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ChaPTer 4: moDBuS

ChapTer 4: Modbus

The Sentinel Pro can be configured to read up to 64 Modbus registers from any modbus device so that 

you can create alarms, view the values over the internet, and record the values for trending purposes. 

The Sentinel can read the values over 2-wire RS485 or Ethernet/TCP. You can also read registers from 

both interfaces simultaneously, if desired. Once you have configured the unit to read the registers you 

can create alarm set points, view the current values on the website, scale the value using multiplication 

or division, add units of measure, and also record the values in the unit’s datalogger. 

readIng Modbus oVer rs485

To read values from a Modbus device over RS485 the Sentinel Pro must be the Modbus Master. All other 

devices must be configured as Modbus Slaves. The Sentinel Pro can read from multiple slave devices 

as long as the baud rate is the same among all connected devices and there are no overlapping register 

addresses. 
Connect the Sentinel Pro and your Modbus device(s) as shown in the figure below:

Sentinel

Termination 

In

Modbus Devices

D +

D –

GND

Termination 

Out

D +

D –

GND

Termination 

Out

D +

D –

GND

Termination 

In

D +

D –

GND

Connect the ground terminal (GND) on the Sentinel Pro RS485 terminal strip to the correspond-

ing ground or shield terminal on the Modbus slave device. Connect the Sentinel Pro RS485 Transmit/

Receive Positive (D+) terminal to the corresponding positive data terminal on the Modbus slave device. 

Connect the Sentinel Pro Negative (D-) terminal to the corresponding negative data terminal.  
Next, go to the 

Configure Device

 page on the Sensaphone.net website. Scroll down to the Modus RS-485 

Settings and configure the parameters to match your Modbus device. See sample figure below:

Click the 

Save Changes

 button when finished.

Содержание Sentinel Pro

Страница 1: ... CLOUD BASED MONITORING PRO Installation and setup guide Version 3 2 SENSAPHONE REMOTE MONITORING SOLUTIONS ...

Страница 2: ...ts of errors beyond its control Sensaphone also cannot guarantee that changes in equipment made by other manufacturers and referred to in this manual will not affect the applicability of the information in this manual Copyright 2015 by SENSAPHONE First Edition version 3 2 July 2017 Written and produced by SENSAPHONE Please address comments on this publication to SENSAPHONE 901 Tryens Road Aston PA...

Страница 3: ...shock To reduce the risk of electric shock do not disassemble this product but return it to Sensaphone Customer Service or another approved repair facility when any service or repair work is required Opening or removing covers may expose you to dangerous voltages or other risks Incorrect reassembly can cause electric shock when the unit is subsequently used If anything happens that indicates that ...

Страница 4: ...ion against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will ...

Страница 5: ...ORT AND WHETHER OR NOT CAUSED BY WARRANTORS NEGLIGENCE IN THE EVENT THAT IT IS DETERMINED IN ANY ADJUDICATION THAT THE LIMITED WARRANTIES OF REPAIR OR REPLACEMENT ARE INAPPLICABLE THEN THE PURCHASER S SOLE REMEDY SHALL BE PAYMENT TO THE PURCHASER OF THE ORIGINAL COST OF THE PRODUCT AND IN NO EVENT SHALL WARRANTORS BE LIABLE OR RESPONSIBLE FOR PAYMENT OF ANY INCIDENTAL CONSEQUENTIAL SPECIAL AND OR ...

Страница 6: ...DICTIONS MAY NOT ALLOW OR MAY PLACE LIMITS UPON THE EXCLUSION AND OR LIMITATION OF IMPLIED WARRANTIES INCIDENTAL DAMAGES AND OR CONSEQUENTIAL DAMAGES FOR SOME TYPES OF GOODS OR PRODUCTS SOLD TO CONSUMERS AND OR THE USE OF INDEMNIFICATION TERMS THUS THE EXCLUSIONS INDEMNIFICATION TERMS AND LIMITATIONS SET OUT ABOVE MAY NOT APPLY OR MAY BE LIMITED IN THEIR APPLICATION TO YOU IF THE IMPLIED WARRANTIE...

Страница 7: ...Installation 11 Parts Required 11 Operating Environment 11 Power 11 network configuration 11 Wall Mount Installation 12 Sentinel Cellular Version 12 Connecting Sensors 13 General Wiring Considerations 13 Normally open normally closed dry contacts 14 2 8K 10k Temperature sensors 14 4 20mA Current Loop Transducers 14 Relay Output Wiring 15 Battery Backup 16 Memory Clock Battery 16 Resetting the Sent...

