YSI 182XT-4-PR User Manual

System operating manual
DIQ/S 182 XT-4-PR
(System 182 XT-4)
ba76027e01 02/2012
Modular measuring system
for 4 digital sensors
with PROFIBUS-DP interface
System 182 XT-4
Note
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Copyright © 2012 Xylem Inc.
ba76027e01 02/2012
System 182 XT-4 Contents
System 182 XT-4 - Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1.1 Structure and function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 Behavior of the system to a power failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2.1 User qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Requirements of the measurement location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.3 System planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.4 Basic requirements for optimum installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.4.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.4.2 Drawing up the power rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.4.3 Optimum installation of the additional MIQ power supply module . . . . . . . . . . . . 3-6
3.5 Installation guidelines for lightning protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.6 Connecting system components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
3.6.1 Connecting MIQ modules: General information . . . . . . . . . . . . . . . . . . . . . . . . 3-10
3.6.2 Variant 1: Stack expansion forwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
3.6.3 Variant 2: stack expansion backwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
3.6.4 Distributed mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
3.6.5 Connecting IQ sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
3.7 Onsite installation of DIQ/S 182 XT-4-PR and MIQ modules . . . . . . . . . . . . . . . . . . . . . 3-24
3.7.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
3.7.2 Mounting on a mounting stand with the SSH/IQ sun shield . . . . . . . . . . . . . . . 3-25
3.7.3 Panel mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
3.7.4 Top hat rail mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30
3.8 Using DIQ modules (accessories) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
3.8.1 DIQ/JB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
3.8.2 DIQ/CHV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
3.8.3 Installation of the DIQ modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
3.9 Electrical connections: General instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
3.10 Connecting the voltage supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
3.10.1 DIQ/S 182 XT-4-PR (line power version) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
3.10.2 DIQ/S 182 XT-4-PR/24V (24 V version) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39
3.11 Connection to the relay outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42
3.11.1 General installation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42
3.11.2 Usage of the auxiliary voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44
3.12 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46
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3.13 Installation examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-47
3.13.1 Compressed air cleaning of two sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-47
3.13.2 Connection of a sensor that is located at a distance
(without compressed air cleaning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-50
3.14 Figures of the terminal strips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-51
4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.1 Operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4.2 Measured value and status display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4.3 Working with the SETTINGS menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
4.3.1 Selection menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
4.3.2 Setting tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
4.3.3 Entry mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
4.4 PROPERTIES menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
4.4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
4.4.2 Maintenance condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
4.4.3 Sensor status Sxx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11
4.5 Calibration of sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-15
4.6 Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17
5 The SETTINGS menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1 Overview of the SETTINGS menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
5.2 Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
5.3 Sensor S01 to S04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
5.4 Relay output R1/R2/R3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
5.5 PROFIBUS config. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
5.6 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
6 Relay outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.1 Outputs of the system 182 XT-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
6.2 Linking and adjusting: general procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
6.2.1 linking outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
6.2.2 Deleting a link with an output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3
6.2.3 Setting outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4
6.3 Basic information on relay functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5
6.3.1 Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5
6.3.2 Limit indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5
6.3.3 Proportional output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
6.4 Setting table for relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-14
6.4.1 Functions and settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-14
6.4.2 System monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-15
6.4.3 Sensor monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-16
6.4.4 Limit indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-17
6.4.5 Frequency output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-18
6.4.6 Pulse-width output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-19
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6.4.7 Sensor controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
6.4.8 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
6.4.9 Manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
6.5 Behavior of linked relay outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
6.5.1 Behavior in case of error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
6.5.2 Behavior in non-operative condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
7 PROFIBUS connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.1 PROFIBUS checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.2 Connecting the PROFIBUS cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.3 Setting the PROFIBUS address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
7.4 GSD file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
7.5 Transmitted sensor data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
7.5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
7.5.2 Sensor administration under PROFIBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7.5.3 Output data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.5.4 Input data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.5.5 Data formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
7.6 PROFIBUS error diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
7.7 PROFIBUS error elimination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
8 Maintenance and cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
9 What to do if ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.1 Information on errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.2 Error causes and remedies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.3 Replacing system components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.3.1 Replacing passive components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.3.2 Adding and replacing IQ sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
10 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.1 DIQ/S 182 XT-4-PR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.2 MIQ modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
10.3 DIQ/JB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-8
10.4 DIQ/CHV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
10.5 Space required by mounted components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11
11 Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.1 Ordering & Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.2 Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
12 Accessories and options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
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Contents System 182 XT-4
13 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
14 Appendix (store separately if required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1
14.1 Forgotten the password? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-1
14.2 Default passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-1
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System 182 XT-4 Overview

