PCI MTSE Instruction manual

Multi-Trans
Smart Ecosystem
MTSE
Installation, Operation
& Maintenance Manual

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TABLE OF CONTENTS
1. INTRODUCTION .............................................................................................................................. 1
1.1. Description ................................................................................................................................... 1
1.2. Specifications ............................................................................................................................... 1
1.3. Safety ............................................................................................................................................ 1
1.3.1. Electrical Connections .......................................................................................................... 1
1.3.2. Static Electricity ................................................................................................................... 1
2. INSTALLATION ............................................................................................................................... 2
2.1. Product Installation Dimensions .................................................................................................. 2
2.2. Electrical Connections.................................................................................................................. 3
2.2.1. Common Electrical Connections .......................................................................................... 4
2.3. Pneumatic Connections ................................................................................................................ 7
3. MTSE CONFIGURATIONS .............................................................................................................. 8
3.1. Display Overview ......................................................................................................................... 8
3.2. System Configurations ................................................................................................................. 9
3.2.1. Display Types ..................................................................................................................... 10
3.3. Display Features ......................................................................................................................... 11
3.3.1. Sensor Data Page Shortcut ................................................................................................. 11
3.3.2. Keypad ................................................................................................................................ 11
4. MENU INFORMATION .................................................................................................................. 12
4.1. Levels of Menus ......................................................................................................................... 12
4.2. Setup Menus ............................................................................................................................... 13
4.2.1. Operating Range Menu ...................................................................................................... 15
4.2.2. K-Factor .............................................................................................................................. 16
4.2.3. Analog I/O Configuration .................................................................................................. 17
4.2.4. System Filters ..................................................................................................................... 17
4.2.5. Network Communications .................................................................................................. 18
4.2.6. Temperature Compensation & Altitude ............................................................................. 19
4.2.7. Alarm Options .................................................................................................................... 20
4.2.8. Units and Precision ............................................................................................................. 22
4.2.9. ΔP Settings ......................................................................................................................... 23
4.3. Diagnostics Menu ....................................................................................................................... 24
4.3.1. Sensor Data Page ................................................................................................................ 24
4.3.2. System Overview ............................................................................................................... 26
4.3.3. Factory Defaults ................................................................................................................. 27
4.3.4. Software Update ................................................................................................................. 27
4.3.5. ScreenSaver ........................................................................................................................ 28
4.3.6. AutoZero Settings ............................................................................................................... 28
4.4. K-Factor Page Shortcut .............................................................................................................. 29
4.5. Notification Page ........................................................................................................................ 29
4.6. Troubleshooting and Help Pages................................................................................................ 31
ATTACHMENTS
A BACnet PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT
B MODBUS SOFTWARE CONFIGURATION PARAMETERS

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1. INTRODUCTION
1.1. Description
The Multi-Trans Smart Ecosystem (MTSE) is a flow and pressure transmitter which can simultaneously
provide airflow measurement of up to three flow systems (e.g., supply, return, and outside air) and four
differential pressure points (e.g., total fan static, duct static, pre and final filters) in any combination for
a total of 9 sensing points. The MTSE can connect to and receive a differential pressure signal from
each fan’s piezometer-ring airflow sensors or field installed airflow stations. This signal is scaled and
linearized before being displayed locally and transmitted out as a 4-20mA or 0-10VDC signal, as well as
on Modbus or BACnet network communication. A true AutoZero feature corrects potential zero offset
caused by large ambient temperature changes for outside air applications. A temperature compensation
feature compensates the flow signal for density changes caused by variations in the air temperature.
1.2. Specifications
Power Requirements 20 - 28VAC/VDC Supported Protocols BACnet MS/TP
Modbus RTU Slave
Protection Circuit Polarity Protected
Self-Resetting Fuse
Max communication length 4000 ft. (EIA-485)
Power Consumption 8.5W, 15.3VA Max Operating Temperature -20°F to 158°F
(-29°C to 70°C)
Digital Outputs (2) Open Collector Digital
Outputs
Temperature Compensated Range -4°F to 158°F
(-20°C to70°C)
Digital Inputs (2) Dry Contact Digital Inputs Storage Temperature -40°F to 257°F
(-40°C to 125°C)
Analog Outputs (4) 16-bit Analog Outputs
Field Selectable 0-10V & 4-20mA
Overvoltage and Overcurrent Protected
Enclosure Impact Resistant Polycarbonate
IP-66, NEMA 4X Rated
Fire Retardant UL 94 V-0
Analog Inputs (4) 12-bit Analog Inputs
Field Selectable 0-5V, 0-10V & 4-20mA
Dimensions 9.50" L x 5.69" W x 3.56" H
Terminal Blocks Pluggable Screw Type
16 to 24 AWG
Pressure Connections 1/4" OD Barbed
Brass Fittings
Accuracy +/- 0.25% F.S.
1.3. Safety
1.3.1. Electrical Connections
Before any electrical connections are made, ensure the POWER SWITCH is in the OFF position.
1.3.2. Static Electricity
The circuit board contains components which are susceptible to damage caused by static electrical
discharge. Should it be necessary to remove the circuit board from the enclosure, appropriate
precautions must first be taken to ensure that the operator and the circuit board are at the same electrical
potential.

