CTC Union SC310 Series User manual
SC310 Series Signal ConditionerSC310 Series Signal Conditioner
Product ManualProduct Manual
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• Introduction...................................................................3
• Product Description...........................................................3
• Installation ....................................................................4
• Signal Conditioner Configuration ..............................................6
• Operation ................................................................... 16
• Verifying Driver Support for Configuration ................................... 20
• Troubleshooting............................................................. 24
• Software End User Agreement .............................................. 28
• Maintenance ................................................................ 38
• Warranty and Return Information ............................................ 38
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This document contains information on the operation, installation, and
maintenance of the SC310 Series Signal Conditioner. The signal conditioner
is a device that converts a sensor input to 0-20 mA, 4-20 mA, 0-5 Vdc, or
0-10 Vdc output signals and provides a buffered dynamic output of the vibration
waveform. The signal conditioner accepts input from an accelerometer, velocity
transducer, or proximity probe. The signal conditioner’s output can be configured
proportional to acceleration, velocity, or displacement depending on the input
transducer type. Additionally, the signal conditioner also contains dedicated
pins for input from a temperature sensor and a 4-20 mA signal proportional to
the temperature sensor input voltage.
SC310 Series Overview
The SC310 signal conditioner is a DIN rail mountable component used in
continuous machinery monitoring applications. It provides signal conditioning,
signal conversion, and re-transmission. All settings are configured using
downloadable and easy to use software (requires PC and a micro USB cable). A
general list of features includes:
• 4-20 mA output signal for temperature
• One selectable channel offering 0-5 Vdc, 0-10 Vdc, 4-20 mA, or 0-20 mA
output signals proportional to vibration
• Built-in selectable 24 Vdc, 4 mA IEPE Sensor Excitation
• LED indicator for unit operation and basic troubleshooting
• Selectable configurations for 0-Pk, Pk-Pk, RMS, as well as peak and hold
• Input selectable between acceleration, velocity, and displacement
• Ultrasound compatible up to 40 kHz
• Independent and selectable digital bandpass filters
• Output scalable for Metric and English
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• Output selectable between acceleration, velocity, or displacement (varies
by configuration)
• Ten available full-scale ranges from 0.5 to 500 (g’s, IPS, mm/sec, mils; the
maximum full-scale range varies based on input sensor activity)
• Two buffered dynamic outputs, one via BNC and one via terminal blocks
• 35 mm DIN rail mountable
• Removable terminal blocks facilitates easy wiring
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Electrical Connections
1
2
3
4
9
10
11
12
5
6
7
8
13
14
15
16
Temperature Output (+)
Temperature Output (-)
Dynamic Output (+)
Channel 1 Output (-)
Channel 1 Output (+)
CAN High
CAN Low
Dynamic Output (-)
Power In (+)
Power In (-)
Temperature Input (+) (.1 to 1.7 V)
Sensor Drain Wire (GND)
Vibration/
Temperature Common (-)
Vibration Signal In (+)
4-20 mA
Output
Dynamic
Signal Output
+20 - 32VDC
Common
0-5 VDC, 0-10 VDC,
4-20 mA, 0-20 mA
SIGNAL CONDITIONER ELECTRICAL WIRING DIAGRAM
FOR SINGLE CHANNEL IEPE ACCELEROMETER INPUT
Figure 1. Signal Conditioner Electrical Wiring Diagram
for Single Channel IEPE Accelerometer Input, with Temperature
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1. Connect the +20 - 32 Vdc power lead to the terminal marked 5 and the negative
or common to the terminal marked 6.
2. For single channel accelerometer input connection, wire the sensor leads to
13(+), 14(-), and 15(shield drain wire) as shown in Figure 1. If using a TA series
sensor, the temperature out lead is attached to terminal 16.
3. Connect the output device to terminals 11(+) and 12(-) for channel one’s
4-20 mA signal proportional to the vibration level.
4. Connect output device to terminals 1(+) and 2(-) to obtain the 4-20 mA signal
representative of temperature level.
5. Terminals 7(+) and 8(-) are inactive for single channel signal conditioner builds.
6. The dynamic signal output can be obtained from the BNC connector at the top
of the signal conditioner or from terminals 3(+) and 4(+).
Terminal connections are also listed on the side of the signal conditioner.
Figure 2. Signal Conditioner — Dynamic Signal Output BNC
DYNAMIC
SIGNAL
OUTPUT
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Wiring for Biaxial/Triaxial Accelerometers
The SC300 Series signal conditioners are compatible with biaxial and triaxial
sensors; however, the wiring will be different than connecting a single-axis
accelerometer or piezo-velocity sensor. Each vibration input will require a unique
signal conditioner, so a triaxial sensor will require three SC300 units, and each
biaxial sensor will require two SC300 units. Each axis of vibration will have its own
signal conductor wire, which will then be run to a separate SC300 on terminal 13.
