Armstrong SteamEye Gateway
Bulletin 183-A:Balancing Valves.qxd 3/9/2009 10:58 AM Page 1
Armstrong SteamEye Gateway M
3000/4000 Series
Steam Trap Failure Alarms
Figure 1
Armstrong SteamEye Gateway M
The Gateway M has several alarm options. The device can
communicate with an email server to page or email up to
three (3) people when critically monitored equipment fails in
either the open or closed position. The other alarm option
is provided by external alarm relay contacts. This options
allows for connection to a visual or audio alarm.
Product Overview
The Armstrong Gateway M runs on a Linux based Cherokee
SSL web server which collects data from up to 2000
wireless SteamEye transmitters. The data is stored using a
flash memory drive. The unit requires 120v AC power
supply, is self contained, has no moving parts and is
designed to operate in industrial environments. Data is
accessed using a standard web browser with password
authorization to the device.
The SteamEye Gateway can be integrated with Armstrong’s
SteamStar™, a web based steam trap measurement
platform, as part of a comprehensive Best Practices Steam
Trap Management Solution.
Integration and Security
The Gateway M can be configured on a LAN and will use
the data interface shown in Figure 2. The unit has a built in
security certificate signed by Armstrong but can accept a
user customized certificate. HTTP, Telenet and FTP ports
can be turned off for added device security; however, if
SteamStar communication is desired an outbound port must
be allowed. The unit can also be integrated with BAS or
DCS systems using a built-in ModBus RTU table.
Figure 2
Allowing Armstrong remote access to the web server is
recommended but not mandatory. Remote access is used
for administration purposes only and Armstrong is willing to
sign a confidentiality agreement when necessary. If remote
access is allowed, an internet accessible TCP/IP address or
a VPN assigned to the SteamEye device is required.
Product Specifications
Armstrong SteamEye Gateway M
Operating System
Linux, AMD low power LX800 500MHz
fanless processor, 128MB RAM, 2GB
flash memory
Ethernet Interface
1 X 10/100mbps
Network Protocols
IPv4, IPv6, SMTP, FTP, Telnet,
80 standard (redirected to 443)
Inbound TCP/IP ports:
23 (Telnet)
Embedded web server
21 (FTP)
Remote configuration
443 (HTTPS configurable)
Remote software upgrades
22 (SSH configurable)
Outbound TCP/IP ports:
For e-mail/pager/text
message notification
For SteamStar updates
25 (send mail to SMTP server)
80 (HTTP)
RF Receiver
1 Internal RF Receiver
1 External Receiver Port
Dimensions (H x W x D)
2-3/4” x 6-17/32” x 4-15/32”
(70 mm x 166 mm x 114 mm)
3.5 lb (1.6 kg)
Operating Temperature
32°-140°F (0°-60°C)
Operating Humidity
BAS/DCS Connection
External Alarm Contacts
10% - 70% Relative humidity,
RS-232 or RS-485 (configurable)
ModBus RTU slave
Input voltage to relay 12-50 VDC
Normal Switch Capacity 1.5A @ 30 VDC
All dimensions and weights are approximate. Use certified print for exact dimensions. Design and materials are subject to change without notice.
Armstrong Smart Services Group, 816 Maple St., Three Rivers, MI 49093 – USA Phone: (269) 273-1415 Fax: (269) 278-6555
Bulletin 183-A
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