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2. INSTALLATION
The MTSE is rated for either indoor or outdoor installation. When installed outdoors, do not install the
MTSE where the display screen is in direct sunlight. Avoid locations that are subject to high
vibration.
2.1. Product Installation Dimensions
Figure 2.1 – MTSE Enclosure

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2.2. Electrical Connections
Figure 2.2 – Terminal Block Description
J1 – Power In The MTSE can be powered with 24VAC or 24VDC. Allowable range is
20-28V. Pin 1 on the power supply terminal is the positive leg, however the
device is reverse polarity protected.
J2 – Future Sensor
Module Expansion
Additional remote MTSE units will be daisy-chained together to expand the
sensing capability to 40 sensing points. Currently not available.
J3 - Service
Communication
Communication pins for Factory programming. DO NOT CONNECT TO
THESE PINS.
J4 - Network
Communication
BACnet/Modbus communication pins.
J5 - Digital Inputs
and Digital Outputs
Not Used
J6 - Future Sensor
Module Expansion
Will provide power for additional MTSE sensor module units. Currently
not available.
J7 - 24VDC Output to
Temp. Transmitters
Supplies power for external temperature transmitter(s).
J8 - Analog Inputs Analog Inputs are tied to the temperature inputs and are scaled to the
minimum and maximum values set in Temperature Compensation &
Altitude Setup Menus.
J9 - Analog Outputs System 1 Analog Process Output is System 1 Total Summed Flow (Process
Value) of the sensors in System 1. This is scaled to the Operating Range set
in the Setup Menus where 0V or 4 mA is 0 flow and 10V or 20 mA is the
operating range.

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2.2.1. Common Electrical Connections
PCI recommends cable should be low capacitance, shielded 22 or 24 AWG twisted wire for all electrical
connections. When connecting multiple MTSE units on a common communication network, connect
shielding wires together and connect only one side of the shielding wire to earth ground at the building
automation system; do not connect both ends of the shield wire to earth ground.
Figure 2.3 – Typical 1 System connection to 24VAC/DC power, 4-20mA loop-powered
temperature transmitter, analog receiving device, or network communication.

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Figure 2.4 – Typical 3 System connection to 24VAC/DC power, 4-20mA loop-powered
temperature transmitters, analog receiving devices, or network communication.

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Figure 2.5 – Typical 3 System connection to 24VAC/DC power, 0-10V three-wire temperature
transmitters, analog receiving devices, or network communication.

