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SeaHawk 10K User Guide

800.518.1519

2

Installation and Configuration

If you are installing more than one SeaHawk 10K, use the appropriate pinouts of TB3 and

TB4 to create a daisy-chained Modbus connection.
A grounded shield contact is provided for connection to shielded cable. If the shield contact

is used, verify the power connector is properly grounded and there is no voltage potential

between units on the Modbus network.

Figure 2.11

TB3 and TB4 Power Supply and Communications Connections

4

Set the baud rate for the EIA-485 port using DIP switches 1 and 2 on SW1:

Figure 2.12

DIP Switch Settings for Communications Baud Rate

Note

The EIA-485 port is set to 8 databits, no parity, and 1 stop bit (8, N, 1).

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Содержание SeaHawk 10K

Страница 1: ...User Guide 10K www rletech com RLE Technologies 800 518 1519 User Guide Version 05 22 Documented Using Firmware Version 3 2...

Страница 2: ...ng Inc The products sold by Raymond Lae Engineering Inc are subject to the limited warranty limited liability and other terms and conditions of sale set forth at http www rletech com Revision History...

Страница 3: ...you install a 10K refer to RLE Technologies website www rletech com to ensure you are using the most recent version of all documentation Personal assistance is available Monday through Friday from 8...

Страница 4: ...rletech com SeaHawk 10K User Guide 4...

Страница 5: ...tion Cable 20 Connect Lengths of Sensing Cable 20 Secure Sensing Cable to the Floor 21 Apply Power to the SeaHawk 10K 22 Test the System 22 3 Operation 25 Front Panel Controls and Display 25 Manage Al...

Страница 6: ...6 SeaHawk10K User Guide 800 518 1519 Configure the SeaHawk 10K for Modbus Communications 43...

Страница 7: ...ot Resistance 17 Figure 2 11 TB3 and TB4 Power Supply and Communications Connections 18 Figure 2 12 DIP Switch Settings for Communications Baud Rate 18 Figure 2 13 SW2 DIP Switch Settings for Communic...

Страница 8: ...8 SeaHawk 10K User Guide 800 518 1519...

Страница 9: ...nication 29 Table 4 1 Exception Codes 30 Table 4 2 Read Output Register Packet Structure 31 Table 4 3 Output Registers 31 Table 4 4 Read Input Registers Packet Structure 33 Table 4 5 Input Registers 3...

Страница 10: ...10 SeaHawk 10K User Guide 800 518 1519...

Страница 11: ...llows the activity and status of one or multiple SeaHawk 10Ks to be managed from one central location 1 2 Operation Supervised System The SeaHawk 10K is a supervised system it continually monitors sen...

Страница 12: ...Leak detection cable s amperage value Distance to leak or contamination Length of installed leak detection cable Self test results The two blocks of DIP switches on the SeaHawk 10K s front panel are...

Страница 13: ...r supply 24VDC RLE part PSWA DC 24 ST or 24VAC RLE part WA AC 24 ST SeaHawk Sensing Cable up to 10 000 feet 3048m J Clips Available from other vendors Electrostatic discharge ESD protection 2 2 Physic...

Страница 14: ...wo adjustable orange clips on the bottom Push the clips out to expose two screw holes that allow the device to be mounted in a panel push the clips in to mount it on a DIN rail Figure 2 2 Mount the Se...

Страница 15: ...lock 1 is a Form C relay output This relay enables alarm notification through a local or remote panel master controller or BMS whenever a leak cable fault or cable contamination is detected 1 Insert t...

Страница 16: ...eak or cable problem is no longer present Figure 2 7 DIP Switch 5 SW1 Latched or Unlatched Alarms 2 4 2 TB2 Leader Cable 1 A 15 foot 4 57m section of non sensing leader cable is supplied with each Sea...

Страница 17: ...supply is not included with the SeaHawk 10K and should be purchased separately from RLE An isolated power supply must be provided for the SeaHawk 10K Do not connect 120 230 VAC to the unit or damage...

Страница 18: ...nection to shielded cable If the shield contact is used verify the power connector is properly grounded and there is no voltage potential between units on the Modbus network Figure 2 11 TB3 and TB4 Po...

Страница 19: ...resses Figure 2 13 SW2 DIP Switch Settings for Communications Address 2 4 4 JMP Termination Jumper The termination jumper labeled JMP is located next to TB4 It is used to designate the end of the line...

