Delta EnviroStation EMS2000, EnviroStation EMS2000000 User Manual
The power behind competitiveness
Delta InfraSuite EMS
Environmental Management System
EnviroStation
User Manual
www.deltapowersolutions.com
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This manual contains important instructions and warnings that you should follow
during the installation, operation, storage and maintenance of this product.
Failure to heed these instructions and warnings will void the warranty.
Copyright © 2013 by Delta Electronics Inc. All Rights Reserved. All rights of this User
Manual (“Manual”), including but not limited to the contents, information, and figures
are solely owned and reserved by Delta Electronics Inc. (“Delta”). The Manual can
only be applied to the operation or the use of this product. Any disposition,
duplication, dissemination, reproduction, modification, translation, extraction, or
usage of this Manual in whole or in part is prohibited without the prior written
permission of Delta. Given that Delta will continuously improve and develop the
product, changes may be made to the information in this Manual at any time without
obligation to notify any person of such revision or changes. Delta will make all
possible efforts to secure the accuracy and the integrity of this Manual. Delta
disclaims any kinds or forms of warranty, guarantee, or undertaking, either expressly
or implicitly, including but not limited to the completeness, faultlessness, accuracy,
non-infringement, merchantability or fitness for a particular purpose of the Manual.
InfraSuite EnviroStation I
Table of Contents
Table of Contents
CHAPTER1:IMPORTANTSAFETYINSTRUCTIONS .............................................. 1
1.1. SAFETYWARNINGS...................................................................................... 1
1.2. USAGEWARNINGS ...................................................................................... 1
1.3. STAN D ARDCOMPLIANCE ............................................................................... 2
CHAPTER2:INTRODUCTION............................................................................. 3
2.1. PRODUCTDESCRIPTION ................................................................................ 3
2.2. FEATURES...................................................................................................3
2.3. PACKAGECONTENTS ....................................................................................5
2.4. INTERFACE..................................................................................................7
CHAPTER3:INSTALLATION ............................................................................. 10
3.1. RACK‐MOUNTINSTALLATION........................................................................ 10
3.2. RS485.................................................................................................... 11
3.3. ENVIROPROBE .......................................................................................... 12
3.4. DIGITALINPUT .......................................................................................... 13
3.5. SENSORHUB ...........................................................................................14
3.6. ANALOGINPUT .........................................................................................16
3.7. RELAYOUTPUT ......................................................................................... 17
3.8. ALARMBEACON........................................................................................ 17
3.9. PDUINSTALLATION....................................................................................18
CHAPTER4:SYSTEMCONFIGURATIONS .......................................................... 20
4.1. CONFIGURINGVIAINSIGHTPOWERSNMPIPV6FORENVIROSTATI O NWEB .......... 20
4.2. CONFIGURINGWITHEZSETTING ................................................................... 22
4.3. CONFIGURINGVIATELNET ........................................................................... 24
4.4. CONFIGURINGTHROUGHCOMPORT............................................................ 24
4.5. CONFIGURINGVIATEXTMODE ....................................................................26
CHAPTER5:INSIGHTPOWERSNMPIPV6FORENVIROSTATIONWEB ................ 33
II
5.1 MONITOR.................................................................................................... 34
5.1.1. Information .......................................................................................34
Status ............................................................................................................34
DeltaBus .......................................................................................................35
RS485 ............................................................................................................35
PDU ...............................................................................................................36
IPMI...............................................................................................................36
5.1.2. History............................................................................................... 37
EventLog.......................................................................................................37
EnergyLog..................................................................................................... 38
EnergyCompare............................................................................................39
DataLog ........................................................................................................39
Configuration ................................................................................................40
5.1.3. About ................................................................................................41
Information ...................................................................................................41
5.2 DEVICE........................................................................................................42
5.2.1. Management .................................................................................... 42
SensorHUB ...................................................................................................42
DigitalInput...................................................................................................43
AnalogInput..................................................................................................44
RelayOutput .................................................................................................45
DeltaBus .......................................................................................................45
RS485 ............................................................................................................48
Protocol.........................................................................................................49
PDU ...............................................................................................................50
IPMIDevice ...................................................................................................50
IPMITemplate ...............................................................................................52
Reaction ........................................................................................................54
InfraSuite EnviroStation III
Table of Contents
5.3 SYSTEM....................................................................................................... 55
5.3.1. Administration...................................................................................55
UserManager ...............................................................................................55
TCP/IP ...........................................................................................................56
Web...............................................................................................................57
Console .........................................................................................................59
FTP ................................................................................................................60
TimeServer...................................................................................................60
Syslog ............................................................................................................61
BatchConfiguration ......................................................................................62
Upgrade.........................................................................................................63
5.3.2. Notification ....................................................................................... 64
SNMPAccess.................................................................................................64
SNMPv3USM ................................................................................................65
SNMPTrap.....................................................................................................65
MailServer....................................................................................................66
CHAPTER6:SNMPDEVICEFIRMWAREUPGRADE............................................ 68
CHAPTER7:TROUBLESHOOTING .................................................................... 71
APPENDIXA:SPECIFICATIONS......................................................................... 78
APPENDIXB:WARRANTY ............................................................................... 79
IV
Chapter 1 : Important Safety Instructions
1.1. Safety Warnings
Before installation,
Ensure that the power cord plug and socket are in good condition.