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SENSOR 5
SENSOR 2
SENSOR 3
SENSOR 1
SF-1
SF-2
RF-1
RF-2
OA-1
2.3. Pneumatic Connections
The MTSE can measure a maximum of five airflow points in up to three systems and monitor up to four
ΔP points for a total of 9 sensing points. Two pneumatic plenum-rated signal tubing lines are required
to be connected to the MTSE for each sensing point, a high (or Total) and a low (or Static) connection.
Transducers in the MTSE are numbered sequentially; therefore, all connections for System 1 must be
made in order starting at Sensor 1, and then System 2 will start immediately after the last sensor in
System 1, and so on. See label inside cover of MTSE for sensor numbering. Shown below is an
example of an MTSE configured to measure two Supply Fans, two Return Fans, and a single Outside
Air opening.
Figure 2.6 – Typical pneumatic connections to piezometer rings
on fans and flow measurement station
SENSOR 4

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3. MTSE CONFIGURATIONS
The MTSE can be configured to measure airflow in up to 3 unique Systems and monitor up to 4
additional differential pressure (ΔP) points up to a total of 9 sensing points.
3.1. Display Overview
Shown below is a fully loaded MTSE monitoring (3) independent systems and (4) ΔPs.
Figure 3.1 – Normal Active Display showing 3 Systems and 4 ΔP measurement points.
1) System Number: Static text indicating the specific system number.
2) System Tagging: Custom entered tagging information for a more meaningful representation of
where measurement is taking place.
3) System Measurement: Live measurement of flow, velocity, or pressure for the System.
4) System Bar Graph: 0 to 100% graphical representation of System Measurement. 100% represents
Operating Range (Max).
5) Units: Field selectable units for the System Measurement.
6) Max Operating Range: Upper limit of allowed flow measurement value. System Bar graph and
System Analog Output are scaled to this value (Max = 10V or 20mA).
7) Temperature: System Temperature reading from Input source.
8) ΔP1 Tag: Customer field entered tagging information for individual, non-System measured
differential pressures.
9) ΔP Pressure Measurement: Live measurement of individual, non-System measured pressures.
10) ΔP Alarm Value: Field adjustable alarm setpoint value for ΔP Pressure Measurement. Can be high
or low triggered setpoint.
11) Setup Menus
12) Diagnostics Menus
13) K-Factor Menu Shortcut
14) Notification: Alarms and Warning Notifications
15) (?) Troubleshooting and Support Pages

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3.2. System Configurations
The MTSE can be custom configured to match most applications to measure, sum, and report up to 3
systems and 4 ΔP points for a total of up to 9 sensing points, as described below:
System
Each System is defined as having all the following unique properties:
1. Single or multiple transducers to measure a single point or multiple points of differential
pressure (i.e., fan array, duct, outside air, supply air, return air, or exhaust air).
a) Multiple points are summed if measuring flow.
b) Multiple points are averaged if measuring pressure or velocity.
2. A single entry for a transducer span, piezometer coefficient, and/or area factor for flow
calculations, i.e., all fans or airflow measurement stations must be exactly the same.
3. Temperature compensation and an Analog Input for a dedicated temperature sensor input.
4. Ability to correct for “System Effect” with user defined K-Factor.
5. Selectable operating range, engineering units, and dedicated analog output signal relative to
operating range.
6. Adjustable rolling-average sample filters.
7. High and Low alarms.
In addition to the (3) Systems there are also two other sensor measurement types with their own unique
properties which are described below.
Sub System (Commonly used as 2
nd
OA)
Many air handling unit manufacturers are offering dual outside air intakes for greater turndown
capability. The MTSE has the ability to measure a unique and independent 2
nd
OA intake. The 2
nd
OA
flow measurement is similar to a System as explained above, but with some key differences:
1. The 2
nd
OA is limited to a sensor quantity of (1).
2. The 2
nd
OA is summed into the last System, which may or may not be System 3.
3. The 2
nd
OA has most of its own unique parameters to be entered independently from the 1
st
OA, i.e., operating range, area factor, k-factor, and alarms, but also shares the following
settings with the last system.
i. Analog Output represents summed flow value
ii. Filter
iii. Temperature
iv. Units
Differential Pressure (ΔP) Points
ΔP’s are individual pressure measurements of interest. ΔP is made available on the MTSE to monitor
things such as total fan static, duct static pressure, or filter banks – to name a few examples.
ΔP’s will have no settings other than the following characteristics:
1. Same span for all ΔPs
2. Same engineering unit’s selection for all ΔPs (in pressure)
3. Individual tagging
4. Individual Alarm Trigger (High or Low)
5. Individual Alarm Value Setpoint

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3.2.1. Display Types
Depending on how your MTSE was ordered, the System quantity and ΔP quantity will change the
appearance of the Normal Active Display. Shown below are images of a single system and a two-
system configuration with no ΔP points of measurement. If ΔP points of measurement were ordered,
they will appear at the bottom of the display similar to what is shown and described in Figure 3.1.
Figure 3.2 – Normal Active Display for a single system and two systems.

