Armstrong AIM ST6700 User manual

AIM®Model: ST6700 Armstrong Intelligent
Monitoring Installation, Operation and
Maintenance Manual
260-EN-V1.0
Please read and save
these instructions

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2
Table of Contents
Safety...................................................................................................................................... 3
Warnings and Cautions........................................................................................................ 4-5
Introduction ............................................................................................................................ 6
Theory of Operation ................................................................................................................ 7
Communication Overview.................................................................................................... 8-9
Communication Map – SAGE®Proxy in the Cloud ................................................................................ 8
Communication Map – On Site SAGE®Proxy...................................................................................... 9
ST6700 Overview.............................................................................................................. 10-11
Install Steam Trap Transmitter ............................................................................................. 12
Proper Transmitter Positioning......................................................................................... 13-14
Battery Installation and Replacement .................................................................................. 15
Maintenance and Service ..................................................................................................... 16
Dip Switch Mode Selection................................................................................................... 17
Product Specifications ...................................................................................................... 18-19
Product Certifications ....................................................................................................... 20-21
Product Labels...................................................................................................................... 22
Connecting the Armstrong ST6700 to the Honeywell WDM ............................................. 23-43
Connecting the Armstrong ST6700 to the Yokogawa YFGW410....................................... 44-113
LIMITED WARRANTY AND REMEDY..................................................................................... 114

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3
Safety
Icon Legend:
— DANGER! … Injury or death and property damage are imminent.
— WARNING! … Injury or death and property damage are possible.
— CAUTION! … Potential property damage, expensive repairs, and/or voiding the equipment
warranty may result.
— BURN HAZARD! … BURN HAZARD! Direct exposure to steam, hot water, or hot metal surfaces
can cause severe skin burns. Skin contact with 140°F (60°C) water or metal
for only five (5) seconds may cause a second-degree burn.
General Safety Guidelines:
1. Inappropriate use of this product (beyond typical, intended use) could cause damage to the product and
other property. It may also result in personal injury or, in extreme cases, death.
2. Only designated, qualied, and competent personnel should conduct installation, maintenance, and
service in accordance with the directions in this product instruction manual.
3. Installation shall comply with all applicable federal, state, and local, electrical and construction, regulatory
codes.
4. Improper installation, start-up, operation, maintenance, or service may void the product warranty.
5. When installing, commissioning or servicing this product:
a. ALWAYS select and wear appropriate personal protective equipment (PPE) before carrying out any
physical work at the job site. Appropriate PPE may include hard hats, safety glasses, gloves, boots
or shoes w/ non-slip soles and toe guards, and protective overalls.
b. ALWAYS scan the work area and take note of potential hazards before entering. Adjust your travel
path or work position to avoid hazards and personal injury.
c. ALWAYS observe designated safety procedures when working in hazardous locations (areas
containing explosive and combustible gases, vapors, and dusts) and conned spaces (locations
where the breathable air supply may be limited or variable or where entrapment could occur).
d. ALWAYS use appropriate lockout-tagout procedures to disconnect power sources and de-energize
machinery before conducting installation, service, and repair.
e. ALWAYS use great care and appropriate safety gear when working above ground level, especially
on ladders and platforms or in the presence of overhead, electrical power lines.
f. ALWAYS ensure that all “live” steam, water supply, and condensate return lines are isolated before
breaking or loosening any plumbing joints.
g. ALWAYS carefully relieve any residual internal pressure in the system or connecting pipe work
before breaking or loosening any plumbing joints.
h. ALWAYS allow hot parts to cool before commencing work to avoid the risk of skin burns.
Failure to comply with instructions following a safety icon may result in adverse consequences
including, property damage, personal injury, or, in extreme cases, death.