Make sure that the power source to the EnviroStation is rated between 100-240V
and is well grounded.
1.2. Usage Warnings
This unit is designed for indoor use only. Install it in a well-controlled environment
away from excessive moisture, temperature extremes, conductive contaminants,
dust or direct sunlight.
Do not place or use this unit in the presence of flammable substances.
Do not attempt to disassemble the unit which contains potentially hazardous
voltages. Only trained technicians are allowed to perform this action.
Do not attempt to perform any internal modifications on the unit.
Do not attempt to fix/ replace internal components. When repair is needed, refer
all servicing to the nearest Delta service center or authorized distributor.
Do not allow any objects or liquids of any kind to penetrate the unit.
Always follow this User Manual to install and operate this unit.
Disconnect all external devices before moving this unit.
Do not play the included CD-ROM on a conventional CD player. This could
generate loud noise at a level that could result in permanent hearing loss.
InfraSuite EnviroStation 1
Chapter 1 : Important Safety Instructions
1.3. Standard Compliance
Network
IPv6 Phase-2
Application ID: TW-2-C-20100323-000158
CE
EMI
EN55022 (CISPR 22) Class A
EMS
EN55024
IEC 61000-4-2 (ESD Test)
IEC 61000-4-3 (RS Test)
IEC 61000-4-4 (EFT Test)
IEC 61000-4-6 (CS Test)
IEC 61000-4-5 (Surge Test)
Level 3 @ Air 8 KV/ Contact 4 KV
Level 2 @ 3 V/m
Level 2 @ 5 KHz/ 1KV
Level 2 @ 1.2*50/ 8*20 us
L-N 2 ohm 1 KV
L-PE/ N-PE/ L+N-PE 12 ohm 2 KV
2
Chapter 2 : Introduction
2.1. Product Description
The EnviroStation monitors and controls environmental conditions through
peripheral devices to ensure that your equipment is protected from critical conditions
such as high temperature, humidity or water leakage. This rack-mountable product
works seamlessly with temperature and humidity sensor EnviroProbes (optional)
and other environment monitoring devices.
2.2. Features
Working with multiple EnviroProbes
The EnviroProbes are designed to work with the EnviroStation. There are three
types of EnviroProbes, (1) EnviroProbe 1000 (EMS1000), (2) EnviroProbe 1100
(EMS1100) and (3) EnviroProbe 1200 (EMS1200). The EnviroProbe (EMS1000)
has one temperature/ humidity sensor and four digital inputs. The EnviroProbe
1100 (EMS1100) has four digital outputs, and the EnviroProbe 1200 (EMS1200)
has two analog inputs, one analog output and one water-leakage detection. To
extend the monitoring and detection scope, up to 10 of EMS1000s or 4 of
EMS1100s or 5 of EMS1200s can be cascaded with a maximum distance of 400
meters.
Smart monitoring and event notification
With peripheral devices, the EnviroStation monitors environment variables and
informs you of event occurrences based on severity that may call for your
administrative attention. It also takes necessary actions according to your
configuration.
Event and data log keeping
Offers extensive records of system and environment status.
Handy configuration tool EzSetting
Compatible with Windows systems, EzSetting allows you quick and effortless
setup via a user-friendly interface.