Страница 8: ...r RS485 31 Modbus Zone Setup 33 Connecting Modbus RS 485 Devices to your Sentinel Pro 35 Appendix A Weekly Testing Procedure 37 Appendix B Accessories 38 Appendix C Specifications 39 Alert Zones 39 Relay Output 39 Data logging 39 Communication type 39 Power Supply 39 Environmental 39 Physical 40 Appendix D Thermistors 41 2 8K Thermistor Data 41 10K Thermistor Data 41 Appendix E Returning the Unit ...

Страница 9: ...ges require a premium subscription plan The internal battery backup system insures the unit will continue to run if main power fails Features The Sentinel Pro includes the following key features n Twelve sensor inputs to monitor environmental conditions and or alarm contacts from other equipment n Up to 64 Modbus registers can be read from third party equipment via 2 wire RS485 or Ethernet TCP n 1...

Страница 10: ...entinel Pro 1 Acknowledge Standby Button 6 Power Jack 2 On Off Switch 7 Ethernet Jack 3 Power Online Standby LEDs 8 Sensor Input Terminal Strip 4 Alarm LEDs 5 Relay Output LEDs yellow 9 Relay Outputs 10 Modbus RS485 Terminal Strip RJ 45 10 100BASE T Ethernet Port This jack is for connecting to your network so that the device can communicate with the Sentinel Pro servers Two LEDs indicate when the ...

Страница 11: ... Operating Environment Before you install the Sentinel Pro be sure that your operating environment meets the physical require ments of the equipment Operating Temperature 32º 122º Fahrenheit 0º 50º C Humidity 5 90 RH non condensing Power 115VAC 50 60 Hz outlet within 6 Power Connect the included DC power supply to the power jack on the Sentinel Pro Plug the power adapter into a 115V AC power outle...

Страница 12: ...ort and connect to a 10 100 network hub switch or router 5 75 3 00 Figure 2 Sentinel Pro mounting dimensions Sentinel Cellular Version The Cellular version of the Sentinel Pro includes a 4G modem and battery backup system to keep the entire unit functioning for up to 8 hours A special Battery Backup Controller is included to maintain proper charging of the 12V backup battery and automatically swit...

Страница 13: ... gauge Note that if the sensor is located far from the unit or if you are running cable in an electrically noisy environment you should seriously consider using shielded cable This will shield the signal from electrical interference thereby preventing false readings and or damage to the unit For your convenience Sensaphone has 22 gauge shielded cable available in 50 lengths part number FGD 0010 To...

Страница 14: ...ed in the tables in Appendix D The monitoring temperature range of the 2 8K thermistor is 109 to 115ºF 85º to 57ºC and the 10K thermistor is 87 to 168 F 66 to 76 C Temperature sensors can be con nected directly to the zone terminals without regard for polarity Choose an alarm input and connect the wires to the corresponding screw terminals for that zone 2 8K and 10K temperature sensors are availab...

Страница 15: ...C supply Relay Output Wiring The Sentinel Pro includes two relay outputs switches that can be used to turn on a light siren or other device whenever an alarm occurs The output are normally open i e off dry contacts that can be used for low voltage switching The relays are rated for up to 30VAC VDC 1 Amp A sample wiring diagram is shown below Relay Output The relays can be controlled manually via t...

Страница 16: ... backup certain values in SRAM memory as well as the real time clock This battery should last between 5 10 years depending on how much time the device is powered off Resetting the Sentinel Pro to Factory Default Settings In the event that you can no longer connect to your Sentinel Pro you can reset the unit to factory defaults On the bottom of the unit is a small hole Beneath the hole is a push bu...

Страница 17: ... online with the Sensaphone net website Read the section below to learn how to view status and program your device Description of Web Pages Dashboard The dashboard will list all of the devices on your account This page is automatically updated with the most current information available The numbers at the top will show how many Unacknowledged Alarms Current Alarms Units Online and Units Offline th...

Страница 18: ...ponse The time that the device last connected to the server Standby Mode Standby mode puts the Sentinel Pro in a temporary state such that no alarms will be detected allowing onsite personnel to perform maintenance or other tasks that may have triggered an alarm otherwise Standby mode can be entered using the Action drop down on the Dashboard page or via the pushbut ton on the front of the unit St...

