OSI OFS-2000FW User Manual (English)

To Next Page

Optical Scientific Inc

OFS 2000FW User’s Guide

P/N 1910-901-1

User's Guide

OFS -2000FW

Optical Flow Sensor

03/28/13

OPTICAL SCIENTIFIC INC

Tel: +1-301-963-3630

Fax: +1-301-948-4674

2 Metropolitan Ct, Suite 6

Gaithersburg, MD 20878 USA

www.opticalscientific.com

Table of Contents3
Ofs -2000Fw Overview8
Theory of Operation8
Figure 1.1 OFS Basic Components8
OFS -2000FW Specifications9
Description of Units10
Figure 1.2 OFS 2000FW System Components10
Transmitter (TX) Unit11
Figure 1.3 OFS 2000FW Transmitter11
OFS 2000FW Receiver (RX) Unit12
Figure 1.4 OFS 2000FW Receiver12
Control Box(Es) Indoor and Outdoor13
Outdoor Control Box13
Figure 1.5 OFS Control Box (Outdoor)13
Indoor Control Box14
Figure 1.6 Control Box Interior14
Figure 1.7 Control Box Front Panel14
Figure 1.8 Control Box Rear Panel14
Figure 1.9 Interface Board14
Pre - Installation15
OFS Placement15
Figure 2.1 OFS Placement15
Flange Alignment Guidelines16
Figure 2.2 Flange Installation (Cutaway)16
Flange Mounting Examples17
Flange Pipe Extension18
Figure 2.3 Measured Flow Cross Section18
Flange Pipe Mounting19
Figure 2.4 Flange Installation - Incorrect19
Figure 2.5 Flange Installation - Correct19
Figure 2.6 Common Flange Dimensions19
Installation20
Required at Transmitter or Receiver Location20
Required at Control Unit Location20
Mechanical21
TX/RX Units21
Figure 3.1 Common Vertical Installation21
Figure 3.2 Common Horizontal Installation21
Figure 3.3 OFS Mounting Hardware21
Figure 3.4 OFS TX/RX Overall Dimensions22
Control Units23
Figure 3.5 Outdoor Control Box Mounting Dimensions23
Figure 3.6 OFS 19" Rack Mountable Control Box23
Purge Air24
Figure 3.7 Purge Air Detail24
Figure 3.8 Rotameter (Flow Meter)24
Figure 3.9 "Natural" Air Purge24
Figure 3.10 Compressed Air Purge24
Figure 3.11 Purge Air at 90° to Vertical Flow25
Figure 3.12 Rotameter Installation25
OFS in Hazardous or High Temperature Applications26
Figure 3.13 Typical Gate Valve Installation26
Pressurization Air (Z-Purge Air)27
Figure 3.14 Z-Purge Control Unit27
Figure 3.15 Control Unit Mounting Dimensions27
Figure 3.16 Typical Z-Purge Control Unit28
Figure 3.17 TX/RX Z-Purge Arrangement28
Unit Tubing Instructions29
Pressurization Unit Set up29
Figure 3.18 Control Box Z-Purge Arrangement29
Pressurization Unit Operation30
AC Power Connections31
Transmitter Unit31
Control Boxes31
Figure 3.19 Transmitter AC Connections31
Figure 3.20 Control Box AC Connections31
User Interface Connections32
Figure 3.21 User Interface Connections32
OFS 2000FW Interconnecting Cables33
Figure 3.22 OFS2000FW Interconnects33
Figure 3.23 Receiver Cable Connections33
AGC Cable Connections for OFS 2000FW Models34
OFS Receiver Cable34
Figure 3.24 TX AGC Cable Connection34
Figure 3.25 RX AGC Cable Connection34
Ma Current Loop and Relay Connections35
Figure 3.26 TB3 Connections35
RS-232 Connections36
Limited Distance Modem (LDM) Connections36
Figure 3.27 LDM Connection36
Fiber Optic Modem (FOM) Connections37
Figure 3.28 Fiber Optic Modem Connection37
Computer Connection38
Poll Commands & Data Output39
