APG RST-5001 User manual

Operator’s Manual
AUTOMATION
PRODUCTS
GROUP, INC.
Automation Products Group, Inc.
APG...Providing tailored solutions for measurement applications
Tel:[phone]•Fax:[phone]•www.apgsensors.com•E-mail:[email protected]
RST-5001
Web Enabled 4-20mA Input Module
Rev. A1, 4/09

RST-5001 Series Rev. A1, 4/09
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Automation Products Group, Inc.
APG...Providing tailored solutions for measurement applications
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Table of Contents
Warranty ........................................................................................ 3
Introduction ................................................................................... 4
System Connections ................................................................... 5
Wiring using POE ........................................................................ 6
Initial RST Setup using DHCP .............................................. 7-8
Manual Network Setup .......................................................... 9-12
Basic Parameters ................................................................ 13-15
Trip Point Control ................................................................. 16-17
Activating Website Trip Alarms................................................18
Application Parameters ...................................................... 19-22
Using the Level and Flow Website .................................... 23-24
Setting Website Alarms....................................................... 24-28
Specifications .............................................................................29
Dimensions.................................................................................30

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APG warrants its products to be free from defects of material and workmanship
and will, without charge, replace or repair any equipment found defective upon
inspection at its factory, provided the equipment has been returned,
transportation prepaid, within 24 months from date of shipment from factory.
THE FOREGOINGWARRANTYIS IN LIEU OFAND EXCLUDESALLOTHER
WARRANTIES NOTEXPRESSLYSETFORTH HEREIN,WHETHER
EXPRESSED OR IMPLIED BYOPERATION OF LAWOR OTHERWISE
INCLUDING BUT NOTLIMITED TOANYIMPLIED WARRANTIES OF
MERCHANTABILITYOR FITNESS FORA PARTICULAR PURPOSE.
No representation or warranty, express or implied, made by any sales
representative, distributor, or other agent or representative ofAPG which is not
specifically set forth herein shall be binding uponAPG. APG shall not be liable
for any incidental or consequential damages, losses or expenses directly or
indirectly arising from the sale, handling, improper application or use of the
goods or from any other cause relating thereto andAPG’s liability hereunder, in
any case, is expressly limited to the repair or replacement (at APG’s option) of
goods.
Warranty is specifically at the factory. Any on site service will be provided at
the sole expense of the Purchaser at standard field service rates.
All associated equipment must be protected by properly rated electronic/
electrical protection devices. APG shall not be liable for any damage due to
improper engineering or installation by the purchaser or third parties. Proper
installation, operation and maintenance of the product becomes the
responsibility of the user upon receipt of the product.
Returns and allowances must be authorized byAPG in advance. APG will
assign a Return Material Authorization (RMA) number which must appear on
all related papers and the outside of the shipping carton. All returns are subject
to the final review byAPG. Returns are subject to restocking charges as
determined by APG’s “Credit Return Policy”.
• Warranty and Warranty Restrictions

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Introduction
The RST-5001 web enabled 4-20mAinput module provides a tailored
solution to the monitoring of local and remote tanks. The RST-5001 will accept
the 4-20mA output from virtually any sensing device.
Features include:
• Power over Ethernet (48 VDC, 20 mA) for easy wiring
• 24 VDC source for powering 4-20mA devices
• Two isolated solid state relays trip point outputs
• No special programming software required
• Able to calculate volume of tank or vessel
• Din-Rail mounted (33 mm)

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System Connections
100 -250 VAC
CAT-5Cable
Network
Computer
on
Int e rne t
CAT-5Cable
Int e rn et
Connection
LAN LAN+DC
Web Serverthat hosts
d at a ba se fo r st o rin g
upload ed lev e lre ading s
and Webpagesfor
viewinganddownloading
stored levelreadings.
PO E
Injector
Computer
on
Loc al
Network
2 4 Volt Outpu t
4-20maInput
SolidStateRelay s
APG
RST - 50 01

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Wiring using POE
Wiring using Sourced 24 VDC
100 - 250 VAC
CAT-5 Cable
To LA N CAT-5 Cable
LAN LAN+DC
24 Volt Output
4-20ma Input
Solid State Relays
CAT-5 Cable
SolidState Relays
To LAN
24 Volt DCInput
4-20ma Input