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4
Warnings and Cautions
Warning! Sparking Hazard
Risk of electrostatic sparking when installed
in explosive atmosphere, clean the outside
surface of the monitor with a damp cloth
before servicing.
Warning! Explosion Hazard
Please review product design certications
when installing transmitter in explosive
or potentially explosive atmospheres.
This transmitter must be installed in
accordance with appropriate local, national
and international standards, codes and
practices.
Notice: Compliance
This transmitter complies with electromagnetic
emissions and immunity requirements.
Operation is subject to the following condition:
• This transmitter may not cause harmful
interference.
• This transmitter must accept any interference
received, including interference that may cause
undesired operations.
Notice: Usage
This manual should be used by experienced
personnel as a guide to the installation of the
Model ST6700 Armstrong Intelligent Monitoring™
System. Selection or installation of equipment
should always be accompanied by competent
technical assistance. You are encouraged to
contact Armstrong International or its local sales
representative for additional information.
Notice: Maintenance (Battery)
Authorized maintenance to the transmitter(s)
is limited to replacing the battery. All other
maintenance should be performed only by
Armstrong Smart Services Group. Do not attempt
any other maintenance aside from changing the
battery and contact Armstrong Smart Services
Group for repair:
[phone]
Armstrong International, Inc.
816 Maple St.
Three Rivers, MI 49093
Caution: Environment
It is the responsibility of the end user to verify
that the process and environment that the
transmitter is placed in is free of hazards that
will damage the transmitter. Proper conditions
are outlined in this document and should be
followed to ensure the transmitter does not
sustain damage.
Warning! Maintenance Safety
Use industrial standard safety protocol
when installing, removing, or performing
authorized maintenance procedures
on Armstrong Intelligent Monitoring™
transmitter on, or near, process equipment
(This includes, but is not limited to,
steam traps, relief valves, hot pipes, and
equipment).
Caution: Lithium Batteries and Shipping
Armstrong Intelligent Monitoring™
products use lithium batteries as power
source. Lithium batteries are regulated
in transportation by the U.S. Department
of Transportation and are also covered
by IATA (International Air Transportation
Association), ICAO (International Civil
Aviation Organization), and ADR (2009
European agreement concerning
International Carriage of Dangerous
Goods). Conrm transmitters are packaged
and shipped in accordance with all shipping
regulations.
Caution: Damaged Transmitter
If the transmitter becomes damaged,
immediately remove from service. Do not
attempt repair or maintenance. Contact
Armstrong Smart Services Group at:
[phone]
Armstrong International, Inc.
816 Maple St.
Three Rivers, MI 49093

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5
Warnings and Cautions – continued
Notice: Do not exceed 360° of rotation. Rotating the antenna more than 360° can cause the
antenna to become disconnected internally.
Notice: Do not lay the monitor flat on a table or bench without the front cover. Contact with a
hard surface can cause damage to internal components.
360° (1 rotation) Maximum

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6
Introduction
Armstrong Intelligent Monitoring Model ST6700 is wireless monitoring technology that efciently monitors
and evaluates steam trap operation. The AIM® ST6700 identies the conditions of a steam trap to determine
signicant problems that could put your operation at risk. The AIM®ST6700 can accurately detect potential
issues such as plugged and blow-through steam traps, which can cause a range of issues including, but not
limited to failed equipment, loss of product, and safety concerns. Immediate failure notication from the AIM®
ST6700 helps identify the root cause while minimizing production losses and reducing energy consumption.
Using nonintrusive technology combined with ISA100, the AIM®ST6700 is the ideal solution for any temporary
or permanent 24/7 steam trap monitoring.

