Comet System P8610 User manual

COMET SYSTEM
www.cometsystem.cz
P8610 intelligent thermometer
with PoE
P8631 intelligent 3-channel transducer
with PoE
USER MANUAL

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©Copyright: COMET System, Ltd.
Is prohibited to copy and make any changes in this manual, without explicit agreement of
company COMET System, Ltd. All rights reserved.
COMET System, Ltd. makes constant development and improvement of their products.
Manufacturer reserves the right to make technical changes to the device without previous
notice. Misprints reserved.
Manufacturer is not responsible for damages caused by using the device in conflict with
this manual. To damages caused by using the device in conflict with this manual can not be
provide free repairs during the warranty period.

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Table of contents
Introduction........................................................................................................................................................4
General safety rules .....................................................................................................................................4
Device description and important notices...............................................................................................5
Getting started....................................................................................................................................................6
What is needed for operation ....................................................................................................................6
Mounting the device....................................................................................................................................6
Device settings .............................................................................................................................................7
Checking functions......................................................................................................................................9
Device function description...........................................................................................................................10
Alarm limits ................................................................................................................................................10
Settings using TSensor software..............................................................................................................11
Setup via Telnet..........................................................................................................................................12
Factory configuration................................................................................................................................13
Communication protocols .............................................................................................................................14
Website........................................................................................................................................................14
SMTP –sending e-mails...........................................................................................................................14
SNMP ..........................................................................................................................................................15
Modbus TCP ..............................................................................................................................................15
SOAP...........................................................................................................................................................16
Syslog...........................................................................................................................................................17
SNTP ...........................................................................................................................................................17
Troubleshooting...............................................................................................................................................18
I forgot the device IP address..................................................................................................................18
I can not connect to the device...............................................................................................................18
Error1 is displayed instead the measured value....................................................................................19
Error2 is displayed in all channels instead the measured value..........................................................19
I forgot the password for setup...............................................................................................................19
Technical specifications..................................................................................................................................20
Dimensions.................................................................................................................................................20
Basic parameters ........................................................................................................................................21
Operating terms .........................................................................................................................................22
End of operation .......................................................................................................................................23
Technical support and service .................................................................................................................23
Preventive maintenance............................................................................................................................23
Optional accessories........................................................................................................................................24
Temperature probe DSTR162/C............................................................................................................24
Power supply Adapter A1825..................................................................................................................24
Device case holder for RACK 19" MP046 ...........................................................................................24
Probes holder for RACK 19" MP047 ....................................................................................................24
Dual Lock MD036 ....................................................................................................................................24
Database software DBS Sensor monitor ...............................................................................................25

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Introduction
This chapter provides basic information about device. Before starting please read
this manual carefully.
P8610 Intelligent Thermometer and P8631 Transducer are used to measure temperature
using a digital sensor DS18B20. Temperature can be displayed in °C or °F. Communication
with the device is realized via Ethernet network. Device can be powered from external
power supply adapter or by using power over Ethernet –PoE.
P8610 Thermometer has compact design and measures the temperature in place of
installation. To P8631 Transducer is possible connect up to three probes. Temperature
probes are available as accessories.
General safety rules
The following summary is used to reduce the risk of injury or damage the device.
To prevent injury, please follow instructions in this manual.
The device can be services only by a qualified person. The device contains no
serviceable parts inside standard means.
Don’t use the device, if it doesn’t work correctly. If you think, that the device is
not working correctly, let check it by qualified service person.
Don’t disassemble the device. It’s forbidden to use the device without the cover. Inside the
device can be a dangerous voltage and may be risk of electric shock.
Use only the appropriate power adapter according to manufacturer specifications and
approved according to relevant standards. Make sure, that the adapter does not have
damaged cables or covers.
Connect the device only to network elements approved according to relevant standards.
Where power over Ethernet is used, the network infrastructure must be compatible with
IEEE 802.3af standard.
Connect and disconnect the device properly. Don’t connect or disconnect Ethernet cable
or probes, if the device is powered.
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The device may be installed only in prescribed areas. Never expose the device higher or
lower temperatures than is allowed. The device has not improved resistance to moisture.
Protect it from dripping or splashing water and do not use at areas with condensation.
Don’t use device in explosive environments.
Don’t stress the device mechanically.
Device description and important notices
This chapter contains informations about basic features. Also there are
important notices concerning to functional safety.
Values from the device can be read using an Ethernet connection. The following formats
are supported:
Web pages with user changeable look
Modbus TCP protocol
SNMPv1 protocol
SOAP protocol
The device can also be used to check measured values and if the limit is exceeded, device
sends warning messages. Possible ways to sending warning messages:
Sending e-mails up to 3 e-mail addresses (SMTP authentication is not
supported in current firmware version)
Sending SNMP traps up to 3 configurable IP addresses
Displaying the alarm status on web page
Sending messages to Syslog server
The device setup can be made by the TSensor software or via Telnet. TSensor software can
be free downloaded from the manufacturer’s website. Also you will find there latest
firmware for your device.
If you want to use PoE, you must use PoE switch compatible with IEEE 802.3af standard.
As a low cost solution can be recommended Repotec switch RP-PE8T/4.
Reliability of warning messages delivering (e-mail trap), depends on actual
availability of necessary network services. The device should not be used for
critical applications, where malfunction could cause to injury or loss of human
life. For highly reliable systems, redundancy is essential. For more information
please see standard IEC 61508.
Never connect the device directly to the Internet. If it is necessary connect the
device to the internet, properly configured firewall must be used. Firewall can
be partially replaced with the NAT.

