Siemens SIMATIC RTU3041C User manual
Legal information
Monitoring of Remote Measurement Points
Entry ID: 109739240, V3.0, 06/2021
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©Siemens 2021 All rights reserved
Legal information
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Table of Contents
Monitoring of Remote Measurement Points
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Table of Contents
Legal information......................................................................................................... 2
1Introduction........................................................................................................ 4
1.1 Overview............................................................................................... 4
1.2 Principle of Operation........................................................................... 6
1.3 Components Used................................................................................ 7
2Engineering........................................................................................................ 8
2.1 Hardware Setup ................................................................................... 8
2.2 Configuration and project planning .................................................... 10
2.2.1 Configuring the SIMATIC RTU3041C................................................ 10
Configuring SMS/email sending/receiving ......................................... 17
Configuring operating modes............................................................. 20
Configuring the GPS functionality of the RTU3041C......................... 21
Creating tags for programming in the RTU3041C ............................. 24
Creating a program in the SIMATIC RTU3041C................................ 34
Programming email transmission....................................................... 37
Configuring the connection to the TeleControl Server....................... 43
2.2.2 Configuring the TeleControl Server Basic.......................................... 47
2.2.3 Configuring OPC UA Clients (UaExpert)............................................ 51
2.2.4 Loading the Configuration File ........................................................... 55
2.3 Operation............................................................................................ 61
2.3.1 RTU3041C Wake-Up by Mobile Phone ............................................. 61
2.3.2 Determining the Exact Position of the RTU3041C via GPS............... 62
3Useful Information........................................................................................... 63
4Appendix .......................................................................................................... 67
4.1 Service and support ........................................................................... 67
4.2 Industry Mall....................................................................................... 68
4.3Application support............................................................................. 68
4.4 Links and literature............................................................................. 68
4.5 Change documentation...................................................................... 69
1 Introduction
Monitoring of Remote Measurement Points
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1 Introduction
1.1 Overview
Starting point
The battery-powered SIMATIC RTU30X1C is used to monitor and control remote
stations that are geographically distributed and not connected to a power supply
network. The RTU30X1C can store process data and transmit it to a central station
via mobile wireless or via the LAN interface and an external router.
Furthermore, the RTU30X1C has 4 additional digital outputs and supports position
determination and time synchronization via GPS.
Requirements
An RTU30X1C monitors the fill level of a rain overflow basin.
To conserve power, the RTU30X1C is in sleep mode much of the time, switching to
an update or communication mode in predetermined cycles.
If the level exceeds a critical value, the RTU30X1C informs the operator by email
and SMS, even outside scheduled communication cycles.
In addition, the RTU30X1C informs the operator via SMS when its predefined
target position is reached. The actual position should be within a parameterized
radius.
Figure 1-1 Level monitoring overview
RTU3041C
Battery modules
Moisture sensor
critical
level
digital
level sensor
analog
level sensor
SMS
Mobile wireless
network
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Use case
The RTU3041C uses an analog level sensor to monitor the level of a rain overflow
basin. A digital moisture sensor starts the measurement.
In addition, a digital level sensor (float) is installed, which is activated when a
critical level is exceeded.
At configurable, timed intervals, the RTU switches from sleep mode to update
mode to read the inputs and process the program.
The position determination and the time synchronization of the RTU3041C is done
via GPS.
Subsequently, the current data is sent to the TeleControl Server Basic (TCSB).
To read out the data of the TCSB, UaExpert is used as OPC UA Client.
Solution approach
•An application program with the program blocks "Send email" and "Send SMS"
implements the sending of emails and SMS messages.
•The position determination is done with the "GPS position" block. The block
checks whether the RTU is moving outside the specified range.
•The RTU3041C is configured via the Web-Based Management (WBM) of the
RTU.
•The blocks are graphically displayed and programmed via the Web-Based
Management (WBM) of the RTU3041C.
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1.2 Principle of Operation
Diagram
The following figure shows the most important components of the solution
schematically:
Figure 1-2
Ethernet
TeleControl Server
Basic
Router
Control
center
RTU3041C
OPC UA
Client
OPCUA
GPS
signal
Cell phone
Implemented functions
The following functions are implemented in the application example:
•Receiving a wake-up SMS to wake up the RTU3041C from sleep mode.