InfraSuite EnviroStation 3
Chapter 2 : Introduction
Network connection through RJ45 connector
Direct network connection through an RJ45 cable offers immediate configuration
via your local network environment with comprehensive management
capabilities networking security.
Compatibility with SNMP (Simple Network Management Protocol), HTTP
and HTTPS
Works with universal protocols including SNMP, HTTP and HTTPS.
Direct COM Port connection
Lets you manage your EnviroStation even when a network connection is not
available.
Working with up to 16 PDU devices
EnviroStation monitors each PDU’s load, frequency, watt, accumulated power
consumption, etc.
IPMI supported
Supports IPMI version 1.5 & version 2.0.
Flexible reaction setup
You can create your own reaction rules. Based on the input conditions of Digital
Input, Analog Input, Sensor HUB, PDU, EnviroProbe or RS485, the
EnviroStation controls the actions of output devices such as Digital Output,
EnviroProbe or RS485.
Other features and supported protocols include:
User notification via SNMP Traps
Simple Network Time Protocol
Simple Mail Transfer Protocol
Remote event log management through syslog
Network Time Protocol
Configuration via Telnet/ text mode
BOOTP/ DHCP
IPv4 and IPv6
HTTPS, SSH, SFTP and SNMPv3 security protocols
RADIUS (Remote Authentication Dial In User Service) login
4
Signal Flow
The following figure explains how EnviroStation monitors and processes signals.
2.3. Package Contents
Please carefully verify EnviroStation and the included accessories. Contact your
dealer if any item is missing or damaged. Should you return the items for any reason,
ensure that they are carefully repacked using the original packing materials that
came with the unit.
InfraSuite EnviroStation 5
Chapter 2 : Introduction
No. Item Quantity
❶
EnviroStation 1 PC
❷
Manual and software CD 1 PC
Sensor HUB adapter 8 PCS
❸
Terminal block (for Sensor HUB adapter) 8 PCS
❹
Alarm Beacon 1 PC
❺
Bracket ear (including cage nuts and screws) 1 SET
❻
Door contact sensor 1 SET
❼
AC power cord 1 PC
❽
RJ45 to DB9 cable 1 PC
❾
Standard CAT5 cable 1 PC
❿
Extension cable (for leakage sensor) 1 PC
You will need the following items:
Peripheral devices such as temperature/ humidity/ water leakage sensors and
EnviroProbes are not included in the package. Also, additional Standard CAT5
cables used to cascade EnviroProbes are not included. You will need to obtain these
items separately.
6
2.4. Interface
The LED indicators and connectors on the front and rear panel are shown as follows.
For their functions and indications, please refer to the table below.
Front panel:
Rear panel:
Item Description
No.
❶
Power
LED
❷
Fault
LED
❸
Relay
Output
LEDs
❹
Analog
Input LEDs
❺
Digital Input
LEDs
InfraSuite EnviroStation 7
Indicates whether the unit is connected to a power source.
On (green): Connected.
Off: Not connected.
Indicates whether an internal fault has occurred.
On (red): Fault occurred.
Off: Normal.
On (green): The Relay Output is switched to NC (Normal
Close).
Off: The Relay Output is switched to NO (Normal Open).
On (yellow): The value of the Analog Input is out of the
assigned normal range.
Off: The value of the Analog Input is in the normal range.
On (yellow): The Digital Input is activated and defined as
‘Warning’ or ‘Alarm’.
Item Description
W
No.
Off: The Digital Input is defined as ‘None’ or ‘Information’.
❻
Sensor
❼
HUB
LEDs
10/ 100
Base-T
Network
Port
On (yellow): The Sensor HUB is activated and defined as
‘Warning’ or ‘Alarm’.
Off: The Sensor HUB is defined as ‘None’ or ‘Information’.
Connects the EnviroStation to the network.
1. When the EnviroStation initializes or upgrades its firmware,
the two LED indicators on the 10/ 100 Base-T network port
flash simultaneously. Please refer to the following for LED
illumination definition.
Rapid simultaneous flashing (every 50ms):
Initialization or firmware upgrade in progress.
Slow simultaneous flashing (every 500ms):
Initialization failure.
Do NOT disconnect the EnviroStation’s input power
during initialization or firmware upgrade! This could
result in data loss or damage to the EnviroStation.