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Getting started
Here you can find informations necessary to put newly purchased equipment to
operation. This procedure is only informative.
What is needed for operation
To install the unit you need to the following equipment. Before installation check if it’s
available.
P8610 Thermometer or P8631 Transducer
power supply adapter 5V/250mA or switch with PoE. Before using the device
is necessary to decide which way of powering will be used.
RJ45 LAN connection with appropriate cable
free IP address in your network
for P8631 Transducer up to 3 temperatures probes type DSTR162/C
Mounting the device
check if the equipments from previous chapter are available
install the latest version of TSensor software. This software is used to all
device settings
TSensor software can be free downloaded from the manufacturer’s website.
Software can be also supplied on CD.
contact your network administrator to obtain following informations for the
connection to the network:
IP address:
_____._____._____._____
Gateway:
_____._____._____._____
Netmask:
_____._____._____._____
also check if there is no IP address conflict when you connect the device to
network for the first time. The device has factory set the IP address to
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192.168.1.213. This address must be changed according to informations from
the previous point. When installing several new devices, connect them to the
network one after another.
connect DSTR162/C probe at P8631 Transducer
connect the Ethernet connector
if the power over Ethernet (PoE) is not used, connect the power adapter
5V/250mA
LEDs on LAN connector should blink after connecting the power
P8610 Thermometer connection (power supply adapter, Power over Ethernet):
P8631 Transducer connection (power supply adapter, Power over Ethernet):
Device settings
run configuration software TSensor on your PC
switch to an Ethernet communication interface
press Find device...

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the window shows all available devices on network
click to Change IP address to set new address according to network
administrator instructions. If you need to use DHCP server for obtain IP
address set 0.0.0.0. If your device is not show, then click Help! My device
wasn’t found! Then follow the instructions. MAC address is on product
label. The device is factory set to IP 192.168.1.213.
gateway may not be entered if you want to use the device only in local
network. If you set the same IP address which is already used, the device will
not work correctly and there will be collisions on the network. If the device
detects a collision of IP address then reboot is performed automatically.

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after changing IP address device is restarted and new IP address is assigned.
Restart of the device takes about 10 seconds.
connect to device using TSensor software and check the measured values. If
P8631 Transducer values are not displayed, it’s necessary to find probes using
button Search probes.
set the other parameters (alarm limits, SMTP server, etc.). Settings are saved
after click on button Save changes.
Checking functions
The last step is to check measured values on the device website. In the address bar of the
web browser, enter the device IP address. If the default IP address was not changed, then
insert http://192.168.1.213.
Displayed web page lists actual measured values. If the web pages are disabled, you can see
text ACCESS DENIED. If the measured value exceeds the measurement range or probe
is not correctly installed, then is shown Error1 value. If the channel is switched off, the
web site displayed OFF instead of the value.

