The document presents an overview of the IQ Sensornet continuous process monitoring and control instrumentation, highlighting the features and components of the 2020 XT controller system. It details the capabilities of various sensors, communication interfaces, and maintenance-free functionalities, emphasizing the importance of accurate measurements in wastewater management. The presentation also outlines typical installations, applications, and YSI's commitment to supporting water professionals.

1. YSI IQ SensorNet
Continuous Process Monitoring
& Control Instrumentation
July 17th, 2012
Presented by Laura St. Pierre

2. • Overview of IQ SensorNet
• Available sensors
• Key monitoring locations
2

3. IQ SensorNet Systems
182 Controller Sytsem
2020 XT Controller System
• 1 - 4 sensors
• Sensor network
• 1 - 20 sensors
3

4. 4 Basic Components of a 2020 XT System
Terminal /
Controller
Modules:
Cables
Sensors
Easy to customize and expand
Standard dimensions, ready to mix and match
4

5. 2020 XT –
Backup Controller and Terminal
1 Controller / system, but additional 2020 terminals
provide back p
pro ide backup control
• Install 2020 Terminal Controller anywhere in the network
• System redundancy with additional terminal as backup
controller
ll
5

6. Settings
Calibration
OK-Enter
Options
Escape to
measurement
Up/Down selector
(followed by “OK”)
OK )
Intuitive operation for easy
handling…
• Menu-driven interface
y
• Easy to use
6
Escape –
One level back

7. IQ Networking
Distributed mounting
Stack mounting – max. 3 modules
Contact Plate:
Power, communication
Smart installation…
Stack mounting – no cables
7

8. Modules
Power supply
Wide range of power supplies:
100 – 240VAC
24VAC
24VDC
Analog outputs
mA outputs
Relays
Communication
Interfaces
MODBUS
RS232 communication to PC via sw (2020
only)
Ethernet (2020 only)
Includes barometric pressure compensation for DO for 2020
Magnetic valve
Blue Tooth
communication
8
Valve module for automatically controlled air
cleaning
Wireless communication for the IQ SensorNet
system. Max. 100 meters

9. Bluetooth – Wireless Communication
9

10. 2020 XT Module with Ethernet and USB
USB
LAN
•
Data transfer, updates
•
Can be used inside or
outdoors
•
Electronic key
•
Two separate ports allow
you to continue to
i
communicate via Ethernet
while updating the system
via USB.
Ethernet Communication Technology:
•
Remote-Control with PC Terminal Software via UMTS-Router
•
View measuring data with your Smart-Phone via Web-Browser
Smart Phone
Web Browser
•
Direct communication with PLC`s via Ethernet/IP protocol
10

11. USB-Interface
• Data transfer
• System Update
Electronic key function
• Electronic-key-function
11

12. Remote Control via USB
USB-RS232 adapter for
p
modem
USB-LAN adapter for
LAN connection (WLAN)
Full access to network from a distance for data
transfer and adjusting settings
12

13. Remote Control via GSM modem
Mobile
telephone
GSM
modem
Power
supply
GSM
modem
Power
supply
Stay in touch with your system no matter where you are
located
Alarms & measurements are sent to your mobile phone
13

14. Remote Control via LAN
Software
Terminal
via USB-LAN
converter
MIQ/T2020 PC
Stay connected with your system…
14

15. MODULES
Analog Inputs
Connect up to two 3rd party sensors with mA output signals
Extension
Junction Boxes to add additional sensors
Controller
module
Controller module allows 2020 to act as a display-only and back up
controller. Includes Barometric pressure compensation, USB and
Ethernet functionality.
15

16. IQ Cables
Sensor connection cable
One design fits all…
• One type of connection cable for all sensors
• One type of module connection cable
• Fully protected against EMC
• 1 year warranty, Extremely robust
• Integrated lightning protection
Module connection cable
16
• Network cable provides power and
communication

17. Typical Modbus Installation
17

18. IQ SensorNet Solution
18

19. IQ SensorNet Network Solution
19

20. Cable Connections
Red
Green
Black (shield)
Easy and safe…
Low power electrical installation (24 V within IQ)
20

21. Warranty
3 Years
for controllers and modules
2 Years
for sensors
21

22. IQ Sensors
Optically:
- Nitrate
- COD, BOD…
Conductivity
C d
Dissolved
Oxygen
yg
pH / ORP
Turbidity / Susp Solids
Susp.
22
ISE:
- Ammonium
- Nitrate

23. FDO Optical DO Sensor
Meets EPA
Approval!!
Optical DO sensor utilizing
Super-stable
Green source li ht
G
light:
•No flow required
•Soft excitation light
•Minimum aging of sensor cap
•No bleaching affect on sensor cap
•2 year warranty on sensor and
membrane cap
•Highly accurate, +/- 0.1 mg/L
•No regular sensor maintenance
required
Intelligent Sensor Cap
g
p
•Factory calibrated
• Cal data stored on memory chip
• Automatic data transfer
•No calibration required!

