Laurel-electronics LTE SERIES TRANSMITTERS ANALOG INPUT Manuel d'utilisateur

LTE SERIES TRANSMITTERS Analog Input, Ethernet & Isolated 4-20 mA Outputs USER MANUAL LAUREL Electronics Inc. 3183-G Airwa

- 10 - 8. PROGRAMMING YOUR TRANSMITTER OVERVIEW LTE transmitters are easily programmed by connecting them to the same LAN as a PC or by connecting

- 11 - Upon clicking on Ethernet for the first time, you may be presented with the Windows Security Alert shown below. Click on Unblock, and IS

- 12 - Click on the Device Discovery tab, and all Devices attached to your Node will be listed. With an LTE transmitter, the transmitter will be the

- 13 - Click on the Advanced Settings tab, and you will be given the opportunity to change the Node’s TCP and UDP Port settings. Press Get to retrie

- 14 - To reach the above Input+Display tab screen, follow this procedure: 1) Highlight your device under the Device Discovery tab. 2) Click on th

- 15 - Click on the Scaling tab to scale your transmitter. You will be given the choice of three scaling methods: 1) Scale and Offset method, 2) Coo

- 16 - Click on the Relay Alarms tab to set up your transmitter’s two solid state relays, which are standard. Press the F1 key for help with any

- 17 - PULL-DOWN MENU FEATURES • The File pull-down menu allows you to save setup files to disk by pressing on Save Setup and to open setup files fr

- 18 - Graph • The Jumpers pull-down menu shows jumper positions for the selected signal conditioner boards and the main board, duplica

- 19 - 9. OPENING YOUR TRANSMITTER CASE WHEN TO CHANGE JUMPERS Most users will never have the need to open the transmitter case. Our t

- 2 - 1. ORDERING GUIDE Configure a model number in this format: LTE20DCV1 Transmitter Type LTE... Ethernet and isolated 4-20 mA, outputs, two 1

- 20 - 10. DC SIGNAL CONDITIONER BOARD JUMPER SETTINGS Five voltage and four current ranges are jumper selectable. These also have to

- 21 - 11. AC RMS SIGNAL CONDITIONER BOARD JUMPER SETTINGS Five voltage and four current ranges are jumper selectable. These also have to be select

- 22 - 12. LOAD CELL SIGNAL CONDITIONER BOARD JUMPER SETTINGS Five ranges are jumper selectable. These also have to be selected in Instrument Setup

- 23 - 14. RTD & OHMS SIGNAL CONDITIONER BOARD JUMPER SETTINGS The standard RTD and resistance signal conditioner board can be configured via j

- 24 - 15. DUAL RELAY OPERATION Dual solid state relays are standard and can operate in a basic alarm mode, in a hysteresis band mode, or in

- 25 - 16. INPUT SIGNAL FILTERING A moving average filter is selectable in software to process the internal digital readings, which are taken a

- 26 - 19. MODBUS PROTOCOL TRANSMITTER COMMUNICATIONS 1.0 GENERAL The Modbus capability conforms to the Modbus over Serial Line Specif

- 27 - 4.0 SUPPORTED FUNCTION CODES FC03: Read Holding Registers Reads internal registers containing setup parameters (Scale, Offset, Setpoints, etc

- 28 - Hex Sub Function Code Data Send Response Data Description 00 00 Any Same as sent Returns Query Data (N x 2 bytes). Echo Request. 00 01 FF 0

- 29 - 5.0 SUPPORTED EXCEPTION RESPONSE CODES Code Name Error Description ---- -------------------- ----------------------------------

- 3 - 2. TABLE OF CONTENTS 1. ORDERING GUIDE ...

- 30 - Modbus ASCII Format Byte Number FC Action 1 2 3 4 5 6 7 8 9 10 11 12 13 03 03 Request Response : : MA MA FC FC RA NB RA DD* NR DD

- 31 - 20. CUSTOM ASCII PROTOCOL TRANSMITTER COMMUNICATIONS 1.0 SERIAL COMMUNICATION FORMAT Mode ... Full Duplex (Separate tran

- 32 - listing and analysis, or when data is supplied to a Remote Display in a Master-Slave confi-guration. Values are transmitted in

- 33 - All commands begin with “*” followed by the meter address, then a command letter followed by a sub-command number or letter. Additional charac

- 34 - Reset Functions, DPM Transmitter Cold reset *1C0 Reads NVMEM into RAM locations after RAM is zeroed. Latched alarms reset *1C2 Pe

- 35 - General, Reading and Writing Ram Memory Data RAM memory data is read and written as a continuous string of bytes consisting of

- 36 - 21. SPECIFICATIONS, LTE SERIES ANALOG INPUT TRANSMITTERS Mechanical Case dimensions...

- 37 - Input Signal Noise Rejection CMV, DC to 60 Hz...

- 38 - Load Cell & Microvolt Input Range Input Resistance Input Error ±20.000 mV ±50.000 mV ±100.00 mV ±250.00 mV ±500.00 mV 1 GΩ 0.01% of FS ±

- 39 - Over-voltage protection ...125 Vac Open sens

- 4 - 3. COMPLEMENTARY MANUALS This manual covers LTE Series DIN rail transmitters with isolated Ethernet and 4-20 mA outputs, dual relays, and a

- 40 - 22. WARRANTY Laurel Electronics Inc. warrants its products against defects in materials or workmanship for a period of one year from the dat

- 5 - 4. PRODUCT OVERVIEW LTE Series transmitters duplicate the signal conditioning and signal processing features of their 1/8 DIN panel-mounted

- 6 - 5. RECEIVING & UNPACKING YOUR TRANSMITTER Your transmitter was carefully tested and inspected prior to shipment. Should the transmitter b

- 7 - 7. LTE TRANSMITTER MAIN BOARD JUMPERS & FIELD WIRING P4 Analogoutput (standard) P3 Solid staterelays (normallyopen, standard)P5 Signal

- 8 - P6 - SIGNAL INPUT DETAIL2-Wire Process Transmitter+-Excitation return 1+ Excitation 2- Signal input 3+ Signal input 4DC & Exter

- 9 - The Ethernet connector for all of our Ethernet Nodes is provided by an RJ45 jack, Green and amber LEDs on the jack indicate net