Страница 19: ...ues recorded If the device has any unacknowledged alarms a symbol will be displayed in this column The Action dropdown menu provides options that allow you to interact with your device such as acknowledging alarms resetting pulse count runtime and min max values and putting the device into standby mode Configure Device At the top of the dashboard click Configure Device to go to the device and zone...

Страница 20: ... grammed time duration Once you have completed your programming click on the Save Settings button at the bottom of the page Configuring a Static IP Address If you would like to assign your device a Static IP address go to the Configure Device page and scroll down to the IP Settings section Uncheck the DHCP box and the network settings will appear so that you can enter a Static IP address Gateway e...

Страница 21: ...propriate text for the monitored condition e g RH PSI GPM RPM When you select Normally Open NO or Normally Closed NC you can choose from several preset descriptions for the Open and Closed state of the input The first word always describes the Open state of the contact and the second the Closed state If you choose Custom you can enter your own text for the Open and Closed states To do this simply ...

Страница 22: ...rogrammed Reset Time see below the alarm will reset reactivate and the alarm message delivery process will begin all over again This is an optional feature Alarm Reset Time This is the time allowed for an alarm s fault condition to be corrected before the Sentinel Pro resets reactivates the alarm and begins the message delivery process all over again It is recommended that this be set to no lower ...

Страница 23: ...Device Details Manage Users and Manage User Groups but for only the devices you choose for them cho sen under the Device Groups section of the form Supervisors will have the ability to create new users but they can only give the users Supervisor access or lower User Gives the user access to the Dashboard but only shows the devices you choose for them cho sen under the Device Groups section of the ...

Страница 24: ...chedules is enabled 24 7 In the sample screen below the highlighted section shows the times when this user will be contacted for alarms Note that if you configure both a User Schedule and individual Contact Schedules there must be overlap in order for alarm messages to be delivered Login Details Users will login with an email address and password Enter this information in the Login Details sec tio...

Страница 25: ...hat will be contacted when an alarm occurs You can setup a Default Alarm Delivery Schedule i e contact list for each device or you can cre ate a separate Zone Alarm Delivery Schedule for each individual zone A combination of both can also be used e g some zones use the default schedule and others use a custom schedule The first step is to configure your Users and Contacts as described in the Manag...

Страница 26: ...eful for sending messages to people who do not require a user account in the system but may want to be informed when a particular alarm occurs Alarm Acknowledgment Alarms can be acknowledged from the dashboard page by selecting a device using the checkboxes next to each device and then clicking the Action drop down at the top of the screen You can acknowledge both Device Offline alarms or Zone ala...

Страница 27: ...can be done Adding Devices To add a new device to your account enter the device serial number located on the bottom of the unit in the format 00 07 F9 00 00 00 and give the device a name then click Add Device Reboot Device To reboot your device select it from the list to the left and then choose Reboot Device from the drop down box at the bottom of the page then click Submit Your Sentinel will reb...

Страница 28: ...ar in the list You can rename the group by right clicking on it and selecting Rename To move a device into a group click on the device and drag it into the group Continue adding devices until you re finished then click Save Groups The blue number shown on the group icon shows how many devices are within that group To remove a group right click on the group and select Delete Any devices in that gro...

Страница 29: ...tput change has successfully completed In Automatic mode the relay can be programmed to turn on automatically when certain conditions are met Listed below is a description of the parameters that apply to the automatic modes Input Selection Next to the Automatic mode selection box is another drop down that allows you to select which zones will control the output There are four options Zone List Typ...

Страница 30: ...put will revert back to its normal position Alarm Condition Choosing this option will make the Output change to the setting defined by the Action for as long as the selected input s remain in Alarm regardless of acknowledgement Once the selected zones return to their normal state the Output will revert back to its normal position Zone State Choosing this option will make the output change to the s...

Страница 31: ...Modbus Slaves The Sentinel Pro can read from multiple slave devices as long as the baud rate is the same among all connected devices and there are no overlapping register addresses Connect the Sentinel Pro and your Modbus device s as shown in the figure below Sentinel Termination In Modbus Devices D D GND Termination Out D D GND Termination Out D D GND Termination In D D GND Connect the ground ter...