1Overview

1.1 Structure and function

Fig. 1-1 DIQ/S 182 XT-4-PR
Sensors Up to four main measured variables (e.g. pH, oxygen content, turbidity
value...) together with their associated auxiliary measured variable (e.g. temperature) can be displayed and administrated with this measuring system. According to the number of available main measured variables, individual sensors (one physical sensor for each main measured variable) and multiple sensors (one physical sensor for several main measured variables) from the selection of digital IQ S
ENSOR NET sensors can be combined and connected.
Each sensor is automatically recognized after being connected and immediately starts measuring.
Up to four physical sensors can be connected directly to the DIQ/ S 182 XT-4-PR.
Note
Installation examples are given in section 3.13 I
NSTALLATION EXAMPLES.
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Overview System 182 XT-4
Relay outputs The relay outputs can be linked to sensors. Linked outputs can be used
to monitor sensors and for the output of measured values.
A relay output can be programmed as:
a monitoring relay
a limit monitor
a proportional output of measured values (pulse width or frequency
output)
the control unit of a sensor cleaning system driven by compressed
air.
For quick orientation, the states of all relay outputs are clearly indicated on the display.
PROFIBUS DP output The PROFIBUS output enables a connection to a PROFIBUS master
(PROFIBUS-DP) and thus a connection to a superordinate process control.
Cleaning system driven
by compressed air
The DIQ/S 182 XT-4-PR is prepared for the time-controlled sensor cleaning function driven by compressed air. The cleaning process is controlled from the operating unit. The operating unit provides the supply voltage and control relay for the compressed air valve in the DIQ/CHV valve module. This enables simple setup and uncomplicated wiring.
Alternatively, the MIQ/CHV PLUS valve module can be installed in the system. It combines the relay, valve and valve power supply in one MIQ enclosure. Thus, no additional wiring is required, which makes installation easier especially if there is a greater distance between the DIQ/S 182 XT-4-PR and sensor.
Further system options In case of increased energy demand, an additional power supply unit
can be installed for the power supply if necessary.
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System 182 XT-4 Overview

1.2 Behavior of the system to a power failure

The system configuration is non volatile and is permanently
retained. It consists of the following settings:
– Sensor settings
– Settings and links of the relay outputs
– PROFIBUS settings
– System settings (display language, air pressure/altitude,
passwords etc.)
Linked relay outputs switch to the non active condition (open).
A restart is carried out automatically when the power returns. The
system continues to work with the settings at the time of the power failure (except for the time).
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Overview System 182 XT-4
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System 182 XT-4 Safety instructions

2 Safety instructions

This operating manual contains essential instructions that must be followed during the commissioning, operation and maintenance of the System 182 XT-4. Thus, it is essential for the operator to read this component operating manual before carrying out any work with the system.
General safety
instructions
Other labels
Safety instructions in this operating manual are indicated by the warning symbol (triangle) in the left column. The signal word (e.g. "Caution") indicates the level of danger:
Warning
indicates instructions that must be followed precisely in order to prevent serious danger to personnel.
Caution
indicates instructions that must be followed precisely in order to avoid slight injury to personnel or damage to the instrument or the environment.
Note
indicates notes that draw your attention to special features.
Note
indicates cross-references to other documents, e.g. component operating manuals.
Target group The System 182 XT-4 was developed for online analysis. Some
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2.1 User qualification

maintenance activities, e.g. changing the membrane caps in D.O. sensors, require the safe handling of chemicals. Thus, we assume that the maintenance personnel is familiar with the necessary precautions to take when dealing with chemicals as a result of their professional training and experience.
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Safety instructions System 182 XT-4
Special user
qualifications
The following installation activities may only be performed by a qualified electrician:
Connection of the DIQ/S 182 XT-4-PR or an additional MIQ power
supply module to the power supply.
Connection of external, line voltage-carrying circuits to relay
contacts.

2.2 Authorized use

The authorized use of the System 182 XT-4 consists only of its use in online analysis. Please observe the technical specifications according to chapter 10 T
ECHNICAL DATA. Only operation and running according to the
instructions in this component operating manual is authorized.
Any other use is considered to be unauthorized. Unauthorized use invalidates any claims with regard to the guarantee.

