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HV110-SM02-R Datasheet(PDF) 10 Page - Superior Sensors Technology. |
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HV110-SM02-R Datasheet(HTML) 10 Page - Superior Sensors Technology. |
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10 / 17 page ![]() HV Series Differential Low Pressure Sensors www.SuperiorSensors.com 10 DS‐0001G.DOCX b7 b6 b5 b4 b3 b2 b1 b0 Pressure Range Select I/O Watchdog Enable BW Limit Select Notch Enable Mode Register (General) b7 b6 b5 b4 b3 b2 b1 b0 Mode Register (Detail) 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 2.5 inH2O 2.5 inH2O 2.5 inH2O 2.5 inH2O 2.5 inH2O 5.0 inH2O 10.0 inH2O 20.0 inH2O Disabled 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 0 1 0.1 Hz 0.25 Hz 0.5 Hz 1.0 Hz 2.5 Hz 5.0 Hz 10.0 Hz Auto Select Notch Filter Disabled Notch Filter Enabled HV120 BW Limit Select Notch Enable Mode Control Register Detail 0.1 Hz 0.25 Hz 0.5 Hz 1.0 Hz 2.5 Hz 5.0 Hz 10.0 Hz 10.0 Hz Auto Select BW Limit 0.5 inH2O 0.5 inH2O 0.5 inH2O 1.0 inH2O 2.5 inH2O 5.0 inH2O 10.0 inH2O 10.0 inH2O HV110 0.1 inH2O 0.25 inH2O 0.5 inH2O 1.0 inH2O 2.5 inH2O 5.0 inH2O 10.0 inH2O 10.0 inH2O HV210 Pressure Range Select (by Model) 10 sec 4 sec 2 sec 1 sec 400 ms 200 ms 100 ms I/O Watchdog Timeout 0 1 Enabled I/O Watchdog Enable 2.5 inH2O 5.0 inH2O 10.0 inH2O 20.0 inH2O 30.0 inH2O 40.0 inH2O 50.0 inH2O 60.0 inH2O HV160 10.6 Control Registers 10.6.1 Mode Control Register Default Value: 0xF6 Details of the Mode Control register are illustrated in the figure to the right. Bits 0‐2 control the output pressure range. Bit 3 is the I/O Watchdog Enable bit. When set, the I/O watchdog is enabled. When enabled, the I/O watchdog will monitor the I/O activity. If I/O activity is not detected for the I/O Watchdog timeout time, the pressure sensor will reset itself. The I/O watchdog timeout time is determined by the currently active bandwidth setting. This is whether the bandwidth is selected directly or by using the Auto Select bandwidth. Bits 4‐6 control the BW Limit Filter. Note: When the BW bits are all set, the BW is automatically selected according to the selected pressure range (see table to right). Bit 7 is the Notch Filter Enable bit. When enabled, the 50/60Hz notch filter is active. Please note the available pressure ranges for the different sensor models are indicated in the table. For values where the pressure range is not available for the given sensor (high or low), the table is highlighted in light orange and indicates the given full scale value to use for pressure conversion. It is possible to use these values however, since they do effect the set sensor bandwidth when the Auto Select bandwidth value (BW Limit Select = 111b) is used. It should also be noted that upon changing the Mode Control value, there is a one cycle latency before the new Mode Control value becomes valid. That is, the data of the communication cycle following a change to the Mode Control register will not reflect the change. It is not until the second communication cycle that the change in the Mode Control register will be reflected in the output data. |
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