Felix Instruments F-901B Reference Manual Download Page 6 | Manualshive

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Felix Instruments F-901B Reference Manual Download Page 6

Page 5 of 18

Cables Assembly

Connector Mating Parts (not supplied):

Part number

Description

Manufacture

767KS12

DC Power Plug Sealed IP68

630125673867

Patch Cable Cap IP67 water and dust
protection

Lock Ring

12VDC

GND

Plug handle

RJ45 Male Plug*

Waterproof Cap

*See

Pin Description

for correct wiring

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Summary of Contents for F-901B

Page 1: ...April 2022 F 901B Reference Manual Version 1 6 For Hardware v1 0 Firmware v1 41 6 15 16 1554 NE 3rd Ave Camas WA 98607 USA Phone 360 833 8835 www felixinstruments com...

Page 2: ...modes 6 MODBUS 7 RTU RS485 Configuration 7 Pin Description 7 Absolute Maximum Rating 8 RS485 Modbus Parameters 8 F 901B MODBUS Specifications 8 Input Registers 8 Holding Registers 9 Coils 10 Maintena...

Page 3: ...sampling via tubing make sure that the tubes are securely attached to the device before operating Use the included hydrophobic filter to prevent liquid water from entering device See Cables and Tubes...

Page 4: ...imit 2 ppm Response Time T90 3 minutes Temperature Range 0 C to 50 C Pressure Range 1013mbar 10 Relative Humidity Range 15 to 90 R H non condensing Long Term Output Drift 5 per month in continuous exp...

Page 5: ...POWERING UP DEVICE MAKE SURE THERE IS NO FLOW OBSTRUCTION AT INLET OUTLET BEFORE POWERING UP DEVICE USE HYDROPHOBIC FILTER DURING SAMPLING TO PROTECT THE SENSOR FROM CONDENSATION Waterproof Power Plu...

Page 6: ...ied Part number Description Manufacture 767KS12 DC Power Plug Sealed IP68 Switchcraft 630125673867 Patch Cable Cap IP67 water and dust protection InstallerParts Lock Ring 12VDC GND Plug handle RJ45 Ma...

Page 7: ...econds The whole routine will then repeat after some idle time Final sensor readings are updated at the end of sampling cycle and remain the same until the next update see TRIGGER_INTEVAL Use this mea...

Page 8: ...guration Pin Description Pin Name Type Description 1 3 3V Reference potential 3 3V Reference Voltage 2 GND Reference potential Local device ground 3 UART_TX Digital Output Firmware update interface 4...

Page 9: ...te Multiple Coils o 0x10 Write Multiple Registers Exception messages supported Default address o RTU 50 o TCP IP 192 168 1 50 Input Registers Mode Read only size 16 bits Name Address Description C2H4...

Page 10: ...parameter Calibration formula CO2_SPAN CO2_CAL CO2_SPAN_CUR CO2_CUR Note CO2_CAL expected calibration concentration CO2_SPAN_CUR Current span value CO2_CUR Current CO2 measurement CO2_ZERO 6 CO2 zero...

Page 11: ...l F 901B comes with factory calibration using standard certified gases Coils Mode Read Write size 1 bit Name Address Default Description SPAN_209_O2 1 False Request to calibrate O2 sensor span using f...

Page 12: ...protection Follow the below steps carefully to ensure proper sensor installations Step 2 Apply even forces at both ends to pull the Filter Tube off connectors Step 4 Pull C2H4 sensor off socket Keep...

Page 13: ...sensor from connector Plug in the new C2H4 sensor then push into socket push into socket Step 7 screw new O2 sensor into socket then plug in connector Step 8 Apply force to both ends gently push new...

Page 14: ...ity calibration Zero calibration commonly uses zero gas such as 100 N2 while span calibration uses target gas for calibration Below are recommended calibration gases for the F 901B Sensor Zero Span C2...

Page 15: ...ed correctly CO2 Sensor Calibration CO2 Zero Calibration CO2 sensor requires a thorough flush and stable signal in order to perform a zero calibration therefore zero calibration of CO2 sensor should o...

Page 16: ...y be reset A new zero value will also be updated on Holding Registers 6 7 Read sensor measurement at Input Register address 1 to verify if sensor is calibrated correctly This value should be the same...

Page 17: ...alibrated correctly This value should be 209 20 9 To perform a span calibration for O2 sensor using a known concentration certified standard gas 1 Apply Calibration gas at device inlet 2 Monitor senso...

Page 18: ...ered only by the warranty of its manufacturer Felix Instruments will not be liable to the Buyer for loss damage or injury to persons or to property by the use of equipment manufactured by other compan...

Page 19: ...____________________ Felix Instruments Serial Number s ________________________________________ Purchase Date _____________________Purchase Price _______________________ Your opinions will help improv...

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