2.3 General safety instructions

All components of the System 182 XT-4 are constructed and inspected in accordance with the relevant guidelines and norms for electronic instruments (see chapter 10 T They left the factory in a safe and secure technical condition.
ECHNICAL DATA).
Function and
operational safety
The fault-free functioning and operational safety of the System 182 XT­4 components are only guaranteed if the generally applicable safety measures and the special safety instructions in this operating manual are followed during their use.
The fault-free functioning and operational safety of the System 182 XT­4 components are only guaranteed under the environmental conditions specified in chapter 10 T
ECHNICAL DATA.
If components of the System 182 XT-4 are transported from a cold environment into a warm environment, this can cause a malfunction through the formation of condensation. In this case, wait for the components to adjust to room temperature before recommissioning.
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System 182 XT-4 Safety instructions
Safe operation If safe operation is no longer possible, the System 182 XT-4 must be
taken out of operation and secured against inadvertent operation. Safe operation is no longer possible if components:
have been damaged in transport
have been stored under adverse conditions for a prolonged period
of time
are visibly damaged
no longer operate as described in this manual.
If you are in any doubt, contact the supplier of your System 182 XT-4.
Obligations of the
operator
The operator of the System 182 XT-4 must ensure that the regulations and guidelines listed below are followed when dealing with dangerous substances:
EEC guidelines relating to safety at work
National laws relating to safety at work
Accident prevention regulations
Safety datasheets of the chemicals manufacturers.
Warning
A circuit (except for the power supply connections) that is connected to the System 182 XT-4 must not feed any voltages or currents that are not allowed. It has to be made sure that the circuit at any time meets all requirements of a Limited circuit or Limited Power as well as of SELV (Safety Extra Low Voltage). These include the following limiting value specifications:
AC voltage: max. 30 V effective / 42.4 V peakDC voltage: max. 60 VCurrent limit: max. 8 APower output limitation: max. 150 VA
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Safety instructions System 182 XT-4
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System 182 XT-4 Installation

3 Installation

Note
How to connect the DIQ/S 182 XT-4-PR to the PROFIBUS master is described in detail in the chapter 7 PROFIBUS

3.1 Scope of delivery

The following parts are included in the scope of delivery of the DIQ/ S 182 XT-4-PR:
DIQ/S 182 XT-4-PR with attached MIQ/JB branching module
Accessory kit with:
– Contact carrier with screws
– ISO cap nuts with screws and ring washers
– Cable glands with sealing gaskets
CONNECTION.
Operating manual.

3.2 Requirements of the measurement location

The measurement location must meet the environmental conditions specified in section 10.1.
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Installation System 182 XT-4
- Position power supply modules near main consumers (e. g. MIQ/VIS)
Power requirement= SP of all consumers (take into account the relative switching on time of valves)
- Number and types of required sensors
- Measuring locations to be designed
- Distances
- Infrastructure, process environment etc.
Rough planning
Determination of power requirement
Rating
Fine adjustment
IQ topology + layoutS
ENSORNET
Power requirement of components
Determination of rating
of power supply modules
Fundamentals of planning
Start
End
Arrangement of
power supply modules
- Sum of all line lengths max. 250 m

3.3 System planning

Overview of planning
steps
Fig. 3-1 System planning
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System 182 XT-4 Installation

3.4 Basic requirements for optimum installation

3.4.1 General information

The System IQ S
ENSOR NET supplies all components with low voltage
as well as digital communication via a shielded 2-wire line.
Because of this characteristic the energy consumption of all components must be taken into account (power rating) when planning an IQ S
ENSOR NET system. The energy consumption determines
whether an additional power module is necessary (section 3.4.2).