The black common conductor will be run to one of the signal conditioners at
terminal 14, then must be daisy chained to terminal 14 of the remaining signal
conditioners. For more information or questions, please contact CTC.
Mounting
The signal conditioner is designed to be mounted on a 35 mm DIN rail. The
mounting clip is spring-loaded to facilitate simple permanent locating. To remove
the signal conditioner, use a small flathead screwdriver as a lever on the spring-
loaded mounting clip. With the clip disengaged, slide the signal conditioner from
the mounting rail.
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Requirements
• Windows 10 minimum build version: 1703 or .NET Framework 4.7.2 (https://
dotnet.microsoft.com/download/dotnet-framework/thank-you/net472-
web-installer)
• Approximately 1GB of free storage (5GB recommended) to create application
files, log files, and database records.
Installing the Configuration Software
1. Log into your account on the CTC website.
a. On the resulting page, scroll down to the information panel, and click
the “Software Downloads” button.
2. Click the Signal Conditioner Software button.
a. If you have not downloaded the signal conditioner software previously,
you will be prompted to insert a liscence key. This is the serial number
of your signal conditioner.
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3. A compressed .zip folder will download. Find this in your browser’s
download manager and open the file.
a. A window may pop up asking about compressed folders. Click Extract all.
4. Double click the .exe file located in the folder to launch the installer.
a. Windows security might attempt to block the installer on launch. If this is
the case, click the “More info” line.
b. Click the Run Anyway button. This will launch the software installer.
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5. Read and accept the licence. Click Next.
6. Review the system requirements. Click Next.
7. Review the location for the program files to be installed. If a different
location is preferred, click Browse, and set the new destination. Click Next.
8. By default, the program will add a launch button to the Windows Start
Menu. If this is not desired, click the “Don’t create a Start Menu folder”
checkbox. Click Next to proceed.
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9. If a desktop icon is desired, click the “Create a desktop shortcut” checkbox.
Click Next.
a. For ease of access, it is highly recommended to include either a desktop
icon or a Windows Start Menu launcher. If neither of these options were
included during installation, it is still possible to launch the software by
typing “Signal Conditioner Configurator” in the Windows search bar.
10. Click Install to finalize installation preferences and install the program to
the computer.
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Running the application
When you run the CTC Signal Conditioner Application, the first thing that will
appear is a device select screen. This is where all units currently plugged into the
computer will appear. If no Signal conditioners are plugged in to the computer, a
pop up window will display requesting that one be connected. Note: It is currently
discouraged to plug multiple devices in at the same time due to a limitation of the
USB serial drivers that cause the devices to lock up if any two USB COM ports read
or write at the same time. If this occurs, unplugging the devices should resolve the
issue. From this window, if a signal conditioner is connected to the computer, it will
appear automatically in the list and will be selected as soon as it’s detected.
Clicking the Configure Your Signal Conditioner button on the left of the screen will
take you to the page in Figure 3.
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Configuration Software
There are several different controls for changing the configuration of the selected
device. The Part Number text box will display the part number for the currently
selected configuration values. The Part Number text box will also change the
selected configuration values if a part number is typed or pasted into the box.
The Serial Number box will display the serial number of the currently selected
device.
The Device Type box will show whether the currently selected Signal Conditioner
is Single Channel or Dual Channel.
Figure 3. Signal Conditioner Conguration Window
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In the configuration tab are the configuration settings for the unit. The “Input
Sensitivity” and “Input Units” dropdown menus define the sensor connected to
the signal conditioner. Input Sensitivity refers to the sensor’s sensitivity, and the
input unit refers to the sensor’s measurement type (g’s for acceleration, IPS and
mm/s for velocity, and mils for displacement). In Figure 3, the signal conditioner
is configured to accept input from a 100 mV/g accelerometer. It is essential
that this correctly matches the sensor type used to ensure proper scaling and
accurate calculations. The software will allow you to use combinations of input
sensitivity and input units that do not currently exist as sensors. If you do this,
the software will alert you that the “Part number is invalid or the software is out
of date. Config can still be applied” and produce a part number with a space in it.
The “IEPE Power” dropdown menu controls whether or not the built-in IEPE
supply on the device is enabled or disabled. In Figure 3, the IEPE power supply
is configured to “ENABLED,” so once configured and plugged in, the signal
conditioner will supply a constant 4 mA to the sensor. The sensor input and thus
settings described above are shared by both channels. Below, the “IEPE Power”
dropdown menu is where each channel’s scaling settings are configured. For the
SC310 series, only Channel 1 will be available to edit.