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Initial RST Setup Using DHCP (Factory Default)
Wiring using POE (see illustration at left):
1. Connect the RST to the LAN + DC port on the POE adapter.
2. Connect the LAN port on the POE adapter to the local network.
3. Plug in the POE adapter and the green power LED should turn solid.
4. The “Connect” light located in the RST will begin to flash, indicating the
DHCP is attempting to establish communication. Once communication is
established, the “Connect” light will turn solid. NOTE: see Troubleshooting
DHCP if Connect light does not turn solid after a few minutes.
Sensor Setup:
1. In order to access the sensor’s internal web page, open an Internet browser
and type in the address bar, “rst_sensor number” (i.e., if the RST’s serial number
ends with a 005 then type: rst_5). The following screen should appear.
2. Click on the Home button and the login screen should appear. Use the
following to login:
User Name: admin
Password: password
3. After the user name and password are entered, the sensor will display the
main page.
NOTE: If typing the “loe_#” does not work it
may indicate the DHCP has saved a previous
name for the IP assigned. Power down the
sensor and have the System Administrator
delete this name from the DHCP server.

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Troubleshooting DHCP:
1. Check to make sure all cable connections are firmly latched in place.
2. If “Connect” light flashes in 1 second intervals it indicates that the IP
address is not being assigned, continue to step 4.
3. If “Connect” light flashes every 10 seconds the IP address has been
assigned but the sensor is not able to connect to the Internet. Contact your
SystemAdministrator.
4. If DHCP is still not connecting then hold down the rest push-button on the
RST. This will force the default IP address to the sensor. Proceed to the
following section to manually set up the computer and sensor for
communication.
4. The main page will show links for Network, Security, Labels, Basic
Parameters, andApplication Parameters.
5. The Network page will be similar to the one shown below. The LAN IP
Address will signify the sensor’s IP address. The Port Number will signify
APG’s server.
6.After verifying the sensor’s initial communication has been established
contact theAPGplant for final setup.

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Manual Network Setup (Windows XP example)
Computer Setup:
1. Make sure computer is connected to the network and can talk to the
Internet.
2. Click Start.
3. Click Run.
4. Type CMD and press Enter.
5. Once the CMD file is running type ipconfig and press Enter.
Information like the following should appear:
IPAddress..........................: 192.168.1.104
Subnet Mask......................: 255.255.255.0
Default Gateway................: 192.168.1.1
6. Write down the values for these three categories.
7. Close the CMD by typing Exit and press Enter.
8. Click Start, Control Panel, and then open the Network Connections.

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9. Right click on the LocalArea Connection and click Properties.
10. In the center box scroll down to find TCP/IP and click Properties.
11. Click on the “Use the following IPAddress” and type in the
following:
IPAddress: 169.254.0.200
Subnet Mask: 255.255.255.0
12. Click OK and then click Close.
13. Disconnect Ethernet cable from
computer and connect the crossover
Ethernet cable to computer.

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Manual Network Setup Wiring:
1. Connect RST to the LAN + DC port on the POE adapter using a standard
Ethernet cable.
2. Connect the crossover Ethernet cable coming from the computer to the
LAN port on the POE adapter.
3. Plug in the POE adapter and the power LED should light.
RST Manual Network Setup:
1. Open the computer’s Internet browser.
2. In the address bar type in the IP address that has been assigned to the
sensor (i.e., http://169.254.0.200). The following screen should appear.
3. Click on the Home button and the login screen should appear. Use the
following to login:
User Name: admin
Password: password
4. After the user name and password are entered the sensor will display the
main page.