Chapter 2 : Introduction
arning：
❽
Console
Port
❾
Reset
Button
Modbus
❿
RS485 port
2. The green LED indicator shows the network connection
status:
ON: Network connection established and the IPv4
address is useable.
OFF: Not connected to a network.
Flashes slowly (every 500ms): Faulty IP address.
3. The yellow LED indicator shows the linking status:
Flashes rapidly (every 50ms): Linking normal.
Flashes slowly (every 500ms): Linking abnormal.
Connects to a workstation with an RJ45 to DB9 cable.
Resets the EnviroStation’s network module. This will not affect
the operation of other connected devices.
Connects devices to EnviroStation via the Modbus protocol.
8
Item Description
No.
⓫
DeltaBUS
⓬
Sensor
HUB
⓭
Digital Input Four input contact devices can be connected to EnviroStation.
⓮
Analog
Input
⓯
Relay
Output
⓰
AC Line
Inlet
Provides power (12Vdc) and connects to EnviroProbe(s) using
a standard CAT5 cable with straight-through wiring.
Connects and provides power (12/ 24Vdc) to general sensor
devices using standard CAT5 cables with straight-through
wiring.
The wet contact active rating is 5~24Vdc,1~9mA.
Connects four analog sensor devices, including:
Two 0-10Vdc analog voltage sensors or 0-20mA
current-loop sensors.
1 RTD sensor.
1 leakage sensor.
Connects to relay-controlled devices.
Provides power to EnviroStation. The range is 100V~240V 60/
50Hz.
InfraSuite EnviroStation 9
Chapter 3 : Installation
In this chapter, you will learn the installation procedures for the EnviroStation,
EnviroProbes, Alarm Beacon, and devices connecting via RS485, Sensor HUB,
Digital Inputs, Analog Inputs and Relay Outputs.
Chapter 3 : Installation
3.1. Rack-mount Installation
Step 1 Choose a location in the rack. On the vertical mounting rails, insert the
provided cage nuts.
Step 2 Using two screws, attach two bracket ears provided in the accessory box
to each end of the EnviroStation.
Step 3 Make sure the mounting holes and the bracket ears on the EnviroStation
are aligned properly, then secure the bracket ears to the rack with the four
provided mounting screws (two for each end), EnviroStation occupies 1U
of rack space.
10
W
Step 4 Connect the AC power cable from the rear panel to an unoccupied power
outlet. This will automatically power up the EnviroStation.
ARNING:
Before connecting the EnviroStation to a power source, make sure that the
power source is rated between 100-240V and is well grounded.
3.2. RS485
EnviroStation provides two RS485 ports for devices that communicate through the
Modbus protocol such as power meters and door contact systems. Using an RS485
port, eight devices with different ID numbers can be cascaded, however, their
communication parameters must be identical (For example: Baud rate: 2400, data
bits: 8, parity: none, stop bits: 1, and flow control: None).
InfraSuite EnviroStation 11
Chapter 3 : Installation
3.3. EnviroProbe
Detecting environment temperature and humidity, the EnviroProbes are designed to
work with the EnviroStation. You can cascade multiple EnviroProbes to extend the
detecting range. To install the EnviroProbe(s), please see the following instructions.
Step 1 Set the Comm DIP switch to Station on the EnviroProbe(s).
Step 2 Make sure the last EnviroProbe in the chain (the farthest) is set to Rt-Yes,
and the rest of the EnviroProbes are set to Rt-No. If only one EnviroProbe
is connected, please also make sure that it is set to Rt-Yes.
Step 3 Set the ID DIP switch to assign an ID for each EnviroProbe (please refer to
the EnviroProbe User Manual). No particular numeric order is required for
the connected units; however, make sure that each EnviroProbe is
assigned with a unique ID. Up to ten EnviroProbes can be cascaded.
Step 4 Attach the EnviroProbe(s) to rack cabinet doors or metal plates.
Step 5 Use a standard CAT5 cable to connect the first (nearest) EnviroProbe’s
Input to the Delta-BUS port on the rear panel.
Step 6 Cascade other EnviroProbes using standard CAT5 cables. Connect the
Output port to the next EnviroProbe’s Input port. Please see the figure
below.
12
W
ARNING:
Under no circumstance should you connect the EnviroProbe’s Input port to
another one’s Input port. This may cause unrecoverable malfunction to your
EnviroProbes. Please be careful and always make sure that you are
connecting the correct ports before you plug in.