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Device function description
This chapter describes basic device configuration. There is a description of
settings using TSensor software and via Telnet.
Alarm limits
Alarm limits can be set at bookmark Configuration in TSensor software. For each
measurement channel is possible to set upper and lower limits of temperature, time-delay
for alarm activation (0 –65535s) and hysteresis for alarm clearing.
Example of setting the limit to the upper alarm limit:
In Point 1 the temperature exceeded the limit. From this time, the time-delay is counting.
Because at point 2 the temperature dropped below the limit value before the time delay
expired, alarm was not set.
In Point 3 the temperature has risen over limit again. During the time-delay the value does
not drop below the set limit, and therefore was in Point 4 caused alarm. At this moment
were sent e-mails, traps and set alarm flag on website, SNMP and Modbus.
The alarm lasted up to Point 5, when the temperature dropped below the set hysteresis
(temperature limit –hysteresis). At this moment was active alarm cleared.
When alarm occurs, alarm messages will be sent. But if alarm persists alarm messages will
not be sent repeatedly. In case of power failure or reset the device (e. g changing the
configuration) will new alarm state evaluated and new alarm messages will be send.
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Settings using TSensor software
Bookmark Information
In bookmark Information are the most important informations about the device. Using
switch Protocol you can choose the method of reading current values from the device.
Selecting item Modbus connects TSensor software to the Modbus TCP server in the
device. At this time is not possible to read any values using Modbus in other software.
Bookmark Configuration
This bookmark allows set alarm limits for each channel (upper limit, lower limit, hysteresis
and delay). In item description can be the channel named by user. This description will be
displayed on the website of the device. The channel can be enabled or disabled. Measured
temperature can be set to °C or °F. After click to Search probes is started searching for
probes connected to P8631 Transducer.
Bookmark Communication Setting
At global settings items can be set basic network parameters of the device. Before
changing IP address, gateway and netmask, consult changes with your network
administrator. If IP from DHCP is selected, then after reboot the device asks DHCP server
to IP address. Using MTU item can be set maximum Ethernet frame size (512-1400). If
you have problems with communication, you can reduce the value from default 1400. You
can also enter a password and the name of the device. If the password is set, it is not
possible to change device configuration without entering the password.
Under SMTP you can set three IP addresses, where will be send SNMP Traps. There is
also possible to enter a password for read/write SNMP protocol.
Modbus item allows enable or disable the Modbus protocol. Modbus server port on the
device can be set. The default port is 502.
Using the item WWW can be enabled/disabled web server and set the automatic refresh
interval for web pages. In History item you can choose time interval for storing values into
tables of history. These values are displayed in the graph and can be exported to a CSV file.
Global time allows to set the device time synchronization with SNTP server. Actual time
is displayed on webpages of the device. To view the correct time is necessary to set the
time offset from GMT (i.e. set time zone).
To send e-mails is needed to set IP address of SNTP server. The device allows you to
send warning e-mail up to 3 specified addresses. The sender address can be changed.
SMTP authentication is not supported in current firmware.
Bookmark Communication Setting I
To correct sending SOAP messages at the server, you must set IP address of SOAP server,
the target path to the service and TCP port for this service. Let the source port set to 0.
Sending interval can be selected in the range of 10 –65535s. If you are using monitoring
system DBS Sensor Monitor, set the SOAP protocol according to instructions in the
manual of monitoring system.
For sending Syslog messages you need to set only IP address of Syslog server.

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Setup via Telnet
Using a text interface Telnet at port 9999 can be the device configured. It is possible to
change any settings as well as using TSensor software. The Telnet is good if you need to
made configuration from operation system where can not be installed TSensor software
(Linux, Mac OS). On operating systems Windows 7 and Windows Vista is not Telnet
included at standard installation, but you can install it in Control panels.
Access to the Telnet settings can be password protected. If any item in Telnet interface is
not confirmed more than 5 minutes, Telnet automatically ends and the device will be
restarted. Previous changes would not saved. To save values is necessary to confirm the
changes by selecting Save and exit. During setup via Telnet is no guaranteed that the
device works with correct configuration. These values are set after each quit Telnet
interface.
Telnet interface is controlled using the command line. You will get to each item by pressing
0-9 keys and Enter. Telnet always lists the current value. If you do no want to change, go
to next item by key Enter. Specifying an empty string (e.g. e-mail addresses) is best done
by pressing Space bar, then Backspace to delete and press Enter.

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Factory configuration
Using TSensor software –Factory configuration button, the device can be set to factory
configuration. Network parameters (IP address, Subnet mask, Gateway) are left without
changes. Factory parameters settings:
Parameter
Value
IP address of SMTP server
0.0.0.0
E-mail recipients addresses
cleared
E-mail sender
sensor@IP
E-mail sending enabled
no
IP addresses SNMP traps recipients
0.0.0.0
Password for SNMP reading
public
Password for SNMP writing
private
Sending SNMP Trap
yes
Website refresh interval [s]
60
Website enabled
yes
Modbus TCP protocol port
502
Modbus TCP enabled
yes
History storage interval [s]
60
SOAP server IP address
0.0.0.0
SOAP source port
0
SOAP destination port
80
SOAP service target site
cleared
SOAP protocol enabled
no
Syslog server IP address
0.0.0.0
Syslog protocol enabled
no
SNTP server IP address
0.0.0.0
GMT offset [min]
0
SNTP synchronization enabled
no
MTU
1400
Turn on all channels
yes
Upper limit [°C]
125
Lower limit [°C]
-55
Hysteresis –hysteresis for alarm clearing [°C]
1
Delay –time-delay of alarm activation [s]
30
Password to access the settings
cleared
Device name
P8610 sensor or P8631 sensor