3.4.2 Drawing up the power rating

Power rating - why? All components in the system require a specific level of electrical power
for operation. Thus, it is necessary to draw up a power rating after selecting the desired components. At the same time a determination is made of whether the entire power requirement of all components (consumers) is covered by the existing power supply in the DIQ/ S 182 XT-4-PR. If this is not the case, the power available in the system must be increased by an additional MIQ power supply module.
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Installation System 182 XT-4
Power requirement of
ENSOR NET
IQ S
components
Component Power requirement [W]
IQ sensors
®
SensoLyt
TriOxmatic
TriOxmatic
TriOxmatic
FDO
TetraCon
VisoTurb
ViSolid
AmmoLyt
NitraLyt
VARiON
NitraVis
CarboVis
NiCaVis
700 IQ (SW) 0.2
®
700 IQ (SW) 0.2
®
701 IQ 0.2
®
702 IQ 0.2
®
700 IQ (SW) 0.7
®
700 IQ (SW) 0.2
®
700 IQ 1.5
®
700 IQ 1.5
® Plus
700 IQ 0.2
® Plus
700 IQ 0.2
® Plus
700 IQ 0.2
®
70x IQ (TS) 7.0
®
70x IQ (TS) 7.0
®
70x IQ 7.0
MIQ modules
MIQ/JB 0
MIQ/JBR 0
MIQ/CR3 3.0
MIQ/C6 3.0
MIQ/R6 1.5
MIQ/IC2 0.2
+ 2.2 W per connected
WG 20 A2 power supply/isolator
MIQ/CHV PLUS 1.0 x rel. turn-on duration *
DIQ/CHV 0.8 x rel. turn-on duration *
MIQ/Blue PS 0.6
Additional digital interfaces
MIQ/IF232 (+ MIQ/T2020 PC) ** 0.2
* In order to take the relative on-time into account, see following text ** Only for safeguarding the system configuration by means of ConfigSaveLoad
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System 182 XT-4 Installation
Allowing for the relative
on-time in valves
Determining the number
of MIQ power supply
modules
Valves usually switch on periodically for a limited time and then require the nominal power. Crucial for the load on the power unit of the DIQ/ S 182 XT-4-PR is the time averaged (effective) power requirement that depends on the relative on-time, ED:
Relative on-time ED = t
/ (tOn + t
On
Off
)
The effective power requirement is the product of the nominal power of the valve component and the relative on-time:
P = P
nominal
* ED
Since ED is always < 1, the effective power requirement is always smaller than the nominal power of the valve component.
Note
For the control of sensor cleaning systems operated by compressed air, a relative on-time of max. 0.1 has been adopted in practice.
From the value determined for the power requirement, determine the number of the MIQ power supply modules as follows:
Total power requirement P Number of additional
MIQ power supply modules
4.5 W 0
P
> 4.5 W 1
P
Calculation example:
Example configuration 1 Power
requirement [W]
(component)
®
+ 1 VisoTurb
+ 1 ViSolid
+ 1 FDO
+ VARiON
700 IQ 1.5 1.5
®
700 IQ + 1.5 3.0
®
700 IQ + 0.7 3.7
® Plus
700 IQ + 0.2 3.9
requirement P [W] (sum
Total power
of the components)
+ 1 DIQ/CHV (ED = 0.1) (0.8 x 0.1 =) 0.08 3.98
+ 1 DIQ/CHV (ED = 0.05) (0.8 x 0.05 =) 0.04 4.02
Result: Total power requirement P < 4.5 W, hence no additional power supply module is required.
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Installation System 182 XT-4
Example configuration 2 Power
+ 1 FDO
+ NitraVis
+ MIQ/CHV PLUS (ED = 0.1) (1.0 x 0.1 =) 0.1 8.8
Power supply with the
aid of the
MIQ/Blue PS radio
module
Total power
requirement [W]
(component)
®
700 IQ 0.7 0.7
®
705 IQ 8.0 8.7
requirement P [W] (sum
of the components)
Result: Total power requirement P > 4.5 W, hence an additional power supply module is required.
The MIQ/Blue PS radio module can also supply power to components with a total of up to 7 W power consumption on an IQ S
ENSOR NET
island. Details of this are given in the operating manual of the MIQ/ Blue PS.

3.4.3 Optimum installation of the additional MIQ power supply module

Basic rule It is preferable to install the MIQ power supply module in the vicinity of
the IQ S
ENSOR NET component with the highest power consumption
(example UV/VIS sensor).
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System 182 XT-4 Installation