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7
Theory of Operation
The Armstrong ST6700 AIM®transmitter is designed to continuously monitor any type of steam trap. It utilizes
a combination of hardware and integrated algorithms to accurately detect steam trap conditions. The hardware
consists of an acoustic sensor (Piezo) and a temperature sensor (Thermistor). The integrated algorithms are
patented, proprietary code designed by Armstrong to provide actual steam trap conditions based on inputs from
the hardware. When applied to a steam trap, the device wirelessly transmits the current condition of the steam
trap.
The ST6700 has built-in algorithms, which perform a series of diagnostic checks in order to determine the
condition of the steam trap.
The rst stage validates the surface temperature of the steam line and compares it with the congurable
temperature set point. The temperature sensor located in the stem of the monitor detects the skin temperature at
the inlet of the steam trap. The Stem Temperature is compared to the Temperature Set Point.
If Stem Temperature is less than the Temperature Set Point, then the steam trap is cold/plugged. This could be
due to a failed plugged steam trap, or there is no steam distributed to the steam trap. If the steam trap is cold/
plugged, the transmitter will return a Trap Condition value 2. A Trap Condition of “2” means the steam trap is in a
cold/plugged condition.
If the Stem Temperature is greater than the Temperature Set Point, the monitor assumes there is steam being
distributed to the trap causing the device to go into the second stage of diagnostics.
In the second stage, the ST6700 listens to the operation of the trap to determine if there is steam loss through
the steam trap’s internal orice. The Piezo sensor has been tuned to detect a trap passing live steam while
ltering out background noise. This acoustic signature is analyzed by Armstrong’s patented algorithm to
determine if the steam trap is in a blow-thru condition (i.e. - losing live steam).
If the algorithm determines that the trap is in normal operation, then the ST6700 will publish a Trap Condition
value of 1. A Trap Condition value of “1” means the trap is in a good condition.
If the algorithm determines that the trap is losing live steam, the ST6700 will publish a Trap Condition value of 3.
A Trap Condition value of “3” means the trap is in a blow-thru condition.
Armstrong ST6700 Measurements
Honeywell Yokogawa Nivis/Nexcom
Trap Condition Channel_9 Piezo Status Channel_9
Stem Temperature Channel_10 Temperature Channel_10
Temperature Set Point Channel_11 Temperature Setpoint Channel_11
Trap Condition Definition
1 OK Steam Trap
2 Cold/Plugged Steam Trap
3 Blow Through Steam Trap

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8
Communication Overview
Communication Map – SAGE®Proxy in the Cloud
Armstrong offers a variety of tools to help manage steam trap populations. A primary tool offered by Armstrong
is SAGE®. SAGE®is an online trap management tool that lets you keep all you trap information in one place.
The data in SAGE®is accessible through a standard computer with a web browser, or it can be accessed with a
mobile device like a phone or tablet.
The AIM®system is compatible with the SAGE®system and the data it collects can be sent to SAGE®for real
time reporting. Note: SAGE®is not required for your AIM®system to function properly. It is merely an option to
take trap management to the next level. If you are interested in learning more about SAGE®go to https://www.
armstronginternational.com/sage. Below are communication options for setting up SAGE®to communicate with
the AIM®system.

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9
Communication Map – On Site SAGE®Proxy
Communication Overview - continued

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10
ST6700 Overview
Dipswitches
Provisioning
Button
IR Sensors
Power Switch
Antenna
Stem
Pressure
Equalization
Valve
Stem
Back Cap
(Battery)
Pressure
Equalization
Valve
Antenna
Front
Cap
Front Cap (Battery)

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11
ST6700 Overview – continued
Antenna Cable
Antenna
Battery Plug
Stem
Battery Alignment
Holes
Battery
Battery Alighment Pins (3)
and Alignment
Battery Plug
Pressure
Equilizatino Valve
Back Cap (Battery)

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12
Install Steam Trap Transmitter
Maximum 6 in.
(15 cm)
Carefully thread steam
trap transmitter stem
into Waveguide.
Note: Do not cross-
thread stem.
Torque transmitter to
45 ft-lb (61 N-m).
Tighten jam nut to 45
ft-lb (61 N-m).
Position Waveguide no
greater than 6 in (15 cm)
from the steam trap inlet
2Install Waveguide:
• Assemble Waveguide around pipe.
• Torque Waveguide bolts:
For 5/16 in - 18 size bolts,
11.5 ft-lb (15.6 N-m).
For 3/8 in - 16 size bolts,
20.6 ft-lb (27.9 N-m).
Install insulation jacket
on transmitter(s) where
accelerated heat loss
may occur.
Consult Factory if
needed.
Conrm caps are
tightened to 25 ft-lb
(34 N-m).
Cup
Jam
Nut
BURN HAZARD! Pipe and fittings may be hot.
To avoid contact burns, shut off the steam
flow to the installation point and allow piping
to cool before installing the transmitter wave
guide. Otherwise, use appropriate PPE and
extreme care to help avoid serious burns.
4
Refer to page 13-
14 to determine the
proper installation
orientation.
Note: If heat sink
required, make sure
cup side of heat sink
is up.
Note: Thread heat sink
to the top.
5
6
7
8
1
3