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3.3. Display Features
3.3.1. Sensor Data Page Shortcut
Touch anywhere within the dashed red box on any of the Normal Active Display Types (whether it is
one system or up to three systems) and the user will be taken to the Sensor Data Page which displays the
flow rate and pressure for each individual sensor. See Section 4.3.1, Senor Data Page Section for more
details.
3.3.2. Keypad
In most setup menus, it is necessary to enter numeric values for the settings. These values will be
entered through a popup keypad, like the one shown below:
1. Parameter Information: Indicates what parameter is currently being entered
2. Max: Maximum allowable value to be entered for the given parameter
3. Min: Minimum allowable value to be entered for the given parameter
4. Units: Displays the units for the given parameter being entered
The acceptable range of values that can be entered for a given parameter are shown in the popup keypad
as Max and Min, Item 2 and 3 in the above image. After keying in the desired value press Enter to
return to the previous menu. If you press Back, you will be returned to the previous menu and no values
will have been saved or modified.

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4. MENU INFORMATION
4.1. Levels of Menus
The following is a tree view of the available menu pages on the bottom of the Normal Active Display
(see Figure 3.1). Pressing one of these menu buttons loads a separate menu as described below. An
icon with a back-arrow key is present in every menu page in the lower left corner of the screen. This
arrow key will take you back to the previous page.
NORMAL ACTIVE DISPLAY
SETUP MENU All job specific parameters and configuation
information is entered here (See Section 4.2)
DIAGNOSTICS
Sensor Data Page View flow rate and pressure data for each
individual sensor
System Overview View system and parameter configuration
information
Factory Defaults
Reset MTSE to Factory Default Settings
(Caution - resetting will remove parameters
set in the field)
Software Update If instructed by the Factory, software can be
upgraded by inserting new microSD (uSD) card
Screen Saver Mode Toggle On or Off Screen saver
Factory Password protected factory configuration menu
AutoZero Settings
(only available when AZ is ordered)
Initiate true AutoZero by pressing Run AutoZero
Enable/Disable AutoZero
AutoZero Interval
(in hours)
K-FACTOR Shortcut button to K-Factor Page in Setup Menu
NOTIFICATION Alarms and other warnings are visible here
? (INFORMATION) Company information and software revision are
visible here
Troubleshooting information is also visible with
the right arrow

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4.2. Setup Menus
In each of these menus, the parameters for Systems 1, 2, and 3 (description of a System can be found in
Section 3.2) will be configured. For example, if the user is in the Operating Range Menu the operating
range for Systems 1, 2 and 3 will be set in this page. Only Systems that have been configured in the
Factory menu will be displayed in the Setup Menus. Therefore, the pages in the Setup Menus may look
different from your setup if the sensor quantities were only entered for one or two systems at the
Factory.
All Setup Menu pages will write each System’s parameters to internal memory and also be backed up on
the microSD card. Some settings are not System specific and will be applied to all (3) Systems. These
settings are as follows:
a) Altitude and Altitude Units
b) Temperature Units
c) Communications
Each page has a question mark icon in the bottom right corner for Help Dialogue. Selecting this icon
will navigate to a help screen detailing the parameters and their functions of the previous page. Shown
below is the Setup Menu Main page.
The structure of the Setup Menu is shown in the flow chart below. A detailed explanation of each Setup
Menu item is described in the following subsections.

