01" provides the possibility to count passengers getting either on or off public transport (bus, trolleybus, etc.). |