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970.484.6510

8

  Modbus Communication

Table 8.3

Output Registers

Register

Name

Description

Units

Range

40001

Leak Threshold

Trip current for leak alarm

Amps

0-65535

40002

Contamination 

Threshold

Trip current for contamination alarm

Amps

0-65535

40003

Re-Alarm

Re-Alarm delay

Minutes

0-65535

40004

Latched Alarm

Latching Alarms 0=No 

1=Yes

0-65535

40005

Silence Alarm

Set to 1 to silence audible alarm

1=Silence

0-65535

40006

Reset Alarm

Set to 1 to reset alarms

1=Reset 

Alarm

0-65535

40007

Spare

0-65535

40008

Spare

0-65535

40009

Spare

0-65535

40010

Month

Clock  

1-12

0-65535

40011

Day

Clock

1-31

0-65535

40012

Year

Clock

00-99

0-65535

40013

Hour

Clock

0-23

0-65535

40014

Minutes

Clock

0-59

0-65535

40015

Seconds

Clock

0-59

0-65535

40016

Seconds

Leak Alarm Delay

20-3600

0-65535

40017

Seconds

Contamination Alarm Delay

20-3600

0-65535

Содержание LD5100

Страница 1: ...Leak Detection LD5100 User Guide...

Страница 2: ...e trademarks of Raymond Lae Engineering 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 h...

Страница 3: ...to third parties To read our Privacy Policy please visit our website www rletech com Technical Support Personal assistance is available Monday through Friday from 8 00 a m to 5 00 p m MST For more inf...

Страница 4: ...item for return to Seller s factory or for preparation work for field repair or replacement Invoicing of Seller for labor either performed or subcontracted by Purchaser will not be considered as a lia...

Страница 5: ...Cable Interface 22 AC Power Input 23 3 Installation 25 Installing the Unit 25 Connecting the SeaHawk Water Leak Detection Cable SC 25 Securing Cable to the Floor 26 Apply Power to the Unit 27 4 4 20m...

Страница 6: ...n 45 Modify LCD Password 1 45 Zone Setup 2 45 Diagnostics 3 46 Other Main Menu Functions 47 8 Modbus Communication 49 Implementation Basics 49 Modes of Transmission 49 Slave Address Field 49 Function...

Страница 7: ...970 484 6510 7 rletech com C Preventive Maintenance 65 D Troubleshooting 67 E Technical Specifications 71...

Страница 8: ...970 484 6510 8 rletech com Notes...

Страница 9: ...Figure 5 3 LD5100 Main Menu Screen 32 Figure 5 4 LD5100 Default Unconfigured View Zones Menu 33 Figure 5 5 LD5100 Cable Status Screen 33 Figure 5 6 LD5100 Cable Status Screen 35 Figure 5 7 Comm Port...

Страница 10: ...970 484 6510 10 rletech com C Preventive Maintenance 65 D Troubleshooting 67 E Technical Specifications 71...

Страница 11: ...970 484 6510 11 rletech com...

Страница 12: ...970 484 6510 12 rletech com Notes...

Страница 13: ...ut Registers Packet Structure 53 Table 8 5 Input Registers 54 Table 8 6 Status Flags Register 30001 55 Table 8 7 Status Flags Register 30010 55 Table 8 8 Status Flags Register 30011 56 Table 8 9 Statu...

Страница 14: ...970 484 6510 14 rletech com Notes...

Страница 15: ...able and the value as measured by the LD5100 1 2 Operation When the LD5100 s analog circuitry measures a current in excess of the user defined leak threshold the unit s microprocessor computes the dis...

Страница 16: ...1 5 Cable Reference Map Users may purchase a Water Leak Detection Cable Reference Map part FM1114 with their LD5100 Once all the SC cable is installed compare this reference map with the actual cable...

Страница 17: ...2 Type Port2 Addr Port2 Baud Reset Navigate through the menu s with the up down left and right arrows Where indicated on the LCD submenus the left arrow navigates left on menus or cancels any action a...

Страница 18: ...10 1 Product Overview Figure 1 2 LD5100 Enclosure Interior A dedicated circuit breaker must be provided in the building within close proximity to the LD5100 and be clearly marked as the disconnecting...

Страница 19: ...D SETTINGS The LD5100 is comprised of two boards The two boards are accessed when the device s front cover is opened The display board is located on the inside of the door The main board is the large...

Страница 20: ...R39 Contrast This adjustment knob adjusts the 160x160 LCD s contrast Turn the adjustment knob clockwise or counterclockwise to adjust the contrast as necessary 2 1 4 TB1 Input Power This is a factory...

Страница 21: ...LEDs labeled K1Fault and K2Leak are located above TB4 and TB5 in the LED status strip near the center of the main board They indicate the status of the relays On Off The leak detection relay is activ...

Страница 22: ...Leak Detection Cable SC connects to TB7 A 15 foot 4 57m non sensing leader cable part LC KIT is required to connect the LD5100 to the SC cable Connect the cable wires to TB7 as follows TB7 1 White wi...