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Communication protocols
Short introduction to communication protocols of the device. To use some
communication protocols is necessary software, which can use the protocol. This
software is not included. Detailed description of protocols and application notes
can be found in the manual appendix.
Website
The device supports displaying of measured values, limits, alarm status and history graphs
on its websites. Webpages can be viewed using standard web browsers (Internet Explorer,
Mozilla Firefox or Opera). If the device has IP address 192.168.1.213 type into your
browser http://192.168.1.213. Using TSensor software can be set automatic webpages
refresh in interval 10-65535s. The default value is 60s.
Measured value has in graph green colour. Error or still unmeasured values are displayed as
grey broken line. Upper/lower alarm value is in graph displayed as red/blue line. If all
values are over upper/lower limit, the alarm line will be in the bottom/top graph part
displayed.
Values from history can be exported in CSV format. History storage interval can be set
using TSensor software. If the value has not been measured yet, is in table Error1. History
is erased after every reboot of the device. Reboot of the device is executed when the power
supply is disconnected and also after configuration change using TSensor software.
If the website are disabled or is being performed configuration using Telnet interface is on
website displayed: ACCESS DENIED.
The device allows you to customize the design of web pages. Details of how to change the
design, you can find in the manual appendix. Manual appendix can be obtained from the
manufacturer’s website.
SMTP –sending e-mails
When measured values are over the set limits, the device allows send e-mail to a maximum
of 3 addresses. For correct sending of e-mails it is necessary to set IP address of SMTP
server. SMTP authentication is not supported in current firmware. Contact your network
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administrator to obtain IP address of SMTP server. For communication with SMTP server
is used TCP connection on port 25.E-mail sent by the device can not be answered.
SNMP
Using SNMP protocol you can read actual measured values, alarm status and alarm
parameters. Via SNMP protocol is also possible to get last 600 measured values from
history table. Writing via SNMP protocol is not supported. It is supported only SNMPv1
protocol version. SNMP used UDP port 161. OID keys description can be found in the
MIB table, which can be obtained from manufacturer’s website. The password for reading
is factory set to public. The change can be made using TSensor software.
Time interval of storing to history table can be set using TSensor software. If the value has
not been measured yet, is in table value 9999. History table is erased after each reboot of
the device.
When alarm occurred a warning messages (trap) can be sent to selected IP addresses.
Addresses can be set using TSensor software. Traps are sent via UDP protocol on port
162. The device can send following traps:
Trap
Description
0/0
Reset of the device
1/0
Testing Trap
1/0
Configuration was changed using Modbus TCP protocol
1/1
Synchronization error with NTP server
1/2
Firmware was upgraded
1/3
Password was cleared
1/3
Error sending SOAP messages
1/5
6/3
Signalization of alarm/clearing alarm
Modbus TCP
Device supports Modbus protocol for communication with SCADA systems. Device use
Modbus TCP protocol. TCP port is set to 502 by default. Port can be changed using
TSensor software. The device processes only one request at one time. Before sending a
new request you must wait for the previous answer. Only one device can be connected to
the device at one moment. Modbus device address (Unit Identifier) is set to 1.
Specification and description of the Modbus protocol is free to download on:
www.modbus.org.
Supported Modbus commands (functions):
Command
Code
Description
Read multiple register(s)
0x03
Read 16b register(s)
Write multiple register(s)
0x10
Write 16b register(s)

