Murphy M2 Installation Manual Download

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General Operation: Thermocouple Remote

– ONE CHANNEL .................................. 23

How to Configure a Thermocouple Remote

– ONE CHANNEL ................................. 25

Sensor Event Retry Counter ...................................................................................... 26

Deep Sleep ................................................................................................................ 27

LED Functionality ...................................................................................................... 30

FCC Compliance & Warnings ................................................................................................. 31

FCC Compliance ........................................................................................................ 31

Warnings .................................................................................................................... 32

Summary of Contents for M2

Page 1: ...00 02 0674 04 15 10 Section 50 M2Wireless GatewayandRemotes Installation Manual ...

Page 2: ...ifications and designs at any time The latest version of this manual can be found at www fwmurphy com Please read the following information before installing BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT Read and follow all installation instructions Please contact FW MURPHY immediately if you have any questions ...

Page 3: ...er Up Remotes Already Added 11 Gateway Power Up Power Input is Less Than 6 1 Volts Greater Than 5 0 Volts 12 How to Ensure the Gateway is Powered Up 12 Prepare Gateway for Learn Operation 12 How to Reset Heartbeat Counters 13 How to Reset the Gateway to Factory Defaults 13 How to Verify the Gateway is Reset to Factory Defaults 13 Installing Remote Units 14 Learn Operation 16 How to Remove a Remote...

Page 4: ...tion Thermocouple Remote ONE CHANNEL 23 How to Configure a Thermocouple Remote ONE CHANNEL 25 Sensor Event Retry Counter 26 Deep Sleep 27 LED Functionality 30 FCC Compliance Warnings 31 FCC Compliance 31 Warnings 32 ...

Page 5: ...y are connected Before you begin Survey the location site and determine the best location for the antenna and remote units For optimal performance the remote units should be placed in clear line of site or unobstructed view to the antenna To improve line of site between remote and Gateway use an appropriate length of conduit to elevate the remote above the sensor ...

Page 6: ... RS485 USB converter is a USB Comi MODBUS configuration software is required for initial setup and activation Listed below are two options that may be downloaded from the following sites Murphy MConfig Software www fwmurphy com support software htm Modbus Interface www calta com Wire cutter stripper Screw driver Conduit if needed to improve line of site between remote and Gateway Teflon tape ...

Page 7: ...y and Antenna Mounting the Gateway page 4 Power page 4 Antenna Mounting page 4 Prepare Laptop for communication USB COMi Setup page 6 PC to Gateway Connection page 7 Download MODBUS configuration software page 8 Gateway Activation Connect laptop PC cable to RS 485 connection on Gateway Launch MODBUS program on laptop Gateway Power Up No Remotes Added Yet page 10 Program the Network Address page 9 ...

Page 8: ... BAT terminals and connecting to a battery or power supply Voltage must be between 8 32 volts DC Antenna Mounting 1 Mount the antenna bracket to the top of the panel or other structure no more than 12 feet away from the Gateway 2 Attach the antenna coax cable to the Primary Antenna connection on the Gateway Feed cable down and outside of the panel through a free conduit hole It is recommended that...

Page 9: ...ATEWAY RF Antenna Connection Attach grounding plane in a horizontal position to a solid metal surface as shown Base of antenna should be 3 6 to 5 6 above ground Antenna should have clear line of sight to remotes for optimal performance ...

Page 10: ...n mode 3 Reassemble the USB COMi 4 Locate the USB cable supplied with the USB COMi Connect the small end of the USB cable into the USB COMi and install the large end of the USB cable into the computer Do not connect USB COMi into a USB Gateway or erratic behavior can result 5 When Windows notifies you that Found New hardware insert the driver CD supplied with the USB COMi into the computer If the ...

Page 11: ...window will open that lets you set the COM port properties Click on Port Settings and then set Bits per second to 115200 but leave Data bits set to 8 Parity to None Stop bits to 1 and Flow control to None Click on OK to save changes 10 Close the device and properties windows ...

Page 12: ... Once the USB COMi USB to EIA 485 converter has been installed and configured on the PC use the following guidelines to connect the PC to the Gateway Connect Pin 1 on USB COMi to Gateway RS 485 B terminal Connect Pin 2 on USB COMi to Gateway RS 485 A terminal ...