Страница 23: ...0 VAC 205 250 VAC connection 2 wire ground Connect the ground and power wires to the AC power terminal block Connect the AC power input as follows AC Power Block TB1 1Neutral AC Power Block TB1 2Line...

Страница 24: ...www rletech com 24 970 484 6510 2 Connections and Settings Notes...

Страница 25: ...C The LD5100 requires a leader cable kit part LC KIT purchased separately which includes a 15 foot 4 57m leader cable One end of this leader cable connects into the LD5100 This end of the cable has fo...

Страница 26: ...SC cable J clips are the manufacturer s recommended installation method and can be installed as follows Place one J clip every 3 feet 914m along the length of the SC cable and one at each turn of the...

Страница 27: ...he unit make sure the AC breaker switch is turned off Once the power is turned off strip the end of the AC supply so the three wires inside are exposed Strip the end of the line and neutral wires and...

Страница 28: ...press any key for the main menu Enter the Cable Status menu The cable length is displayed If this reading varies by more than 5 of the actual length of cable installed verify the installation Through...

Страница 29: ...ster This equates to 4mA or normal operation 5 Remove the SeaHawk Leak Detection Cable SC and wait for the unit to activate its cable trouble alarm Measure the DC voltage across the resistor A value o...

Страница 30: ...www rletech com 30 970 484 6510 4 4 20mA Output Testing Notes...

Страница 31: ...INTERFACE 5 1 Default Idle Display When the LD5100 is powered up diagnostics are performed The boot ROM and flash program code are verified While these diagnostics are being performed the following te...

Страница 32: ...The up down left and right arrow keys are used to move the cursor through the display and change corresponding values Key legends are displayed at the bottom of the LCD in submenus The left arrow key...

Страница 33: ...ing an alarm Figure 5 4 LD5100 Default Unconfigured View Zones Menu 5 4 Cable Status The Cable Status option displays the Cable Status screen This screen shows information about the SeaHawk Leak Detec...

Страница 34: ...en the Leak Trip Point is passed see 5 8 3 Leak Delay on page 37 for configuration 5 4 6 Leg 1 Resistance Leg1 Res The resistance measured on the first of two legs of the SC cable Primarily used for a...

Страница 35: ...occurred Time is the time at which the event occurred Description is a detail of the nature of the event 5 5 2 Trend Log The Trend Log displays the leakage current on the cable One measurement is tak...

Страница 36: ...Modbus address and packets counters Press Enter to reset all packet counters displayed Figure 5 7 Comm Port Status Screen 5 7 View Map The View Map option displays all currently mapped points of the L...

Страница 37: ...istering for a set amount of time The timer can be set from 5 to 990 seconds 5 8 5 Re Alarm Delay The Re Alarm Delay is a counter that upon expiring will re annunciate the last silenced alarm conditio...

Страница 38: ...causing alarms The Cable Test Relay will stay on for 300 seconds and a counter will be displayed 5 8 12 Restore Defaults The Restore Defaults option will reset all configurations back to the original...

Страница 39: ...n will appear on the main screen Zones are configured by entering the starting distance for the zone followed by the zone label The zone s end boundary is set by the next zone s starting distance Figu...

Страница 40: ...s 1200 2400 9600 default or 19200 To set the ports use the up and down arrows to navigate to the desired Port Then push the right arrow to select the field Use the up and down arrows to select the des...

Страница 41: ...a leak when given a linear distance To help alleviate this problem identify a series of easily accessible evenly spaced points along the cable length Number the points and record their locations on th...

Страница 42: ...e of water around the cable at one of the previously mapped points The LD5100 produces a short beep within approximately 30 seconds The LCD displays the LD5100 s calculated distance to the leak Remove...

Страница 43: ...for more information regarding the commands in this section 7 1 Boot Up Make sure the EIA 232 port is connected to a PC or terminal with a straight through cable not provided Run terminal emulation s...

Страница 44: ...970 484 6510 7 EIA 232 Interface Figure 7 1 EIA 232 Bootup Screen 7 2 Main Menu Once the system is entirely booted press the Enter key on your PC or terminal to display the Main Menu Figure 7 2 EIA 23...

Страница 45: ...users to configure zones Zones are lengths of cable that may have a label or description associated with them Zones begin by the Zone Distance or starting length and end with the next zone s beginnin...

Страница 46: ...Readings 1 Selection 1 displays the current cable readings including both cable length and any present current leakage Set 4 20mA Output 2 Selection 2 allows a user to manually set the 4 20mA output t...

Страница 47: ...m History Log CH Clear Alarm History CH clears the Alarm History Log TD Trend Data Table TD displays the Trend Data Table which monitors and displays leakage current CT Clear Trend Data Table CT clear...

Страница 48: ...www rletech com 48 970 484 6510 7 EIA 232 Interface Notes...

Страница 49: ...for multiple devices on a multi drop network The LD5100 is a slave only device and will never initiate a communications sequence 8 1 1 Modes of Transmission The Modbus protocol uses ASCII and RTU mode...