24. Traditional, Electrochemical DO Sensor
Advantages
• Patented 3 electrode system enables high signal stability
=> high measuring accuracy
• Integrated self-diagnosis system (SensCheck):
• 3 different sensors available:
TriOxmatic® 700 IQ:
TriOxmatic® 701 IQ:
TriOxmatic® 702 IQ:
24
0 – 60 mg/l O2;
T90: 180 s
0 – 20 mg/l O2; T90: 30 s
0 – 2 mg/l O2;
T90: 30 s

25. TSS and Turbidity – ViSolid and VisoTurb
Optical Total Suspended Solids (TSS)
and Turbidity Probes
ViSolid:
• Factory calibrated for 2 types of sludge:
g
g
Activated sludge 3 - 7 g/L
Primary sludge 30 - 60 g/L
• Calibration: 1 – 8 pt
• Correction factor: x 0 5 – 2
0.5
VisoTurb:
ViSolid® 700 IQ
• Factory calibrated
• Calibration free
• Offset (+/- NTU)
VisoTurb® 700 IQ
25

26. UltraClean – Ultra Sonic Cleaning
TM
• Continuous cleaning system without
mechanically moving parts
• Very smooth sensor surface
(Sapphire)
• No smearing or scratching effect
•No regular service, no wear and tear,
no replacement parts needed

27. UltraClean – Ultra Sonic Cleaning
TM
without cleaning system (30 days)
with cleaning system (30 days)
A clean sensor ensures accurate measurements!
Maintenance-free sensor lowers ownership and
aintenanceoperational costs.
27

28. UV-VIS Spectrophotometer Sensor
Measures broad spectrum:
From ultraviolet (UV) to
visible (VIS) light
200 nm
28
720 nm

29. UV-VIS Scans 256 Wave Lengths
256 wave lengths compared
to single wave length
measurement.
• Better correlation
• Better turbidity correction
• Better compensation for a
changing wastewater process
SAC Measurement at 254 nm
More information, more reliable data
29

30. Spectral Absorbance in the WWTP Process
Activated Sludge
2
wavelength
Effluent
absorbance
abs
sorbance
absorbance
Influent
wavelength
wavelength
The Spectral absorbance differs in each stage of the
ff
f
wastewater process, from application to application,
and from site to site.
30

31. Measuring Principle
Algorithms based on correlations with reference
measurements are stored in the sensor.
Calculating concentration:
1. Recording spectral absorbance.
2. Calculation of concentrations according to
algorithms.
algorithms
31
COD, TOC, BOD,
NO3-N, TSS
mg/l

32. Advanced Optic Design
ref.ref.-channel
Detector
meas. cha
annel
ref.ref.-chann
nel
Identical
 Optical components
 Light intensity
 Amount of light
 Optical path lengths
Detector
meas. chan
nnel
Identical measuring and
reference channel
Optical components age the
same way
• High accuracy
• High repeatability
g
p
y
• High long-term stability
• Automatic drift compensation, no
regular zeroing  calibration free
32
Lamp
YSI Optic
Lamp
Conventional
Optic

33. Advanced Measurement Principle
Sensor auto-adjusts amount of
flashes to the sample (before every
measurement)
)
Detector
Step 1: Light flashes x-times
before every measurement
Step 2: Feedback from detector
to lamp
p
33
Lamp

34. UV-VIS Calibration
•
1-pt lib ti ( dj t
1 t calibration (adjustment with reference values)
t ith f
l
)
•
2-pt calibration (adjustment with reference values)
•
Zeroing i pure water
Z
i in
•
Sensor Check with standard solutions
34

35. UltraClean System
Maintenance Free!
 UltraClean S
l Cl
System:
 Integrated, continuous
cleaning system
s stem
 No chemicals, no wear
or spare parts (wipers)
 Very smooth / scratch
resistant window
(sapphire)
35

36. UV-VIS Sensors per Application
Sensors for municipal wastewater: Influent, Effluent, and Mixed Liquor
p
,
,
q
1 mm
5 mm
(mg/L)
(mg/L)
BOD
0.5
0 5 – 4000
0.1
0 1 – 800
TOC
5 – 2500
1 – 500
NOx
0.1
0 1 – 100
0.01
0 01 – 25
TSS
0 – 3000
0 - 7000
0 – 900
0 – 2500
Parameters
36

37. Comparison Data – NO3-N
Effluent measurements
Lab NO3-N
UVVIS Sensor NO3-N
18
16
NO
O3-N (mg/l)
14
12
10
Accurate Cuvette Test +/- 0,5 mg/l
Accuracy Cuvette test: +/- 0.5 mg/l
8
6
4
2
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56
Number of measurement
37

38. Comparison Data - COD
Effluent measurements
Lab CODtotal
UVVIS Sensor CODtotal
40
C
COD (mg/l)
35
30
25
20
Accurate Cuvette test: +/- 1.5 mg/l
Accuracy Cuvette-Test +/- 1,5 mg/l
15
10
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56
Number of Measurement
38