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Modbus device registers. Address could be by 1 higher, depending on type used
communication library:
Address [DEC]
Address [HEX]
Value
Type
R/W
40000
0x9C40
channel 1 temperature
Int*10
R
40001
0x9C41
channel 1 alarm status
Ascii
R
40002
0x9C42
channel 1 upper limit
Int*10
R/W
40003
0x9C43
channel 1 lower limit
Int*10
R/W
40004
0x9C44
channel 1 hysteresis
Int*10
R/W
40005
0x9C45
channel 1 delay
uInt
R/W
40006
0x9C46
channel 2 temperature
Int*10
R
40007
0x9C47
channel 2 alarm status
Ascii
R
40008
0x9C48
channel 2 upper limit
Int*10
R/W
40009
0x9C49
channel 2 lower limit
Int*10
R/W
40010
0x9C4A
channel 2 hysteresis
Int*10
R/W
40011
0x9C4B
channel 2 delay
uInt
R/W
40012
0x9C4C
channel 3 temperature
Int*10
R
40013
0x9C4D
channel 3 alarm status
Ascii
R
40014
0x9C4E
channel 3 upper limit
Int*10
R/W
40015
0x9C4F
channel 3 lower limit
Int*10
R/W
40016
0x9C50
channel 3 hysteresis
Int*10
R/W
40017
0x9C51
channel 3 delay
uInt
R/W
Description:
R read only register
W register is designed for write
Int*10 registry is in format integer*10 –16 bits
uInt registry range is 0-65535
Ascii character
Possible alarm states:
no no alarm
lo value is lower than set limit
hi value is higher than set limit
SOAP
The device allows you to send currently measured values via SOAP v1.1 protocol. The
device sends values in XML format to the web server. The advantage of this protocol is
that communication is initialized by the device side. Due to it is not necessary use port
forwarding. Sending interval can be set in range 10-65535s using TSensor software. If the
SOAP message can not be delivered, warning message via SNMP Trap or Syslog protocol
is sent. The file with the XSD schema can be downloaded from:
www.cometsystem.cz/schemas/soapP85xx_v2.xsd.
SOAP protocol uses monitoring software DBS Sensor monitor. This software can be
purchased as optional accessories.

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Syslog
The device allows sending text message to selected Syslog server. Events are send using
UDP protocol on port 514. Events when Syslog messages are send:
Text
Event
<00001> Device restart
Device reboot
<00001> SOAP connection error
Error sending SOAP messages
<00002> Alarm channel 1 temp high/low
Alarm activation
<00002> Alarm channel 2 temp high/low
<00002> Alarm channel 3 temp high/low
<00003> NTP connection error
NTP synchronization error
<00004> Settings changed
Change settings via Modbus
<00004> Hostname error
Error sending SOAP messages
<00006> Clearing channel 1 alarm
Alarm determination
<00006> Clearing channel 2 alarm
<00006> Clearing channel 3 alarm
<00006> Testing message
Test Syslog message
SNTP
The device allows time synchronization with NTP (SNTP) server. Time synchronization is
made every 8 hours. SNTP IP address can be set using TSensor software. It is also possible
set GMT offset for correct time zone. Time is used in history tables and history CSV files.
Maximum jitter between two time synchronizations can be 30s.

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Troubleshooting
The chapter describes the common problems with P8610 Thermometer, P8631
Transducer and methods how to fix these problems. Pleas read this chapter
before you will call technical support.
I forgot the device IP address
IP address is factory set to 192.168.1.213. If you had changed it and forgot new IP address,
run the TSensor software and press Find device... In the window are displayed all
available devices.
I can not connect to the device
In search window is only IP and MAC address displayed
Other details are marked N/A. This problem occurs if IP address of the device is set to
another network.
Select the window Find device in TSensor software and press Change IP address.
Follow the software instructions. To assign IP address automatically using DHCP server,
set the device IP address to 0.0.0.0.
Device IP address is not displayed in window Find device
In TSensor software menu press Help! My device was not found! in window Find
device. Follow the software instructions. MAC address of the device can be found on
product label.
The device is not found even after manually setting
MAC address
This problem occurs especially in cases when the IP address of the device belongs to
another network and also Subnet mask or Gateway are incorrect.
In this case is DHCP server in the network necessary. In TSensor software menu press
Help! My device was not found! in window Find device. As new IP address set 0.0.0.0.
Follow the software instructions.
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Error1 is displayed instead the measured
value
Error1 is displayed immediately after start or reboot the device. If the error code is
displayed permanently, check if the temperature probe is connected to device correctly.
Check if the temperature probes are not at a temperature outside the measuring range and
check probes cables. Perform new search of probes using TSensor software.
Error2 is displayed in all channels instead
the measured value
Error2 indicates short-circuit of measurement bus. Check if correct probes are connected.
Probes Pt100/Pt1000/Ni100/Ni1000 can not be used with this device. Make sure the
cables of probes are not damaged.
I forgot the password for setup
To clear the password from the device, follow these steps:
disconnect the power supply (power adapter or RJ45 connector if PoE is
used)
use something with thin tipped (e.g. paper clip) and press the hole on the left
side
connect the power, wait for 10s and release the button

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Technical specifications
Informations about technical specifications of the device.
Dimensions
P8610 Thermometer:
P8631 Transducer:
Chapter
6