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5. Click on the Network link and change the Default Gateway and Subnet
Mask to match the ones written down earlier from Computer Setup.
6. Click Change and then Refresh to verify the change.
7. Change the sensor’s IP address (LAN IPAddress) to a value higher than
the computer’s IP. For example, if the computer’s IP address is 169.254.1.104,
then the sensor IP address should be 169.254.1.154 NOTE: verify with
System Administrator before assigning IP address.
8. Click Change (Note: at this point the RST will no longer respond).
Final Wiring:
1. Disconnect crossover cable from computer and connect computer with a
standard Ethernet cable.
2. Disconnect crossover cable from POE adapter.
3. Use a standard Ethernet cable to connect the router to the LAN port on the
POE adapter.
Fix Computer:
1. Follow steps 8-10 from Computer Setup
2. Click on the “Obtain an IP addressAutomatically”
3. Click OK and Close
4. Wait for a moment and open the computer’s Internet browser to confirm
connectivity

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Basic Parameters
NOTE: The RST’s onboard Send/Reset push-button has the capability
of sending and resetting the stored parameters. To send the existing
parameters to the APG website, make sure the sensor is communicating
and push the button once. To reset the parameters, disconnect the
sensor from power, hold down the reset button while reapplying power to
the sensor, continue to hold the button for about 5 seconds and then
release. The RST parameters will then be reset to default values,
including the network settings.
Reference Position: Designates the reference point of the 4-20mA device
feeding the RST. For example: ultrasonic and radar level sensors reference down
from the top of a tank, while a submersible pressure transducer references from
the bottom up.
4mA Value: Used to assign the value associated with a 4mA input signal.
20mA Value: Used to assign the value associated with a 20mA input signal.

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4mA Calibration: Used to true-up or “calibrate” the Calculated Reading
to the 4mA input signal which in reality might be slightly greater or less than
4mA. Lowering this value will increase the Calculated Reading. Increasing the
value will decrease the Calculated Reading.
20mA Calibration: Used to true-up or “calibrate” the Calculated Reading
to the 20mA input signal which in reality might be slightly greater or less than
20mA. Lowering this value will increase the Calculated Reading. Increasing
the value will decrease the Calculated Reading.
Filtering
The filtering settings help the user further control the input signal. There are
four parameters that affect the filtering: Average, Window, Out of Range
Samples and Sample Rate.
Average: defines the number of readings (samples of the 4-20mA signal)
that will be averaged together and displayed as the Calculated Reading. Each
qualified sample is placed into a First-In First-Out (FIFO) buffer and averaged
with the previous samples to generate a steady Calculated Reading even if the
4-20mAsignal is fluctuating. Aqualified sample is one that falls within the
boundaries set in the WINDOW parameter. The higher the number of samples
averaged, the greater the smoothing effect of the measurement. A higher
average setting will result in a slower response to rapid changes in the 4-20mA
signal. A fast moving target may require a lower average setting.
Window (NOTE: this parameter works in conjunction with the Out of Range
Samples parameter):designates the width of the “window” or zone of target
acceptance. Any reading that falls within the Window will be accepted as valid
and averaged into the buffer. Any reading that falls outside the Window will be
ignored as determined by the Out of Range Samples setting. The acceptance
Window is plus or minus the value in the Window parameter from the present
Calculated Reading. For example: if the Calculated Reading shows 100 and
the Window is set at 10, then any reading between 90 and 110 will be accepted.
Out of Range Samples: designates the number of consecutive signal

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readings or “samples” outside of the specified Window that are required before
the RST recognizes the “out of range” reading as a legitimate target. For
example: Suppose the Window is set at 25, the Out Of Range Samples is set
to 10, and the Calculated Reading shows 300. If a input signal suddenly jumps
to a value calculated to be 500, which falls outside of the Window (275-325),
then the RST will ignore the new reading unless it remains for 10 consecutive
samples, at which time it would be accepted as the new reading and averaged
into the buffer. However, if the “out of range” signal were sampled only 9
consecutive times and then signal returned to within the Window, then the RST
would retain the original Calculated Reading and the 9 out of range samples
would simply be ignored.
Sample Rate: adjusts the rate at which the RST samples the 4-20mA input
signal. The Sample Rate is express in Hertz. Options allow for rates from 1 to
15Hz.
Multiplier: The Calculated Reading will be multiplied by the value set in
the Multiplier setting. Default is 1.000
Calculated Reading: The raw reading as calculated based on Basic
Settings parameters. NOTE: Application Parameters affect only the Main
Display and are not figured into the Calculated Reading.