3.4. Digital Input
The EnviroStation provides four Digital Inputs. Wet and Dry Contacts can be
connected for applications such as smoke, fire and door security detection. To
connect your peripheral devices, please refer to the following figures for terminal
connections:
Digital Value Dry Contact Wet Contact
1
0
InfraSuite EnviroStation 13
Close 5~24Vdc
Open < 1.5Vdc
Dry Contact : Normal Open [NO] or Normal Close [NC].
Wet Contact: Active rating 5~24Vdc, 1~9mA.
Chapter 3 : Installation
3.5. Sensor HUB
In the accessory box you can find eight provided Sensor HUB adapters (RJ45 to
6-pin terminal connector) which are used to connect peripheral devices for purposes
such as smoke, fire and door contact detection. To connect a Sensor HUB device,
please see the following instructions:
14
Connect a Sensor HUB adapter to a Sensor HUB port on the rear panel with a
standard CAT5 cable.
On the other side of the adapter, plug a 6-pin terminal block (provided with the
package) into the green terminal connector so wires from peripheral devices can
be tightened and fixed with the screws.
Depending on the contact types and power requirement of the devices you are
connecting, different terminal connections are required. Please see the following
figures:
1) +12Vdc is provided by connecting the
following two terminal points: 12V and G
(12V).
2) +24Vdc is provided by connecting the
following two terminal points: 24V and G
(24V).
3) Connect Dry Contact signal to G (12V) and –
terminal points.
4) Connect Wet Contact signal to + and –
terminal points. The active rating is
5~24Vdc, 1~9mA.
NOTE:
For HUB1/ HUB2, you can manually turn on/ off power or enable automatic
power control. Please see 5.2.1 Management – Sensor HUB.
InfraSuite EnviroStation 15
Chapter 3 : Installation
3.6. Analog Input
The EnviroStation provides four Analog Inputs, which are generally used to connect
sensor devices that monitor the environment by observing voltage or current
fluctuations. The Analog Input 1 and 2 can be connected to a voltage (0~10Vdc) or
current (0~20mA) source. Please see the following illustrations.
The Analog Input 3 is dedicated to a 2-wire or 3-wire RTD (Resistance Temperature
Detector) input. You can connect a PT100 (2/3-wire) temperature sensor to it. Please
see the figure below:
The Analog Input 4 is designed to connect a leakage sensor for leakage detection.
You can use the provided extension cable to extend its length.
16
3.7. Relay Output
EnviroStation provides two Relay Outputs which can be
used in cooperation with Digital/ Analog Input devices to take
appropriate actions when events are reported.
The power rating is 26Vdc, 0.8A. Please see the following
illustrations for the terminal configurations:
3.8. Alarm Beacon
The Alarm Beacon can be installed in visible locations and triggered by specific
events to alert you to any unusual situations. To install the Alarm Beacon, a provided
terminal block and a Sensor HUB adapter are needed.
Step 1 Plug the terminal block into the green terminal connector of the Sensor
HUB adapter.
Step 2 Connect the positive wire (+) from the Alarm Beacon to the 12V terminal
on the terminal block, and the negative wire (-) to the G (12V) terminal.
Make sure that the screws on the connected terminals are tightened
properly.
Step 3 Use a standard CAT5 cable to connect the RJ45 connector of the adapter
to the Sensor HUB1/ HUB2 on the rear panel of the EnviroStation.
InfraSuite EnviroStation 17
Chapter 3 : Installation
Step 4 Place the Alarm Beacon in a visible location.
3.9. PDU Installation
Step 1 The EnviroStation can connect with up to 16 PDU devices (different
models are allowed). If you wish to cascade PDU devices, please set a
unique ID No. (0~15) for each PDU with its own four DIP switches (see
Table 3-1).
Table 3-1: Settings of PDU DIP Switches
PDU DIP
Switches
ID
Number
0
1
2
3
4
5
PDU DIP
Switches
ID
Number
6
7
8
9
10
11
PDU DIP
Switches
ID
Number
12
13
14
15
18
Step 2 Use the provided RJ45-DB9 cable to connect the EnviroStation and your
PDU. Connect the RJ45 to the EnviroStation’s console port and connect
the DB9 to the PDU’s RS232-2 port. If you need to cascade several PDU
devices, please use the RS232 cables provided in your PDU devices.