Page 13: ...ration software Connect to the internet and download a MODBUS application from one of the following sites Murphy MConfig Software www fwmurphy com support software htm Mdbus Interface www calta com Follow the example below to set up the MODBUS configuration ...

Page 14: ...elay output will be in an alarm condition and the heartbeat LED will flash slowly The Form C relay output will be connected between COM NO The LED will change state every 2 seconds After the first remote has been added to the system the heartbeat LED will flash more quickly Program the Network Address Ensure the Gateway is powered up To enable MODBUS writes send a value of 4660 to MODBUS address 4...

Page 15: ...r at least 10 seconds Turn power to the Gateway back on The Heartbeat LED will start flashing slowly approximately every 2 seconds All of the Output LED s will be off and the Form C output will be connected between COM NO If there is MODBUS communication with the Gateway then the MODBUS LED s will be flashing otherwise they will be off Gateway Power Up Remotes Already Added Turn the power to the G...

Page 16: ...e the voltage across the BAT GND terminals of the power connection inputs The voltage across the BAT GND terminals must be between 8 32 VDC The Heartbeat LED will flash Prepare Gateway for Learn Operation 1 Ensure the Gateway is powered up 2 If necessary Reset the Gateway to Factory Defaults this is required if the Gateway is used at a new location See How to Reset the Gateway to Factory Defaults ...

Page 17: ...60 to MODBUS address 40053 3 On the Gateway write a value of 165 to MODBUS address 40098 4 On the Gateway write a value of 161 to MODBUS address 40098 5 On the Gateway write a value of 163 to MODBUS address 40098 How to Reset the Gateway to Factory Defaults Program Button Method Press and hold the Program button until the COP MISC LED flashes at least ten times and release Turn off Gateway power W...

Page 18: ... is low the Gateway will light up the appropriate LED 1 through 8 1 Loosen the 4 screws and remove the lid to the remote enclosure Take out the PC board and place it onto the lid Set aside for later 2 Place 2 wraps of Teflon tape in a clockwise fashion around threaded connection as shown 3 Run sensor wires into the remote case leaving a few inches of extra wire outside of the case 4 Attach the rem...

Page 19: ...id until the remote has been activated and is recognized by the Gateway NOTE The sensor resistance must be less than 25K Ohm If the sensor is greater than 25K Ohm excessive current will reduce battery life 11 Follow the instructions for Remote Activation Ensure the signal is recognized by the Gateway before replacing the lid in the next step 12 Replace the lid Hand tighten all 4 screws then tighte...

Page 20: ...er than 2 feet apart either unit may experience temporary loss of RF functionality If this occurs simply remove power for at least 30 seconds Subsequent to powering back up verify functionality NOTE Fifteen remotes can be added to the network NOTE In the event a remote has been deleted from the network subsequently adding a new remote will fill in the next available remote location For instance if...

Page 21: ...ated at the Remote indicating that the Learn Operation failed part way through the learn process Gateway The COP MISC LED may continue to flash indicating that the Gateway never received the initial communication packet from the Remote 5 Learn Operation success can be confirmed via the MODBUS map by viewing the following MODBUS registers o Register 8 which holds the Number of Remotes Added will in...

Page 22: ...N THE CORRECT ORIENTATION The thermocouple remote requires two 2 batteries The discrete remote requires one 1 battery 1 You must use an approved battery such as a Tadiran TL 5903 S which is available from digikey com 2 Remove the PCB from the remote enclosure 3 Remove the battery if one is installed 4 In the event a battery was previously installed press the switch for one second to drain any resi...

Page 23: ...0 6 Remote 6 would read from 456 450 6 Writing to a Remote operates the same way For instance Configuration Register 0 CONFIG_0 is located at register 38 Writing to CONFIG_0 requires writing to Remote 1 would write to 238 200 38 Remote 6 would write to 488 450 38 Remote 1 MODBUS Registers 200 249 Remote 2 MODBUS Registers 250 299 Remote 3 MODBUS Registers 300 349 Remote 4 MODBUS Registers 350 399 ...