•Sending an email/SMS to a defined recipient when a critical level is exceeded
or not reached.
•Time synchronization via GPS.
•Position determination of the RTU3041C via GPS.
•Sending an SMS to a defined recipient when the RTU3041C moves outside
the defined range.
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1.3 Components Used
This application example was created with the following hardware and software
components:
Table 1-1
Components
Quantity
Article number
Note
SIMATIC RTU3041C
1
6NH3112-4BB00-0XX0
The SIMATIC
RTU3031C
(6NH3112-3BB00-0XX0)
can also be used.
Battery module housing
2
6NH3112-3BA00-1XX2
2 pieces per RTU
Battery
4
2 pieces per battery
module housing (e.g.,
SAFT LSH20)
Mobile wireless antenna
1
6NH9860-1AA00
Antenna ANT895-6ML
1
6GK5895-6ML00-0AA0
For receiving GPS
position and time
information
SIM card
1
Any mini SIM card with a
data option
SITRANS LU150 analog
level sensor
2
7ML5201-0FB0
Up to 5 m
Digital level sensor
2
Available from specialist
dealers
Digital moisture sensor
1
Available from specialist
dealers
SCALANCE M816-1
1
6GK5816-1AA00-2AA2
Another DSL router can
also be used.
TeleControl Server Basic
8 V3.1, Update 3
1
6NH9910-0AA31-0AA0
UaExpert
1
Freeware
Download at
https://www.unified-
automation.com/downl
oads/opc-ua-
clients.html
This application example consists of the following components:
Table 1-2
109739240_RTU3041C_TCSB_DOC_V30_en.pdf
This document
109739240_RTU3041C_TCSB_PROJ_V30.zip
Configuration file of the
RTU3041C
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2 Engineering
2.1 Hardware Setup
Section 1.3 lists the required hardware components.
The following diagram shows the hardware setup of the RTU3041C.
Figure 2-1: Circuit diagram RTU
RTU3041C
L+ L+MM0+ 0-
M 0
X10
X20
X40 X41 … …
Externalpower
supply (optional)
LU150
+ -
Digital
level sensor
M 1
X21
Digital
moisture sensor
1. Insert the SIM card into the RTU3041C.
2. Insert two batteries at a time into a battery module housing.
3. Mount the RTU3041C and, to the left of it, the battery module housing on a
top-hat rail.
4. Connect the digital level sensor to the terminal block X20.
5. Connect the digital moisture sensor to terminal block X21.
6. Connect the analog level sensor to terminal blocks X40 and X41. For
instructions on how to operate the SITRANS LU150, refer to the instruction
manual: https://support.industry.siemens.com/cs/ww/en/view/109739505.
7. Connect the antennas to the RTU3041C.
8. Connect the battery module housing to the RTU3041C.
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Note
You can also operate the RTU3041C with an external power supply instead of
batteries. To do this, connect the external power supply with DC 12 to 24 V to
terminal block X10 IN.
Note
Connection examples for other sensors can be found in the instruction manual:
https://support.industry.siemens.com/cs/ww/en/view/109750942.
The following table provides an overview of all IP addresses used in this example.
Assignment of static IP addresses is assumed.
Table 2-1
Components
IP address
Description
Engineering station
192.168.0.100
•TeleContol Server
Basic
•OPC UA Client
RTU3041C
192.168.0.3
Access to WBM
The subnet mask in all network components is 255.255.255.0.
Note
Adjust the IP addresses of the components in your project so that they are on the
same subnet.
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2.2 Configuration and project planning
This section describes the most important steps of the configuration:
•Configure the SIMATIC RTU3041C (Section 2.2.1) or load the supplied
configuration file (Section 2.2.4)
•Configuring the TeleControl Server Basic (Section 2.2.2)
•Configure OPC UA Clients (UaExpert) (Section 2.2.3).
2.2.1 Configuring the SIMATIC RTU3041C
This section shows you all necessary steps to configure the RTU3041C for the
application described here.
Note
The supplied project "109739240_RTU3041C_ PROJ_V30.zip" contains the
finished configuration file ("*.cfg"), which you can load into your RTU3041C and
adapt to your application in just a few steps (see Section 2.2.4).