3.5 Installation guidelines for lightning protection

When using the IQ SENSOR NET instrumentation, particularly in outdoor areas, adequate protection against (electrical) surges must be provided. A surge is a summation phenomenon of surge voltage and surge current. It is generated through the indirect effect of a lightning event or switching operation in the mains, in the grounding system and in information technology lines.
To be adequately protected against the damaging effects of surges, an integrated concept of the following protective measures is required:
internal device-related protective measures and
external protective measures of the installation environment.
The internal device-related protective measures are already integrated in the YSI online measuring technology as so-called 'lightning protection' (see chapter 10 T
ECHNICAL DATA).
The external protective measures of the installation environment can be carried out with respect to the following guidelines:
1 All lines of IQ S
ENSOR NET systems must be
a) installed inside (or else close to) the grounded metallic mounting constructions, e.g. handrails, pipes and posts if possible b) or, particularly in the case of longer lines, laid in the ground.
Background: The formation of highly lightning hazardous inductive loops between the cables and ground is avoided through the low clearance of the grounded metal construction or by installation in the ground.
2 Only the SNCIQ or SNCIQ-UG cable material must be used. This
cable material, particularly the high line cross section of the cable shielding (1.5 mm²), is an important prerequisite for the hazard-free discharging of the surge without inadmissibly high overvoltages developing along the line at the same time that could have a damaging effect on the individual IQ S
ENSOR NET components. It is
not recommended to use cables from other manufacturers with usually appreciably lower shielding conductor cross sections.
3 All metallic mounting constructions, handrails, pipes, posts etc. on
which MIQ modules are installed must be connected to the local potential equalization system and the grounding system or must be individually sufficiently grounded locally according to the codes of practice. For the individual grounding of the measuring point the mounting construction must be solidly connected by means of a large-area auxiliary electrode with the measuring medium. Metallic control shafts/pipes and other large-area metallic bodies that reach into the measuring medium are, for example, ideal for use
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Installation System 182 XT-4
in the grounding of the mounting construction. This creates a set path for the main surge. As a result it is possible to avoid the surge being discharged via the IQ S
ENSOR NET cable
and via the valuable sensors in the measuring medium.
4 The contacts of the MIQ modules must always be protected by the
associated contact covers if they are not in use. The contact cover provides improved insulation against the electric fields of a thunderstorm event through the extension of the air and creepage paths.
5 It is recommended to attach a metallic or nonmetallic sun shield to
each outside location of the MIQ modules. Sun shields protect the electric field lines in the area of the MIQ module through an advantageous development of the electrical field lines in the area of the MIQ module and promote the dissipation of the surge via the mounting construction.
6 The mains voltage for supplying the measuring system must comply
with overvoltage category II. Generally this is ensured through the public operator of the power supply networks. In company-owned networks, e.g. in all power supply systems owned by wastewater treatment plants, this must be kept separate by a potential equalization and a surge protection system for the plant.
7 One part of the IQ S
ENSOR NET safety and lightning protection
concept is based on high-grade protective insulation of the network components and of the entire system. It does not have or require any protective ground (PG) conductor or earth terminal. Avoid any direct connection of the IQ S
ENSOR NET connections or the metallic
sensor enclosures with the local grounding or potential equalization system and with metallic construction elements (see point 9).
8 Additional external lightning protection measures directly on the
ENSOR NET system or its components, e.g. the use of
IQ S overvoltage surge arresters, are not necessary for protection against the indirect effects of lightning and could possibly result in malfunctions.
9 For the realization of the internal lightning protection of the system
(e.g. wastewater treatment plant control stands) and for the protection of IQ S into buildings or distributions coming from the IQ S
ENSOR NET external resources, cable entry points
ENSOR NET must
be carried out as follows:
– The shield of SNCIQ or SNCIQ-UG cables can be connected to
the local potential equalization with a gas overvoltage surge arrester. Shielding terminals (e. g. of the PROFIBUS system) have to be used to contact the shield. The shield of the cable must not be opened under any circumstances.
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– 0/4-20 mA interfaces must be realized with shielded cables. The
cable shield must be connected directly to the potential
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System 182 XT-4 Installation
equalization(s) provided. If plant potential equalization systems are provided on both sides, the shield must also be connected on both sides. The inner conductors must have no contact with the potential equalization.
– The PROFIBUS cables have to be installed according to the rules
of the relevant bus system.
– Relay lines should be connected to the local potential
equalization in order to provide general and consistent protection via gas overvoltage surge arresters.
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Installation System 182 XT-4
MIQ Module
MIQ Module
DIQ/S 184 XT-4-PR
MIQ Module
MIQ Module
MIQ Module
DIQ/S 184 XT-4-PR
MIQ Module