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Trip Point Control
Trip 1 & 2 Value: defines the Calculated Reading at which the trip output
will change states (dependent on Trip Type setting).
Trip 1 & 2 Window: defines the value between the Trip Value and the
secondary trip function (applicable to Trip Types 1,2,4,5). For example: if the
Trip Value is 250, and the secondary trip function is desired at 350, then the Trip
Window should be set at 100.
Trip Type: Determines the function of the trip output. The 7 options are
illustrated in the chart on the following page and in the descriptions below.
"Type 0" or Near trip type will activate the output when Calculated
Reading is less than the Trip Value setting. NOTE: the Trip Window setting is
not applicable to this Trip Type and can be ignored.
"Type 1" or Exclusive trip type will activate the output when the Calculated
Reading is less than the Trip Value OR greater than the Trip Value + Trip
Window. The output is always deactivated inside the Trip Window.
"Type 2" Hysteresis Near trip type will activate the output until the
Calculated Reading increases beyond the Trip Value + Trip Window, at which
point the output deactivates and remain in that state until the Calculated
Reading falls below the Trip Value.
"Type 3" or Far trip type will activate the output once the Calculated
Reading increases beyond the Trip Value. NOTE: the Trip Window setting is
not applicable to this Trip Type and can be ignored.
"Type 4" or Inclusive trip type activates the output only inside the Trip
Window. The output is deactivated when the Calculated Reading is less than
the Trip Value or greater than the Trip Value + Trip Window.
"Type 5" or Hysteresis Far trip type will activate the output when the
Calculated Reading increases beyond the Trip Value + Trip Window, and
remain active until the Calculated Reading falls below the Trip Value.
"Type 6" Trip Point output disabled.

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Of fOn
Of f OnOn
On
Of f
Of f On
Of f On Of f
Of f
On
Of f
On
On On
Of f Of f
Type 0:
Near
Type 1:
Exclusive
Type 2:
Type 3:
Far
Type 4:
Inclusive
Type 5:
Hysteresis Fa r
Type 6:
Hysteresis Nea r
Trip Point Disa ble
Window
Tr ip
Va l ue
Reference
Position

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Activating Website Trip Alarms: the trip output can also be used as an
alarm that will report to the website whenever the alarm condition is detected,
regardless of the call time interval (as set on website).
Placing a “1” in front of any of the Trip Types designates a closed or active
output as an alarm condition. For example; Trip Type 5 would be designated as
15.
Placing a “2” in front of any of the Trip Types designates an open or inactive
output as an alarm condition. For Example; Trip Type 3 would be designated as
23.
A website alarm can then be setup to automatically send out an email and/or
text message if an alarm is reported. The website alarm can also be set to run
through a delay before reporting the condition. If the alarm condition clears
during the delay, the call for the alarm will be canceled. This will help prevent
erroneous calls.
NOTE: any delay will come from the time it takes to connect to the website,
which may vary depending on the local internet connection.
For more information, see WebsiteAlarms on pages 24-27.

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Application Parameters
Full Distance: Defines the distance from the Reference Position (see
Basic Modes) to the uppermost point of the vessel to be used in the volume
calculations.
Empty Distance: Defines the distance from the Reference Position to the
lowermost point of the vessel to be used in the volume calculations.
Application Type: selects the type of calculated result to be displayed on
the Main Display page. There are 9 available options:
0= Distance: Displays the difference between the Reference Position and
the Calculated Reading.
1= Level: Displays the difference between the Empty Distance and the
Calculated Reading.
2 = Standing Cylindrical Tank with Hemispherical Bottom

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Full Distance
0.00 – 25.00 ft
Empty distance
1.00 – 25.00 ft
Tank Diameter
0.00 – 100.00 ft
Radius of Hemisphere
0.00 – 100.00 ft
3= Standing Cylindrical Tank with Conical Bottom
Full Distance
0.00 – 25.00 ft
Empty distance
1.00 – 25.00 ft
Tank Diameter
0.00 – 100.00 ft
Cone Diameter
0.00 – 100.00 ft
Cone Height
0.00 – 25.00 ft
4= Standing Rectangular Tank with Chute
Full Distance
0.00 – 25.00 ft
Empty distance
1.00 – 25.00 ft
Tank Length
0.00 – 100.00 ft
Tank Width
0.00 – 100.00 ft