“Full-Scale Range” corresponds to the dynamic range of the measurement and,
combined with “Output Units,” make up the scaling for the output control signal.
The maximum selectable full-scale range is dependent on the sensor sensitivity.
For more information, please visit https://documents.ctconline.com/archive/full-
scale-range-limitations. The output unit selections are the same as the input unit
selections and depend on the sensor type. The output unit can either be straight
through or integrated. In a straight-through configuration, the output unit matches
the sensor input unit (e.g., g’s in and g’s out). In an integrated configuration, the
output is integrated and then measured (e.g., an accelerometer signal in g’s can
be integrated to measure velocity in either IPS or mm/s). Conversion can also
take place between mm/s and IPS. The “Measurement Type” describes how the
signal conditioner measures the sensor signal for scaling calculations. This can
be either peak, peak to peak, or RMS, peak hold.
For example, the input sensor in Figure 3 is 100 mV/g, the full-scale range is
0-2 with a unit of g’s, and the measurement type is peak. Therefore, a midscale
condition will occur when the sensor outputs a signal corresponding to 1 g peak
(halfway between 0 g and 2 g). If the measurement type were RMS instead, a
mid-scale condition would occur if the RMS of the sensor signal was equal to 1
g (a peak value of 1.414 g). If the signal was integrated and the output unit was
IPS, a mid-scale condition would occur if the sensor were outputting a signal
corresponding to 1 IPS after integration.
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The “Output Type” dropdown determines what kind of process signal each
channel will output. Selectable options are 0-20 mA, 4-20 mA, 0-5 Vdc, and
0-10 Vdc. The level of the output signal corresponds to where it falls in the full-
scale range. So, continuing the example from Figure 3, if the signal is at midscale
vibration (1g peak for this configuration), and the output type is 0-5 Vdc, then the
output signal will read 2.5 V.
The “Filter Range” describes the cutoff frequencies of a digital bandpass filter
used to filter the sensor signal on each channel. In the configuration in Figure
3, the frequency range is 10 Hz - 1 kHz. The signal conditioner will attenuate
frequencies below 10 Hz and above 1 kHz. To maximize precision, it is beneficial
to keep the primary frequencies of interest in the middle of the passband. There
are also computational limitations that put a limit on bandwidth for filtering. If
it is necessary to observe frequencies from 10 Hz to 20 kHz, this will not work
on a single channel. Should such functionality be required, CTC recommends
the SC320 series dual channel signal conditioner. Having multiple configurable
channels is advantageous in these situations. Channel one could be set to
measure frequencies from 10 Hz to 1 kHz, and channel two could handle
frequencies from 1 kHz to 20 kHz. This is also useful to split up the output units,
such as integrating for velocity on channel one and monitoring channel two for
acceleration.
The “Default Configuration” button will load all dropdown menus with the
standard ISO configuration, corresponding to a 100 mV/g sensor in and IEPE
Power on. Channel 1 will display a 0-2 full-scale range, IPS output units, RMS, and
a frequency range of 10 Hz - 1 kHz. Channel 2 will display a 0-10 full-scale range,
output units of G, Peak, and a frequency range of 1 kHz - 5 kHz. Both channels
will show 4-20 mA.
The “Read Configuration From Device” button will clear whatever configuration
is currently selected and replace it with the last one saved on the device (only
on devices above firmware version 2). This happens every time a device over
firmware version 2 is connected, and this button is meant to allow you to see
what was previously configured without unplugging the device. The feature will
falsely claim that the filters are 10 Hz-1 kHz and 1 kHz-5 kHz after updating past
firmware version 2 until the device is programmed again. This error is because
the device will not know what the previous filters were before firmware version 2.
Once the desired configuration is set, the device will need to be programmed
by pressing the “Program Your Signal Conditioner” button. A new window will
pop up and show the current progress. If this process fails, be sure to read the
troubleshooting guide. The “Update Firmware” tab shown in Figure 4 is where the
user can update the signal conditioner’s firmware by clicking “Update Firmware.”
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The Diagnostics tab shown in Figure 5 is where device errors and warnings can
be read off the signal conditioner (see Indicators in the Operation section) by
clicking “View Errors.” If errors are present on the device, View Errors will read
them and display information about the error(s) for corrective action. Any errors
that appear may be cleared from the device by clicking the “Clear Errors.” Both
operations are done via the USB port, like when programming the device.