Страница 32: ...TCP Settings section Set the Mode to Master then click Save Changes The next step is to add a Modbus Zone Locate the Zone list on the left side of the Device Configure page At the top of the list click Add Zone then select Modbus See screen picture below A Modbus Zone will be added to the bottom of the zone list and the Modbus Zone Configure page will appear to the right ...

Страница 33: ...ave device to determine how to changes the slave ID also referred to as the slave address Host TCP devices only IP address of slave device from which data is to be read Port TCP devices only Port on which the slave device will send and receive modbus traffic Typically this will be on port 502 Address Register address of the value you want to read from your Modbus slave device Only enter the base p...

Страница 34: ...signed or unsigned If the register size is set to 8 Bit the register at the address specified and the next register address 1 will be combined to form a 16 Bit value 32 Bit Integer Signed integer value 32 bits in length it can be signed or unsigned If the register size is set to 8 Bit the register at the address specified and the contents of the next 3 registers will be combined to form a 32 Bit v...

Страница 35: ...sed by the Sentinel Pro using the following options Sign Select Signed if the value you are reading uses 2 s compliment notation to represent negative values Select Unsigned if no sign data included in the value Scaling Operand Integer values only Use this option to have the value read multiplied or divided by a specified factor For example many Modbus devices used a fixed point integer notation t...

Страница 36: ...t each end of the main run but nowhere else The value of the termination resis tors should match the characteristic impedance of the cable you are using If your Sentinel Pro is at one end of the run its internal termination resistor can be used by setting the Bus Term Switch next to the RS 485 terminal block to the In position If your Sentinel is not at the end of the main run then set this switch...

Страница 37: ...he humidity around the sensor by holding a cup of very hot water beneath the sensor 2 Allow the unit to contact all programmed users This will make sure that the Sensaphone is pro grammed properly It will also prepare personnel to respond appropriately when they receive a message from the Sensaphone 3 Test the battery if installed by unplugging the AC adapter and making sure that the Sensaphone co...

Страница 38: ...Reed Switch FGD 0007 Passive Infra Red Detector FGD 0010 50 two conductor 22AWG shielded Cable FGD 0013 Spot Water Detector FGD 0022 Temp Alert FGD 0027 Humidistat FGD 0049 Smoke Detector with Built in Relay FGD 0052 Humidity 4 20mA Transmitter FGD 0053 24VDC Power Supply FGD 0054 Power Out Alert FGD 0056 Zone Water Detector w Water Rope FGD 0063 Additional 10 Water Rope for FGD 0056 FGD 0065 Carb...

Страница 39: ...e Varistor with fast acting diode clamps Relay Output Rated for 1A 30VAC 1A 30VDC Maximum Data logging 5 minutes to 1 month sampling rate User programmable channel selection Zones 1 12 Battery Input Power LED Indicators Power On steady when the unit is powered on Alarm Off when no alarm exists Ethernet Link and Activity LEDs Online Standby Communication type 10 100 BASE T Ethernet with SSL encrypt...

Страница 40: ... Temperature 32 122 F 0 50 C Operating Humidity 0 90 RH non condensing Storage Temperature 32 140 F 0 60 C Physical Dimensions 5 5 x 5 5 x 1 5 14 cm x 14 cm x 3 8 cm Weight 1 5 lbs 680 grams Enclosure Powder coated aluminum enclosure with tabs for wall or panel mounting ...

Страница 41: ... 27 180 10 15 491 0 9 142 10 5 572 20 3 498 30 2 256 40 1 491 50 1 009 60 697 70 490 80 351 10K Thermistor Data Degrees Celsius Resistance Ohms 50 441 3K 40 239 8K 30 135 2K 20 78 91K 10 47 54K 0 29 49K 10 18 79K 20 12 25K 30 8 194K 40 5 592 50 3 893 60 2 760 70 1 990 80 1 458 90 1 084 100 816 8 120 481 8 130 376 4 140 297 2 150 237 0 ...

Страница 42: ...icing please do the following 1 Unplug the AC power supply from the wall outlet and disconnect all sensors from the alert zones 2 Carefully pack the unit to avoid damage in transit Use the original container if available or a sturdy shipping box 3 You must include the following information to avoid shipping delays a Your name address and telephone number b A note explaining the problem 4 Ship your...

Страница 43: ...43 Appendix F Test Log Appendix F Test Log Alarms ...

Страница 44: ...44 Sentinel Pro Installation and Setup Guide ...

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