This section is for information only.
Note
Insert a SIM card into the RTU3041C before configuring.
For each RTU, you need a SIM card with data option. You can obtain this from
your mobile provider.
General configuration
1. Connect the RTU3041C to your PG/PC via a network cable.
Note
If you are using multiple RTUs, address conflicts may occur during initial startup
because each RTU is assigned the same IP address by default. Therefore, during
commissioning, ensure that only one RTU is connected to your network at a time.
2. If necessary, change the IP address of your PG/PC (according to Table 2-1) so
that it and the RTU3041C are in the same subnet.
3. Wake up the RTU3041C by briefly pressing the WKUP/RESET button on the
RTU3041C.
4. In a browser, open the web server of the RTU3041C at the address
"192.168.0.3".
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5. Log in with the username "admin" and the password "admin".
6. Assign a new password.
7. Navigate to the "System" menu.
8. Assign a unique station name.
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9. Assign the coordinates for the RTU3041C.
10. Then click "Apply".
10
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11. Open the System time tab and select your local time zone.
11
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12. Then click "Apply".
12
Note
If you are running multiple RTUs on a network, you must assign a unique IP
address. Assign an IP address according to your network settings (e.g.,
192.168.0.4).
13. To do this, navigate to the "LAN" menu.
13
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14. Enter an IP address and subnet mask.
14
15. Then click "Apply".
15
Note
If you have changed the IP address of the RTU3041C, then open the web server
of the RTU3041C again in a browser under the new IP address.
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16. Navigate to the "WAN" menu.
17. Open the Mobile wireless settings tab.
16
17
18
20
22
19
21
18. Enable the mobile function interface.
19. Enter the PIN of the inserted SIM card.
20. Enable the mobile data service.
21. Enter the APN of your mobile operator. If necessary, enter your username and
password.
22. Then click "Apply".
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Configuring SMS/email sending/receiving
To enable the RTU3041C to send messages and data for configurable event
classes (diagnostic buffer entries), either as SMS or as email to an operator,
proceed as follows:
1. Navigate to the "Users / groups" menu.
2. Add a new user with the name "Administrator".
3. Enter the phone number with country code (e.g., "+49" for Germany).
4. Enter the email address for the "Administrator" user.
5. Then click "Apply".
Note
The RTU3041C only accepts wake-up SMS messages from phone numbers that
are stored here.
6. Open the "Recipient groups" tab.
10
7. Add a new group named "Administrator SMS".
8. Select the type "SMS".
9. Enable the "Administrator" user.
10. Then click "Apply".
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11. Add a new group named "Administrator Email".
12. Select the "Email" type.
13. Enable the "Administrator" user.
11
11
13
12
14
14. Then click "Apply".
15. Navigate to the "WAN" menu.
16. Open the "SMS" tab.
15
16
17
18
19
17. Enable the "Allow receipt of SMS messages" checkbox.
18. Enable the "Acknowledgment of wake-up SMS message" checkbox.
19. Then click "Apply".
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20. Navigate to the "Services" menu.
21. Open the "E-mail" tab.
20
21
22
24
23
22. Enable the "Active" option there.
23. Enter the server data of the email account that the RTU3041C should use to
send emails.
24. Then click "Apply".
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Configuring operating modes
To conserve power, the RTU3041C is in sleep mode much of the time, switching to
an update or communication mode in predetermined cycles.
1. Navigate to the "Operating mode" menu.
2. Enter the cycle of the update mode e.g., "1 minute" for test purposes
or choose"1 hour" for the application described here.
3. Set the communication mode to "Cyclic" and specify the cycle of the
communication mode e.g., "10 minutes" for test purposes or "12 hours" for the
application described here.
4. Enter how often the mobile wireless interface should be switched on to fetch
SMS. This is not necessary for the application described here. Select "No" for
this purpose
5. Enter the minimum duration of the service mode e.g., "always" for test
purposes or "30 seconds" for the application described here.
Note
The RTU3041C dials into the mobile wireless network every 12 hours. If the
RTU3041C dials into the mobile wireless network more frequently, the power
consumption will increase.
6. Then click "Apply".
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