PCB Test & Measurement Seite 116

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PCB PIEZOTRONICS INC 716 684 0001 Fax 716 685 3886 For Additional Specification Information Visit www pcb com 114 In line TEDS Memory Modules Models 070A70 and 070A71 are TEDS memory modules which can be added in line with standard ICP sensors to construct a sensor system with TEDS functionality Both units are identical except for their electrical connectors Model 070A70 features a BNC jack input connector and a BNC plug output connector whereas Model 070A71 features a 10 32 coaxial jack input and output connector ICP sensor excitation is passed through the units to the sensor Under reverse bias the memory circuitry is activated for read and write capability per IEEE P1451 4 TEDS functionally permits data storage within a non volatile EEPROM memory circuit to store information such as model number serial number sensitivity location and orientation The standard TEDS protocol complies with IEEE P1451 4 which facilitates automated bookkeeping and measurement system setup to speed testing and reduce errors ICP Sensor Simulator Model 492B ICP sensor simulator installs in place of an ICP sensor and serves to verify signal conditioning settings cable integrity and tune long lines for optimum system performance By use of an internal oscillator the unit delivers a 100 Hz sine or square wave at a selectable peak to peak voltage External test signals from a function generator may also be inserted This portable unit is battery operated ICP Sensor Simulator Model 401B04 ICP sensor simulator installs in place of an ICP sensor and accepts test signals from a voltage function generator The unit serves to verify signal conditioning settings cable integrity and tune long lines for optimum system performance This unit requires power from an ICP sensor signal conditioner Step Function Generator Model 492B03 generates a rapid charge or voltage step function from zero to a selected peak value between either 0 and 100 000 pC or 0 and 10 volts DC The unit is useful for setting trigger points in recording equipment and verifying charge amplifier and data acquisition equipment setup This unit is battery powered and portable Model 070A70 Model 070A71 Additional Electronics 8 T Mcatalog 2011 Seite 109 124 SYN G500 21 04 11 18 01 Seite 120