Page 24: ...the Gateway will buffer a command that will be sent to the remote during the next heartbeat operation This command is stored at register 34 into each remotes address space Therefore the command for Remote 1 would be located at register 234 Remote 2 at register 284 etc IMPORTANT The Gateway will not send configuration information to a remote if a sensor event exists at a remote This is a failsafe t...

Page 25: ... other failure condition Switch State Change When the sensor changes state the remote detects this change and immediately sends a special message to the Gateway alerting it that an event occurred It then waits to receive an acknowledge ACK from the Gateway If an ACK is not received within a specified time period a series of steps are taken to insure the Gateway receives notice that a sensor event ...

Page 26: ...ng the Configuration Registers Follow these steps to program the polarity 1 Confirm that a command for the remote is not already pending o Read register 34 in the Remote s register space and confirm that the value is zero o If the value is not zero then wait until two heartbeats have occurred at which time the value should be zero 2 Enable MODBUS writes by sending a value of 4660 to MODBUS address...

Page 27: ...a heartbeat to the Gateway on a periodic basis which allows the Gateway to detect if a Remote goes offline due to RF communication issues or some other failure condition During the heartbeat operation the Remote s ambient temperature and thermocouple temperature are sent to the Gateway Reading the Thermocouple Input The TC Remote wakes up on a periodic basis and reads the TC inputs If the value is...

Page 28: ...cial message to the Gateway alerting it of that fact It then waits to receive an acknowledge ACK from the Gateway If an ACK is not received within a specified time period a series of steps are taken to insure the Gateway receives notice that a sensor event occurred This continues until the Remote receives an ACK from the Gateway After receiving an ACK from the Gateway the remote will return to nor...

Page 29: ...o or 150 o If the value is not 0 zero or 150 then wait until two heartbeats have occurred at which time the value should be zero 2 Enable MODBUS writes by sending a value of 4660 to MODBUS address 40053 3 The following configuration values can be set o CONFIG_0 register 38 Thermocouple Type Type K 0 Type J 1 o CONFIG_1 register 39 Sample Frequency Default is 15 seconds Min value is 3 seconds Max v...

Page 30: ...nsor Event Retry Counter The sensor event retry counter is located at MODBUS register 20 into each Remotes MODBUS map Therefore the counter for Remote 1 would be located at register 220 Remote 2 at register 270 etc When a sensor event occurs the Remote transmits this event to the Gateway If this transmission was received by the Gateway then the sensor event retry counter would read 1 one If it too...

Page 31: ...rite a value of 3000 to register 91 2 Reading from register 91 should return a value of 3000 If the value is 5555 then this means that the command was rejected because one or more Remotes had commands buffered Wait two minutes and re issue the Deep Sleep command IMPORTANT It is important that no commands are buffered and waiting to be sent to any of the Remotes See How to Program the Remote Config...

Page 32: ...will not respond to changes in sensor inputs until communication with the Gateway is re established it is imperative that the equipment being protected not be allowed to run until the Gateway indicates that they system is fully operational and the Form C relay output is connected between COM NC Remotes will send heartbeats much less frequently in order to conserve battery life Wakeup from Deep Sle...

Page 33: ...ecause the Gateway is not aware that they system was placed in Deep Sleep mode it is likely that the Gateway will indicate a problem after the 75 second boot up timeout This occurs because the remotes are in a Deep Sleep state and will not send a heartbeat frequently enough to prevent this from happening 1 Power up the Gateway 2 Immediately after power up the Form C output will be connected betwee...

Page 34: ...l toggle slowly It will change state every 2 seconds Remotes added to the network o The LED will turn on for second followed by an off time of 2 seconds Learn Mode o The LED will change state at a rate of second this is a fast blink rate RF system did not initialize o The LED will change state every second this is a very rapid blink rate indicating an error condition COP MISC LED This is used when...

Page 35: ...allation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures o Reorient or relocate the receiving antenna o Increase the separation between the equipment and receiver o Connect the equipment into an outlet on a...

Page 36: ...e there is normally at least a 12 inch separation between the antenna and all persons NOTE The remote contains an internal antenna while the Gateway uses an external antenna Do not co locate and operate in conjunction with any other antenna antenna cable or transmitter Changes or modifications not expressly approved by Recognition Source could void the user s authority to operate this equipment ...

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