Please refer to the figure below.
Step 3 After installation, please visit InsightPower SNMP IPv6 for EnviroStation
Web, click Device→ Management→ PDU, and check the PDU Enable
box. Please note that the text mode will be disabled if you check the PDU
Enable box.
InfraSuite EnviroStation 19
Chapter 4 : System Configurations
There are different ways you can configure your EnviroStation. If a network connection is available at your location, the following methods can be used:
Web-based interface: The InsightPower SNMP IPv6 for EnviroStation Web
offers comprehensive system management and monitoring. Please refer to
Chapter 5: InsightPower SNMP IPv6 for EnviroStation Web.
EzSetting: Use the provided program EzSetting to quickly set up your SNMP
IPv6. Please refer to 4.2 Configuring with EzSetting.
Telnet mode: Configure your SNMP IPv6 in text mode. Please refer to 4.3
Configuring via Telnet.
The above-mentioned methods require network connection. If not available, you can
use direct COM port connection to set up your EnviroStation. Please see 4.4
Configuring through COM Port.
Chapter 4 : System Configurations
NOTE:
1. To ensure system security, it is highly recommended that you change your
account and password after the first login.
2. If you have multiple EnviroStation units installed in your network, we
highly suggest that you change the EnviroStation’s default Host Name to
avoid conflicts. Also, it is recommended that you disable BOOTP/ DHCP
and manually assign a valid static IP address to the EnviroStation.
4.1. Configuring via InsightPower SNMP IPv6 for
EnviroStation Web
To set up the EnviroStation via your web browser, please follow the instructions
below:
Step 1 Use a CAT5 network cable to connect the EnviroStation’s 10/ 100 Base-T
network port to the network. Launch your web browser. In the address bar,
enter the EnviroStation’s default Host Name InsightPower, or default IP
address 192.168.1.100. If you are unable to connect, please see Chapter
7 : Troubleshooting Q6.
20
NOTE:
If you have previously changed the EnviroStation’s Host Name or IP
address, connect with the new settings.
Step 2 Log in as Administrator (default account/ password: admin/ password,
case sensitive).
Step 3 Specify your preferred display language (default: English) from the
dropdown menu on the top right of the page. The EnviroStation
remembers your language preference. In the following instructions,
English is chosen as the display language.
Step 4 Click System → Administration → User Manager. Manage your login
accounts and passwords under the “Local Authentication” subhead. The
access permission for the account types are listed as follows:
1) Administrator: Allowed to modify all settings.
2) Device Manager: Allowed to modify device-related settings.
3) Read Only User: Only allowed to view settings without the permission
to make changes. .
You can manually specify whether users are allowed to log in from other
LANs. If you wish to block login attempts from external connections,
selecting Only in this LAN. Otherwise, select Allow Any.
Step 5 Click System → Administration → TCP/ IP to set Host Name, IP
address, Subnet Mask and Gateway IP for the EnviroStation.
Step 6 Click Time Server to manually set time and date for the system, or enable
automatic time synchronization between the EnviroStation and the time
servers.
NOTE:
To completely set up your SNMP IPv6, please refer to Chapter 5:
InsightPower SNMP IPv6 for EnviroStation Web.
InfraSuite EnviroStation 21
Chapter 4 : System Configurations
4.2. Configuring with EzSetting
Included in the provided CD, the EzSetting (compatible with Windows 2000/ 2003/
2008/ XP/ Vista/ 7) allows you to easily configure your EnviroStation and upgrade
firmware on your SNMP devices. Follow the instructions below:
Step 1 Use the provided standard CAT5 cable to connect the 10/ 100 Base-T
network port from EnviroStation's rear panel to the network.
Step 2 Make sure the workstation and the EnviroStation are on the same LAN.
Step 3 Insert the provided CD in the CD-ROM drive. From the root directory,
launch EzSetting.
Step 4 Click Discover to search all available SNMP devices on the LAN. A list of
devices will be shown.
NOTE:
1. If you want to search SNMP devices in a different domain,
change the Subnet and IPv4 Mask/ IPv6 Prefix Length and
click Discover.
2. If the EnviroStation cannot be found, check UDP port 3456 on
the workstation you are using. Make sure it is open.
22
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