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SETUP MENUS
1. Operating Range
Enter Tagging Information for each system served
Toggle Select Area Type either Area or
Piezometer for each system
Enter Area or Piezometer Coefficient for each
system
Enter Operating Range for each system; Max
value that represents 100% of output
For Piezometer Coefficients that incorporate a
Standard Density term, toggle Std. Den. to Incld
2. K-Factor
Enter Balancer and MTSE flow measurements to
calculate a K-factor
Or enter K-factor directly
3. Analog I/O
Toggle select System Process Output 0-10V or 4-
20mA for each system
Toggle select System Temperature Input 0-5V, 0-
10V, or 4-20mA for each system
4. System Filters Enter total Number of Samples for rolling average
calculation for each system
Enter Sampling Interval Time (time in seconds
between samples) for rolling average calculation
5. Network
Communications
Toggle select between BACnet MS/TP Master or
Modbus RTU Slave
Toggle select available Baud Rate
Enter the MAC Address or Modbus ID Enter Instance Number (BACnet only)
6. Temperature and
Altitude
Toggle select where Temp Input will be obtained
between Fixed, Variable, or Network for each
system
If Fixed temp, enter Temp in last column. If
Variable, enter min and max Temp representing
min and max analog input for scaling
Toggle select between Altitude or Barometric
pressue for density correction
If Altitude selected, enter Elevation in feet; if
Barometric selected enter Pressure in in.Hg
Toggle select Termperaure Units between
degrees F or C
7. Alarms
Toggle Enable or Disable Alarms for each system
Enter Low and/or High Alarm value (in same
units) to be compared to a system's flow value
(0 is Off)
Enter Alarm Delay value; amount of time in
seconds before alarm is triggered
Enter Lockdown Percent (of Operating Range) for
each system; a zero value will be indicated when
below this percentage
Enter a Lockdown Delay value; amount of time in
seconds before a zero value is triggered
8. Units and Precision
Toggle select between Measurement Type: Std.
Flow, Act. Flow, Std. Velocity, Act. Velocity, or
Pressure for each system
Toggle select Units of measure corresponding to
the Measurement Type
Toggle select the Decimal Point location for
significant decimal figures for each system
9. ΔP Settings
(only if ΔP is ordered)
Enter ΔP Tagging information for each ΔP point
Toggle select Alarm trigger mode for each ΔP
point: Off, High Alarm, or Low Alarm Enter Alarm Setpoint value (in same units)
Toggle select ΔP Units of measurement

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4.2.1. Operating Range Menu
This menu allows the user to modify the fields shown and described below. This page may look
different from your setup if the sensor quantities were only entered for one or two systems.
Tagging Information
Selecting this box will provide a keypad popup to allow entry of unique System tagging information.
The tagging information will be displayed on the Normal Active Display and any other place indicating
System 1, System 2, or System 3 Tagging in the Setup Menus. Twelve characters can be entered as the
System tag.
Area Type
Allows user to toggle between flow calculation method for either Area or Piezometer ring equations.
Area should be selected if the MTSE is connected to a flow station or flow sensors with known cross-
sectional area. Piezometer should be selected if connected to a fan’s piezometer ring that has a
manufacturer-provided fan coefficient.
Area Factor
Allows user to enter or modify an existing Area Factor if Area is selected in Area Type. The cross-
sectional area of the flow station or duct is used to determine volumetric flow in the MTSE. If a new
Area Factor value is entered and causes the previous entered Operating Range value to exceed the new
minimum or maximum calculated full-scale range, the new area factor will be set, and operating range
will be the new full-scale maximum.
Piezometer Coefficient
Allows user to enter a manufacturer-specified fan coefficient when connected to a Piezometer Ring if
Piezometer is selected in Area Type. See Standard Density below for different ways manufacturers
present fan coefficients.