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13
Proper Transmitter Positioning
Pipe Temperature 0-160 ºC / 32-320 ºF
Corresponding Saturated
Steam Pressure 5.2 barg/75psig
Pipe Temperature 160-195 ºC / 320-383 ºF
Corresponding Saturated
Steam Pressure 5.2-13 barg / 75-188 psig
Pipe application temperature determines the
correct transmitter mounting configuration.
The transmitter may have angular mounting
restrictions on horizontally running pipe.
There are no angular mounting restrictions on
vertical piping.

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14
Proper Transmitter Positioning – continued
Pipe Temperature 195-255 °C / 383-491 °F
Corresponding Saturated
Steam Pressure 13- 42.2 barg / 188-612 psig
Pipe Temperature 255-440 °C / 491-824 °F
Corresponding Saturated
Steam Pressure 42.2-* barg / 612-* psig
Note: A single heat sink is required.
*Steam is superheated at this temperature.
Note: Dual heat sinks and a stem extension are required.

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15
Battery Installation and Replacement
Recommendation: When initially installing or
replacing batteries, rst install or replace the
battery in the monitor that is locate closest
to the access point (or gateway, as the case
may be). Then install or replace the battery
in the next closest monitor to the access
point. Continue this process of working
outward from the access point. This battery
replacement technique will help the monitors
in the system to learn the existence of
network neighbors more quickly.
Rules and Regulations:
This transmitter is designed for live
maintenance in hazardous environments.
All maintenance should be performed by
experienced personnel in accordance with
local, national, and international standards
and codes.
Warning: Sparking Hazard
If replacing a battery in the eld,
especially in areas where explosive
or potentially explosive atmospheres
may exist, wipe down the exterior of
the monitor enclosure and antenna
with a damp cloth to remove dust and
debris to help prevent static electricity
discharge.
Inspect O-ring:
• Replace if worn or damaged.
• Lubricate if necessary.
Remove tall
housing cap.
If the monitor is new or has been out of
service for awhile, conrm that the sliding
DIP switch, located on the main printed
circuit board (PCB), is set in the “ON”
position. (Note: The main PCB can only be
viewed from the opposite side of the monitor
w/ the short housing cap removed.)
Reset the Battery Life (when Installing a Replacement
Battery ONLY)
• Remove short cover
• Press and hold the provisioning button for 10 - 15
seconds to reset the battery life
• When resetting battery in the gateway, see gateway
specic battery reset instructions in the Gateway
Appendix
Reinstall all housing caps – torque 25
ft-lb (34 N-m).
Note: Properly tighten caps to avoid
water leakage into housing. Water
leakage will cause electronic failure.
Improper tightening of the caps will
void the warranty.
Orient red arrow on battery label to point towards red slot in
enclosure. Insert battery pack into housing until it makes a rm
connection with the housing.
Note: Use only Armstrong Model D64519 lithium metal battery
pack. Use caution when installing battery not to damage or
bend any components.
2
1
3
4
5
6

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16
On / Off
Provisioning
Button
10 s hold = Battery Reset
30 s hold = Clear Provisioning
5x = Initiate Publishing
Maintenance and Service
ON/OFF Switch Functions
The power switch is a small white toggle on the left side of the
internal board. It controls the unit’s power and must be toggled
to “on” or up for the unit to operate and function. Shown in “off”
position below.
Provisioning Button
The provisioning button is located on the bottom of the board
inside the ST6700. It has multiple functions based on how
many times it is pressed or held. The button is highlighted to
the right.
• Resetting Battery Life
One function of the provisioning button is resetting
battery life after changing the battery. Press and hold the
provisioning button for 10-15 seconds and battery life will
be reset in the unit.
• Resetting Provisioning
To clear all provisioning, press and hold the provisioning
button for 30-35 seconds.
• Initiate Publishing
To allow broadcasting on all channels during setup
press and release the provisioning button 5 times. It is
important not to press and release it too fast or too slow.
The procedure should be completed in a timeframe of
approximately 2-4 seconds.