Страница 20: ...der cable was connected to the SeaHawk 10K in Section 2 4 2 on page 16 The following directions help you connect sensing cable to the SeaHawk 10K 2 6 1 Connect Lengths of Sensing Cable 1 Unscrew the e...

Страница 21: ...cable and one at each turn of the cable Use more J clips if a tighter configuration is required If the cable is installed over an obstruction clip the cable on both sides as close to the obstruction a...

Страница 22: ...for troubleshooting information 6 Press the Test Reset button once to verify the amperage reading For new leak detection cable the amperage will be either 0 or 1 A If the current is higher than 0 or 1...

Страница 23: ...pplications Be careful to wrap the wet cloth loosely around the cable Do not put pressure on the cable IMPORTANT To avoid inaccurate readings do not grip the cable with your hand 3 Verify that the Sea...

Страница 24: ...24 SeaHawk 10K User Guide 800 518 1519 2 Installation and Configuration...

Страница 25: ...aracter LED and series of colored LEDs that are used together to convey device status and information regarding detected leaks and cable faults A blue button is used to cycle the 4 character LED silen...

Страница 26: ...tion 4 character LED displays the distance to the contamination Green LED Power on Green LED Measurements are made in feet Green LED Measurements are made in meters Green LED Microamps of current on c...

Страница 27: ...nce map cross reference the distance with the map 4 Fix the problem fix the leak then dry the area and the section of cable involved in the leak replace broken cable clean contaminated cable Contamina...

Страница 28: ...28 SeaHawk 10K User Guide 800 518 1519 3 Operation...

Страница 29: ...ave Address Field Function Field Data Field Error Check Field Checksum 4 1 1 1 Slave Address Field The slave address field is one byte in length and identifies the slave device involved in the transac...

Страница 30: ...s a 16 bit cyclic redundancy check CRC 16 4 1 1 5 5 1 2 Exception Responses If a Modbus master sends an invalid command to the SeaHawk 10K or attempts to read an invalid register an exception response...

Страница 31: ...ter 2 bytes Cry Checksum 2 bytes Table 4 2 Read Output Register Packet Structure Register Name Description Units Range 40001 Leak Threshold Trip point for leak alarm 25 175 uAmps Default 120 uAmps 0 6...

Страница 32: ...00 4240 Milliohms foot to convert this value to Ohms foot divide the number by 1000 0 65535 40009 AC Rejection Frequency Used by ADC to reject AC powerline frequencies Needed only if the SeaHawk10K is...

Страница 33: ...ytes CRC Checksum 2 bytes Table 4 4 Read Input Registers Packet Structure Register Name Description Units Range 30001 Status Bit level status None 0 65535 30002 Leak Distance Location of leak Ft Decim...

Страница 34: ...place decimal value This register must be viewed and displayed as float inverse Meters 0 0 9999 9 38003 Cable Length Cable length in meters float point displays with a tenths place decimal value This...

Страница 35: ...ht have been introduced to the cable during installation If the cable is older and the amperage reading is above 15 A clean the cable A mild dish detergent solution removes most dirt Isopropyl alcohol...

Страница 36: ...the value in milliohms per foot This milliohms per foot value is your end result and the number you will write to Modbus register 40008 Record this value 7 Access your Modbus enabled system Write the...

Страница 37: ...k 10K to a reference map if available to ensure the SeaHawk 10K displays the correct leak location See Chapter 4 on page 35 for more information about calibrating the leak detection cable 4 Dry the ca...

Страница 38: ...38 SeaHawk 10K User Guide 800 518 1519 5 Preventive Maintenance...

Страница 39: ...maged sensing cable remove the EOL terminator from the end of the cable run and install it onto the end of the leader cable coming from the control panel If the condition clears there is a damaged fau...

Страница 40: ...the sensing cable b Find the junction between the first and second sections of sensing cable Separate the two sections and install the EOL terminator at the end of the first section of sensing cable...

Страница 41: ...be performed using the DIP switches on the front panel If the SeaHawk 10K will be connected to a Modbus equipped monitoring system some of the configuration can be performed using the registers Chapte...

Страница 42: ...A Configuration Reference A 2 DIP SW1 Settings DIP switch 1 manipulates basic configuration settings on the SeaHawk 10K Dip switch 3 in SW1 is unused and should remain in the OFF position Figure A 2...

Страница 43: ...follows for the communications you plan to employ A 3 1 Configure the SeaHawk 10K for Modbus Communications The Modbus address should be a number between 1 and 254 Adjust the individual switches unti...

Страница 44: ...44 SeaHawk 10K User Guide 800 518 1519 A Configuration Reference...

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