A" Poll (Short Data String) Output39
A" Poll Response Bytes39
C" Poll (Long Data String) Format39
C" Poll Response Bytes40
Description of Status Indicator Codes (Bytes 29-32)41
Reading the Output Data42
Figure 4.1 Data Fields and Bytes42
Figure 4.2 Status Codes42
Data Collection43
Figure 5.1 Connect PC to Controller43
Figure 5.2 Hyperterminal Setup Steps43
Using "C" Poll44
Using Continuous Polling44
Figure 5.3 Hyperterminal Data Display44
Optical Alignment45
Receiver Setup45
Figure 6.1 Receiver "A" & "B" Lenses45
Figure 6.2 Receiver Leds and Flow Direction45
Transmitter Setup46
Figure 6.3 OFS 2000FW TX Module46
Figure 6.4 OFS 2000FW RX Window46
Figure 6.5 Centering Light Beam46
Figure 6.6 TX Rear View46
Transmitter Aiming Considerations47
Figure 6.7 Receiver Window "Cat's Eyes47
Figure 6.8 Transmitter Module48
Figure 6.9 Beam Centering48
Figure 6.10 Front Panel Display (Example)48
Avoiding Receiver Saturation49
Figure 6.11 Filter Material Insertion49
Correlation50
Initial Check and Start-Up51
Initial Check51
Visual Indicators51
Figure 8.1 Transmitter Leds51
Figure 8.2 Receiver Leds51
Figure 8.3 DSP Power Leds51
OFS Start-Up52
OFS Initial Display Sequence53
Display and Keypad54
Check Firmware Version Procedure56
Correction Factor57
Curve Fitting57
Figure 8.4 Correction Factor Display57
Calibration Verification58
External Calibration (RATA)59
Maintenance60
Safety60
Preventive Maintenance60
Window Cleaning Procedure61
Figure 9.1 Window Cleaning61
Troubleshooting62
General Troubleshooting Guidelines63
Power and Signal Checks64
DSP Power and Signal64
Transmitter "Power" Led Not Lit64
Transmitter "Signal" Led Not Lit64
Receiver "Power" Led Not Lit64
Receiver "Signal" Led Not Lit64
Figure 10.1 DSP Power Indicators64
Figure 10.2 DSP "Main Com64
Signal Voltage Checks - Receiver65
Signal Voltage Checks - Receiver/Control Unit65
Control Box Troubleshooting66
Error Messages66
Channel A/B out of Range66
DSP Timeout66
Spare Parts67
Recommended Spare Parts67
Available Spare Parts67
Appendix A OFS 2000 Thermal Activator68
Overview68
Theory of Operation68
Figure 12.1 Typical Thermal Activator Setup68
General Heater Specifications69
Figure 12.2 Thermal Activator Dimensions69
Thermal Activator Wiring70
Figure 12.3 Heater Wiring70
Figure 12.4 Heater Schematic70
Description of Units71
Figure 12.5 OFS 2000FW and Thermal Activator Components71
Thermal Activator72
Figure 12.6 Thermal Activator72
Figure 12.7 Heater Thermocouple72
Pre - Installation73
Thermal Activator Placement73
Figure 13.1 Typical Thermal Activator Setup73
Installation74
Appendix B OFS Curve Fitting Procedure75
Introduction75
Equipment Setup76
OFS and Computer Setup76
Curve Fitting Procedure76
Curve Fitting Data Entry77
Curve Fitting Verification78
Technical Support79
Before Calling Technical Support79

Need help?

Do you have a question about the OSI OFS-2000FW and is the answer not in the manual?

OSI OFS-2000FW Specifications

General

Brand	OSI
Model	OFS-2000FW
Category	Accessories
Language	English

OSI OFS-2000FW User Manual

Table of Contents

OSI OFS-2000FW Specifications