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17
Switch Device Operation Mode
1 2 Code 1.0C and Older 1.13 or Newer
Switch
Position
Up Up Normal Operation Normal Operation / Units - Imperial
Up Down Burst Burst / Units - Imperial
Down Up Burst Normal Operation / Units - Metric
Down Down Test (Factory use only) Test (Factory use only)
Dipswitches
Dip Switch Mode Selection
The ST6700 performs a series of diagnostic checks to determine the condition of the steam trap. The position of
the dip switches pictured above determine how often the standard diagnostics are performed.
1. Normal Operation Mode – Use this mode in the eld to maximize battery life while maintaining accuracy.
Normal Operation mode is programmed to sample the trap condition every 60 minutes.
Burst Mode – Samples the trap condition at the same rate as the Update Rate (See device details
for Update Rate values). Notice: Using the device in this mode will cause decreased battery life and in
some situations decreased steam trap testing accuracy.
Test Mode – Samples the trap condition every 2 seconds. Notice: Test Mode is used only in the factory
for functionality testing and should never be used in the eld. Test mode will cause signicantly reduced
battery life and decreased trap testing accuracy.

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18
Product Specifications
Weight 1.9 Kg (4.1 lbs)
Ingress Protection Rating IP66
Output Signal ISA 100.00a 2.4 GHz
Operating Temperature -40 °C to 70 °C (-40 °F to 158 °F)
Materials of Construction
Housing - Aluminum (<0.4% copper)
Paint - Powder Coat
O-ring - EPDM
Stem - 304 Stainless Steel
Antenna - Nylon 6,6
Nameplate - 316 Stainless Steel
Battery
Type - Encapsulated, Lithium Metal Cells
Battery Life - 3 Years*
Part Number - D64519
Capacity - 19 Ah
Voltage - 7.2 V
Update Rate
Honeywell - Configurable (Default 60 seconds)
Yokogawa - Fixed (60 seconds)
Nivis/Nexcom - Configurable (Default 300 seconds)
Radio Power 15 (adjustable 1-15)
Default Role
Honeywell - Non-routing
Yokogawa - Non-routing
Nivis/Nexcom - Routing
Variables impacting battery life include:
• Initialization connects and re-connects to the system (i.e., system shutdowns, power outages,
maintenance disconnect, etc.)
• Communications transmission retries due to poor RF connectivity
• Device radio power level
• Data transmission update rate frequency
• System requested polling of dynamic parameters (i.e., radio diagnostics, counters, etc.)
• System activity rate related to operator conguration changes or manual device parameter data requests
• Routing of information from other downstream eld devices
• Environmental effects such as operating temperature and humidity
NOTE: Extreme temperatures are detrimental to battery life and can cause as much as a 30% reduction
in life for units at -30 ºC (-22 º F) or at 70 ºC (158 ºF) ambient temperatures, compared to those at a
nominal 25 ºC (77 ºF). Installers should protect transmitters from very hot or very cold processes and
consider shading them from direct sunlight.
• Battery construction quality, born-on date/shelf time, and storage temperature
ST6700 Specifications
* Assumptions of typical operating conditions (see variables impacting battery life)
• Non-routing device with good signal status with access point
• 5-minute Update Rate
• 21 ºC (70 °F) Ambient Temperature
• 10 years is shelf life of lithium cell
• +/- 10% capacity for temperature and network variation