Figure 4. Update Firmware
Figure 5. Diagnostics
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Accessing Configuration History
Clicking “File” in the top menu will allow the user to select an option to view
previous configurations. Selecting this option will open the computer’s default
text file viewer with a log containing the date, time, serial number, part number,
and full configuration.
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O
Once all wires are connected, apply power to begin operating the signal
conditioner. Make sure the status light settles to normal mode.
Note: When the software reports an error, it does not necessarily mean that the
error is currently present on the signal conditioner. It just means that the error
has been encountered at some time and recorded for reporting. For example, if
the signal conditioner was powered before any output wiring was complete, the
device will record an output error. If wiring is then completed, the output error
will go away if the wiring is correct but would show up in an error report if not
cleared. Always reference the LED indicator for live device status, and remove
any erroneous/out-of-date errors.
Calibration
Thesignalconditioneriscalibrated internallyduringstartup.Thedigital calibration
eliminates the need for any adjustments to the analog output.
Indicators
The LED on the front of the signal conditioner will indicate the status of the signal
conditioner.
State 1 - Normal Operation
• LED is solid green
State 2 - Input Short Detected
• LED is rapidly flashing red
A short circuit is indicative of a lack of electrical resistance, removing the ability
to measure the impact from a change in voltage. This instance is largely driven
by an incorrect wiring setup. Verify that all wiring connections are attached in
the correct polarity, and that no signal and common wires are touching. Lastly,
ensure that the system is free of water and other contaminants.
State 3 - Input Open Detected
• LED is solid red
An open circuit implies a physical disconnect somewhere on the electrical path
of the circuit. When receiving this error, verify that there is no physical separation
within the system, such as unattached or broken cabling. Be sure that the
connector is firmly secured to the accelerometer, and that the accelerometer is
in good working order.
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State 4 - Device Warning Detected
• LED is flashing green in 1-second intervals
A detected warning can be due to several things, such as incorrect output wiring
(e.g., an open circuit detected on a current output or a short circuit detected
on a voltage output) or corrupted configuration memory. The device will still
be processing input data. However, it may be running in a reduced state or
return unexpected results (e.g., if memory is corrupted, the unit will default to
the standard ISO configuration until reprogrammed). If this state is detected,
carefully inspect all wiring for secure connections and cycle power to the device.
If the warning persists, the configurator can be used to determine the root cause
and corrective action.
State 5 - Fatal Error
• LED is flashing red in 1-second intervals
In the case of a fatal error, the device has detected some non-recoverable
hardware issue which could have been caused due to physical damage or misuse.
Processing will be disabled in this case. Communication with the configurator
may or may not work depending on the root cause but should be attempted as
it may state the error that occurred. In some cases, cycling power to the device
can remedy the issue.
State 6 - Programming and Startup
• LED is solid orange
This state occurs when the signal conditioner starts up, confirms there is an
available configuration, and sets up its peripherals and outputs. If the USB cable
is connected and plugged into a PC, this state will persist. Plugging in the USB
cable at any point will also cause the device to enter this state. Regular operation
will not occur while the USB cable is plugged in.
State 7 - Bootloader
• LED is flashing between red and green
This state occurs during device startup and indicates the bootloader is running.
This state will persist if new firmware is being written for the duration of the
update. If no firmware update handshake is received from the configurator within
5 seconds, the device leaves this state and continues with the startup.
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Temperature Output Guide
This chart is for reference purposes only and illustrates typical temperature
output signal behavior. This chart is not based on actual test results, nor does
it map an exact voltage from the temperature sensor to an exact 4-20 mA value.
This functionality is only applicable with a CTC TA200 Series dual output sensor.
Output (mA)
Temperature (
°
C)
Signal Conditioner 4-20mA Temperature Output Guide
4
6
8
10
12
14
16
18
20
-40 -20 020 40 60 80 100 120
Output
(mA)
Temp
(°C)
4
-40
4.1
-39
4.2
-38
4.3
-37
4.4
-36
4.5
-35
4.6
-34
4.7
-33
4.8
-32
4.9
-31
5
-30
Figure 6. Sample Temperature Output Chart
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Portable Data Collector Interfacing
When collecting waveform data from the BNC jack on the signal conditioner using
a portable data collector that supplies constant current power, it is recommended
that the data collector is configured so that power to the sensor is turned off.
Although the BNC connector circuitry offers short circuit protection and can
safely sink the current, long-term degradation may occur due to increased power
dissipation depending on the magnitude of the IEPE current. There is no need
for the data collector sensor power to be turned on for the data collection to be
made, and it is the safest way to make measurements if possible.
Figure 7. Signal Conditioner, BNC
BNc Jack for
Portable Data
Collector
Interfacing
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