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Operating Range
Allows user to enter a value which will represent 100% of the process output signal also referred to as
Max on the Normal Active Display page. Touching this box will bring up the Keypad which identifies
the max and min values that can be entered. The max value is calculated at full scale transducer span,
and the min value is calculated using the low limit value entered by the Factory (Default = 5% of
maximum Vp value).
If an operating range value is entered outside of the allowable min/max range, the operating range will
be set to the max if the new operating range is higher and set to the minimum if the new operating range
is lower.
Standard Density
Some manufacturers include standard density in their fan coefficients, sometimes referred to as F factor.
The MTSE is able to remove this standard density term so that actual airflow measurement can be
calculated with density correction. When this field is set to Incld. in the MTSE, this means that standard
density is included in the manufacturer-supplied fan coefficient and therefore the MTSE removes
standard density for airflow calculations. This is not to be confused with correction to standard flow or
velocity; that selection is made in Units and Precision, see Section 4.2.8. This is solely for convenience
in the different ways fan manufacturers present their fan coefficients.
4.2.2. K-Factor
The K-Factor menu is used to make corrections to the display and output values to account for system
effects. The K-Factor menu can be used to correct the MTSE values from zero to entered Op. Range
value as compared to a reference flow value such as a balancer. This page shows a Current Live Value
as seen by the MTSE, and boxes for direct entry of a Balancer Measurement, MTSE Measurement, or
manual K-Factor entry for all three Systems. The K-Factor page is shown below.
The K-Factor calculation can be done internally by the MTSE itself. This is done by entering the MTSE
Measurement as seen on the display at the time of the balancer’s reading and the Balancer Measurement
in the boxes for the system needing correction. Pressing the Calculate K-Factor button will then
calculate the percent change and store the new K-Factor Value. For reference, a current live reading of
flow or velocity measurement are displayed on this page.

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Alternatively, if the user knows the percent change required to match the balancer’s reading, the K-
Factor can be entered directly by pressing the K-Factor box for that system and entering the desired
value in the popup keypad.
The K-Factor has a limit of 0.5 and 2.0. If values are required outside these limits troubleshooting
should be conducted to determine the device is configured correctly and that there are no problems with
installation, such as kinked or leaking signal tubing.
4.2.3. Analog I/O Configuration
In this menu the user can select the signal type for analog input and analog output for each system.
Selections are made through toggle buttons of available options on the touchscreen. Selections available
for the System Process Outputs are 0-10V and 4-20mA. Selections available for the System
Temperature Inputs are 0-5V, 0-10V, and 4-20mA. Default will be 0-10V for Analog Outputs and 4-
20mA for Analog Inputs. The Analog IO page is shown below.
4.2.4. System Filters
The System Filters menu allows the user to independently adjust the rolling average calculation by
setting the Number of Samples count and the Sampling Interval Time value in seconds for each System.
The Number of Samples count range is 1 to 99 sample counts. The adjustment range of the Sample
Interval Time is 1 to 65 seconds. The system filters effect both the display values, network
FLOW CORRECTION EXAMPLE
The balancer is consistently measuring a value of 9,500 CFM, which is 500 CFM less than the
10,000 CFM MTSE value at the time of the balancer measurement. The user would then
perform the following math function:
Balancer Measurement / MTSE Measurement = K-Factor, so
9,500 CFM / 10,000 CFM = 0.950
The user would enter 0.950 for the K-Factor Flow Correction. If the K-Factor Calculator is used
and the values entered into the boxes on this menu and the calculate button is pressed, the K-
Factor Flow Correction would automatically update the K Factor.

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communication values, and analog process output values for each system. Default is 30 samples and a
sample interval time of 1 second. Shown below is the System Filter Menus page.
For example, if the MTSE is measuring OA flow on a roof top unit and is experiencing large
fluctuations in readings caused by wind, slow the response time by increasing the number of samples
and increasing the interval time. Conversely, reduce the number of samples and/or interval time to make
the response time faster.
4.2.5. Network Communications
Modbus and BACnet communications are selectable in this menu page. Shown below is the Network
Communications page. The layout on the left is displayed if BACnet MS/TP is selected. The layout on
the right is displayed if Modbus is selected. See BACnet PIC statements and Modbus registers for
complete communication specifications in Attachment A and B, respectively.
Power must be cycled for network changes to take effect. Please turn off the MTSE at the power
switch (S1) for several seconds and then turn the unit back on after making changes to the below
network parameters.