Страница 50: ...eck Checksum Field The checksum field lets the receiving device determine if the packet has transmission errors The LD5100 RTU mode uses a 16 bit cyclic redundancy check CRC 16 8 1 2 Exception Respons...

Страница 51: ...e Read Output Registers request packet specifies a start register and the number of registers to read The start register is numbered from zero 40001 zero 40002 one etc Table 8 2 Read Output Registers...

Страница 52: ...rm Latching Alarms 0 No 1 Yes 0 65535 40005 Silence Alarm Set to 1 to silence audible alarm 1 Silence 0 65535 40006 Reset Alarm Set to 1 to reset alarms 1 Reset Alarm 0 65535 40007 Spare 0 65535 40008...

Страница 53: ...the number of registers to read The start register is numbered from zero 30001 zero 30002 one etc Table 8 4 Read Input Registers Packet Structure Read Registers Request Packet Read Registers Response...

Страница 54: ...t Level Status None 0 65535 30017 Modbus Zone4 Distance Location of leak Ft Meters 0 65535 30018 Modbus Zone5 Status Bit Level Status None 0 65535 30019 Modbus Zone5 Distance Location of leak Ft Meter...

Страница 55: ...Bit Description 00 1 Leak is Detected 01 1 Cable Break Alarm 02 1 Contamination is detected 03 15 Spare Table 8 7 Status Flags Register 30010 Bit Description 00 1 Zone1 01 1 Zone2 02 1 Zone3 03 1 Zone...

Страница 56: ...escription 00 1 Not enabled 01 1 Enabled b1 MBZ2 02 1 MBZ3 03 1 MBZ4 04 1 MBZ5 05 1 MBZ6 06 1 MBZ7 07 1 MBZ8 08 1 MBZ9 09 1 MBZ20 10 1 MBZ11 11 1 MBZ12 Table 8 9 Status Flags Register 30012 30033 Bit...

Страница 57: ...ters a byte count and the data to write to the registers The register is numbered from zero 40001 zero 40002 one etc Table 8 11 Preset Multiple Registers Packet Structure Preset Registers Request Pack...

Страница 58: ...m Register Values 40001 0000 hex 40002 0000 hex 40003 0001 hex Table 8 12 Query Sample Slave Address Function Code Starting Register Msb Starting Register Lsb Numbers of Registers Lsb Number of Regist...

Страница 59: ...ore an upload can be preformed To erase the code type the ERASE PRGM command After a second or so the screen will display OK Next type the LOAD PRGM XMODEM command This will upload the new firmware fi...

Страница 60: ...www rletech com 60 970 484 6510 A Updating Firmware Notes...

Страница 61: ...ave units connected to it B 1 Connecting Distance Read Panels to the LD5100 When using the LD5100 as a Modbus master the slave unit s must be wired to the EIA 485 port 1 TB3 Port 2 TB2 on the LD5100 c...

Страница 62: ...can be up to 15 characters long including spacing 6 Move the cursor down one space to the number two position press Enter 7 Press either the UP or DOWN arrow to select the Slave option for the addres...

Страница 63: ...the Enter key 3 Push the DOWN arrow to change the type from Modbus Slave to Modbus Master press Enter to save the changes 4 Connect the straight through male female DB 9 serial cable from your laptop...

Страница 64: ...a label to that field type L2 then press Enter You can enter the label desired for that Slave device You can enter 15 characters per label including spaces 12Repeat steps 7 9 to configure any remainin...

Страница 65: ...ove the end of line terminator 6 Verify the Cable Break alarm on the control panel 7 Reinstall the end of line terminator 8 Verify that the LD5100 returns to normal Monitor the cable current monthly t...

Страница 66: ...www rletech com 66 970 484 6510 C Preventive Maintenance Notes...

Страница 67: ...minal block TB1 pins 1 and 2 If no voltage is present across these pins the Power board has failed Contact RLE Technologies for replacement If voltage is present and no LED s are illuminated contact R...

Страница 68: ...d Remove the four conductors from the leader cable wire going into the four position terminal block Install a jumper wire between pins 1 and 2 and another jumper wire between pins 3 and 4 Reinstall th...

Страница 69: ...ne terminator at the end of the first section of SC cable Turn power back on at control panel Once the control panel runs for five to ten minutes use a damp cloth rag or paper towel and place it on th...

Страница 70: ...www rletech com 70 970 484 6510 D Troubleshooting Notes...

Страница 71: ...6m 0 25 of the cable length Detection Response Time 5 990sec software adjustable in 5sec increments 2sec Outputs Analog 4 20mA Loop Powered 18 36VDC RL 500 max Relay 2 Form C Leak Relays 2 Form C Cab...

Страница 72: ...backlit LCD adjustable contrast Push Buttons Right left up down enter LED Indicators Power Status 1 bi color green power on red alarm Operating Environment Temperature 32 to 122 F 0 to 50 C Humidity 5...

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