39. IFL – Interface level sensor
Ultrasonic measurement
of sludge level via echo
time of travel
• Factory calibrated
• Set immersion and tank
depth
• Accuracy: +/- 0.3 ft
39

40. Signal Processing, Echo profile
raw data  filter, alignment, low passing  result
Smart signal processing for
g
p
g
reliable sludge level
measurements
Smart filter removes readings from:
•
•
40
Passing debris, layer clouds
Rising & f ll
falling of sludge l
f l d layer d
due
to passing rakes

41. Non contact wiper
Non contact wiper
•
Triple sealing
•
High-tech materials
•
Operates without maintenance
•
No influence of bubbles
•
Removal of algae layers
(smaller layers of grease or algae do not interfere)
41

42. VARiON® Plus 700 IQ, AmmoLyt ® Plus 700 IQ,
NitraLyt® Plus 700 IQ – ISE Measurement
Measurement principle:
M
t i i l
• Measuring, reference and
compensation electrode.
electrode
NitraLyt® Plus 700 IQ
AmmoLyt® Plus 700 IQ
42
l
VARiON® Plus 700 IQ
• Nitrate requires Chloride
compensation for highest
accuracy.
• Ammonium requires
q
Potassium compensation for
highest accuracy

43. Electrode Replacement
Individual electrode
replacement
• Not often Lifetime > 18 months
g
y
• Recognized automatically
43

44. Accurate Measurements
Comparison VARiON / Lab
Analysis
NH4-N (mg/l)
(
allowed tolerance +/- 0.5 mg/l
number of measurements
44
VARiONPlus values
Lab values

45. TetraCon® – Conductivity Sensor
Advantages:
•4-electrode design  Polarization effects are
eliminated
•Large measurement range:
•10 μS/cm to 500 mS/cm
10
• Minimal maintenance, rugged, suitable for harsh
applications
• Integrated NTC for automatic temperature
compensation
• Flat surface reduces fouling => easily cleaned
>
 Problems caused by dirt/fouling are mostly
avoided
45

46. SensoLyt® 700 IQ – pH/ORP
Advantages
• Integrated preamplifier and digital signal processing
• Internal Sensor Check
• Automatic temperature compensation (NTC; 0°C …+60 °C )
• Variety of electrodes for different applications
• Very robust, reliable and easy to handle
46

47. Sensor Location I
Inlet
pH
TSS
BOD
47
Grit Removal

48. Sensor Location II
Mechanical treatment
Sludge blanket level: sludge
level:
management
•
•
48
Reduce pumping costs
Optimize sludge density
Primary Settling

49. Sensor Location III
Biological treatment
DO: Basic or backup aeration control  increased efficiency
NH4-N: Advanced aeration control  increased efficiency
NO3-N: Corg dosing, sludge recirculation
TSS: Sludge recirculation, sludge stabilization
recirculation,
49

50. mechanical treatment
Oxidation Ditch
50
Biological treatment
Denitrification
D it ifi ti

51. Sensor Location IV
Interface level:
Sludge Management
•
•
Optimal sludge density
•
51
Reducing pumping costs
Prevent washout conditions
Final Settling Tank

52. Sensor Location V
TSS: Effluent monitoring
DO, H P
DO pH: Permit reporting
it
ti
BOD: Effluent monitoring
NH4-N, NO3-N:
NH4 N NO3 N: Effluent monitoring
52

53. Biological treatment
Mechanical
treatment
Chemical
treatment
WWTP Goal: Comply with permit while reducing the organic
and inorganic load/compounds
53

54. Questions when planning a monitoring
and control system.
system
•What do I want to measure?
•Where do I want the sensor located?
•What type of communication signals and sensor outputs
do I need?
6 x mA signal
pH
O2
TSS
NH4-N
54
Turbidity

55. Example of IQ SensorNet System
MIQ/TC 2020 XT-H3-C6
470017
MIQ/JB
480008
MIQ/JB
480008
MIQ/JB
480008
VisoTurb700IQ
600010
SensoLyt700IQ
109170
ViSolid700IQ
600012
AmmoLyt Plus 700 IQ
107070
FDO 700 IQ
201650
• pH: Inlet monitoring or pH adjustment
l
d
• DO/TSS/NH4-N: Aeration controlling/optimizing
• TSS: Effluent monitoring/reporting
55

56. Why YSI
• YSI primarily focuses on tools for
the water professional
• YSI handheld instruments are
trusted for their field worthiness
and durability
• YSI’s market position in BOD
testing and multiparameter field
sampling is #1
• YSI products are backed with
expert Technical Support and
Service
56

57. Thank you for your attention!
Visit us at: ysi com
ysi.com
Register to win an IQ
SensorNet
Sign up for our wastewater
eNewsletter
Email us at:
environmental@ysi.com
Call us at: 800-897-4151,
937-767-7241