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19
Performance
Specifications
Operating Temperature -40 °C to 70 °C (-40 °F to 158 °F)
Humidity Limits - 0-100% non-condensing
Output voltage - 7.2 VDC
Capacity - 19 Ah
Physical Specifications
Weight - 0.32 kg (0.71 lb)
Type - dry cell, lithium-thionyl chloride (LI-SOCL2) with integrated power control circuitry
Material - Electrical-grade epoxy resin polymer compound
Storage Information Storage Life - 10 years (1)
Storage Temperature Limits - 5 °C to 30 °C (41 °F to 86 °F)
Approved Devices AIM®ST6700
Design Certifications for
Ordinary (non-hazardous)
and Hazardous Locations:
The Armstrong battery pack P/N D64519 is designed and approved only for use within the
AIM-ISA Model ST6700 steam trap monitor. The ST6700 steam trap monitor carries limited
design certifications for specific hazardous locations under UL (US and Canada), ATEX,
and IECEx (refer to the instruction manual 261-EN for a complete listing of the standards
and conditions to which the monitor design conforms.) By extension, the ST6700 steam
trap monitor is also suitable for use in most ordinary locations wherein the environment is
satisfactory, i.e. the operating temperature falls within the limits listed above and moisture
exposure does not exceed the monitor enclosure rating of IP66.
Part Number: D64519
Notes: Estimate based on date of manufacturing and storage following recommended conditions
Battery Specifications
Product Specifications - continued

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20
Product Certifications
Underwriters Laboratories (UL) Approval
United States Intrinsic Safe for Class I/II/III, Division 1, Groups A, B, C, D, E, F, and G
Zone 0, for Class I, Group IIC
Temperature Code: T4 [275ºF (135ºC)]
Ambient Temperature Range: Tamb -40ºC to 70ºC (-40ºF to 158ºF)
For use with Armstrong model D64519 lithium ion battery only
Standards used for Certification:
UL 913, Ed. 8; UL 60079-0, Ed. 6; UL 60079-11, Ed. 6
Canada Intrinsic Safe for Class I/II/III, Division 1, Groups A, B, C, D, E, F, and G
Zone 0, for Class I, Group IIC
Temperature Code: T4 [275ºF (135ºC)]
Ambient Temperature Range: Tamb-40ºC to 70ºC (-40ºF to 158ºF)
For use with Armstrong model D64519 lithium ion battery only
Standards used for Certification:
CAN/CSA C22.2 No. 157-92, Ed. 3; CAN/CSA C22.2 No. 60079-0:11, Issue date: 2011/12/01;
CAN/CSA C22.2 No. 60079-11:14, Ed. 2
European
Certification
ATEX Intrinsic Safety
Zone 0, Group IIC
Temperature Code: T4 [275ºF (135ºC)]
Ambient Temperature Range: Tamb -40ºC to 70ºC (-40ºF to 158ºF)
For use with Armstrong model D64519 lithium ion battery only
Standards used for Certification:
CENELEC EN60079-0, Issue date: 2013/01/01; CENELEC EN60079-11, Issue date: 2012/01/01;
CENELEC EN60079-26, Issue date: 2007/03/01
IECEx
Certification
Equipment Protection Level: Ga
Zone 0, Group IIC
Temperature Code: T4 [275ºF (135ºC)]
Ambient Temperature Range: Tamb -40ºC to 70ºC (-40ºF to 158ºF)
For use with Armstrong model D64519 lithium ion battery only
Standards used for Certification:
IEC 60079-0, Ed. 6; IEC 60079-11, Ed. 6; IEC 60079-26, Ed. 2
CE Mark -
EU Directives Test Standards
ATEX 2014/34/EU
CENELEC EN60079-0 (2013/01/01)
CENELEC EN60079-11 (2012/01/01)
CENELEC EN60079-26 (2007/03/01)
EMC 2004/108/EC IEC 61326-1 2012
LVD 2006/95/EC IEC 60950-1 2015 (2nd Ed.) +
AM 1: 2009 + AM 2: 2013
R & TTE 1999/5/EC
(ETSI) EN 300 328 V1.9.1 (2015-02)
(ETSI) EN 301 489-1 V1.9.2 (2011-09)
(ETSI) EN 301 489-17 V2.2.1 (2012-09)
EMC Compliance
FCC Part 15 Subpart B, Class A; EN55011 Group 1, Class A; EN61000-6.2 Immunity.