3.6 Connecting system components

3.6.1 Connecting MIQ modules: General information

You can connect the DIQ/S 182 XT-4 with MIQ modules without connecting cable (stacking). According to the same principle MIQ modules can also be connected with one another.
Mounting direction
Variant 1 - stack expansion
forwards.
The DIQ/S 182 XT-4-PR or an MIQ module is attached by its back to the lid of an MIQ module (from page 3-12).
Select this variant if an MIQ module is already permanently installed, e.g. to a wall.
Variant 2: - stack expansion backwards.
An MIQ module is attached with its lid to the back of the DIQ/ S 182 XT-4-PR or another MIQ module (page 3-15).
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Select this variant if the DIQ/ S 182 XT-4-PR or the front MIQ module is already permanently installed, e.g. in a panel.
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System 182 XT-4 Installation
Caution
For optimum stability only one MIQ module may be attached to the DIQ/S 182 XT-4-PR.
Note
In all MIQ modules in the System 182 XT-4 the terminator switch on the terminal strip must be set to "Off".
Materials required 2 x ISO blind nuts (M4)
2 x cheese-head screws (M4x16) with plastic washer
1 x contact base with two plastic tapping screws (scope of delivery
of the MIQ module).
Tools  Phillips screwdriver.
Both installation variants of the attachment of an MIQ module on the DIQ/S 182 XT-4 is described in the following. The assembly of further MIQ modules is carried out analogously. To dismantle a stack, proceed in the reverse order to mounting.
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Installation System 182 XT-4
For stack mounting remove label
and install contact carrier
13
24
MIQ module
DIQ/S 182 XT-4_PR
7
5
6
DIQ/S 182 XT-4-PR

3.6.2 Variant 1: Stack expansion forwards

Preparing the stack
mounting
Mounting the contact
Fig. 3-2 Preparing components for stack mounting (variant 1)
1 Remove the covers from the drilled mounting holes (pos. 1 and
3 in Fig. 3-2).
2 Remove the contact cover (pos. 2).
3 Pull off the adhesive label (pos. 4).
base
Fig. 3-3 Mounting the contact base (variant 1)
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System 182 XT-4 Installation
9
8
DIQ/S 182 XT-4-PR
Note
Only use the plastic tapping screws supplied for attaching the contact base. They ensure the correct fit.
4 Fix the contact base (pos. 5 in Fig. 3-3) onto the DIQ/S 182 XT-
4-PR with the two plastic self-tapping screws (pos. 6).
5 Remove the two countersunk screws (pos. 7 in Fig. 3-3) of the
DIQ/S 182 XT-4-PR and swing open the lid.
Premounting the ISO
blind nuts
Fig. 3-4 Premounting the ISO blind nuts (variant 1)
6 Insert the cheese-head screws (pos. 8 in Fig. 3-4) with the
plastic washers in the drilled mounting holes in the enclosure and loosely screw in the ISO blind nuts (pos. 9).
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Installation System 182 XT-4
MIQ module
DIQ/S 182 XT-4-PR
7
MIQ module
DIQ/S 182 XT-4-PR
Stacking the
MIQ modules
Fig. 3-5 Stacking the MIQ modules (variant 1)
Fig. 3-6 Closing the enclosure (variant 1)
7 Attach the prepared DIQ/S 182 XT-4-PR to the cover of the
MIQ module. At the same time, ensure that the two clips on the DIQ/S 182 XT-4-PR click into place in the lid of the MIQ module. Subsequently, tighten the two screws (pos. 8 in Fig. 3-4).
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8 Close the cover of the DIQ/S 182 XT-4-PR and fix it in place
with the two countersunk bolts (pos. 7 in Fig. 3-6).
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System 182 XT-4 Installation
5
1
2
For stack mounting remove label
and install contact carrier
4
3
MIQ module
DIQ/S 182 XT-4-PR
6
7
DIQ/S 182 XT-4-PR

3.6.3 Variant 2: stack expansion backwards

Preparing the stack
mounting
Mounting the contact
base
Fig. 3-7 Preparing the MIQ modules for stack mounting (variant 2)
1 Remove the covers from the drilled mounting holes (pos. 1 and
3 in Fig. 3-7).
2 Remove the contact cover (pos. 2).
3 Pull off the adhesive label (pos. 4).
4 On the MIQ module, remove the two countersunk screws (pos.
5) and swing open the module lid.
Fig. 3-8 Mounting the contact base (variant 2)
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Installation System 182 XT-4
8
9
MIQ module
Note
Only use the plastic tapping screws supplied for attaching the contact base. They ensure the correct fit.
5 Fix the contact base (pos. 6 in Fig. 3-8) onto the DIQ/S 182 XT-
4-PR with the two plastic self-tapping screws (pos. 7).
Premounting the ISO
blind nuts
Fig. 3-9 Premounting the ISO blind nuts (variant 2)
6 Insert the cheese-head screws (pos. 8 in Fig. 3-9) with the
plastic washers in the drilled mounting holes in the module lid and loosely screw in the ISO blind nuts (pos. 9).
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