Laurel-electronics LTM CTR SERIES PULSE, AC or PROCESS TOTALIZER INPU Manuale Utente

LTM “CTR” SERIES TRANSMITTERS PULSE, AC or PROCESS TOTALIZER INPUT, SERIAL DATA OUTPUT OWNERS MANUAL LAUREL Electronics Inc. 3183

- - 10 - In the Establish Communications screen, select your Com Port and 9600 as the Baud Rate. You will be able to change your protocol and ba

- - 11 - Click on Counter => Get Setup to retrieve the current setup information from your counter transmitter, then on View =

- - 12 - Click on the Filter tab to set to set up filtering for your readings. Click on the Relay Alarms tab to set up your transmitter’s tw

- - 13 - Click on the Communication tab to view the communication parameters that you used to establish default communications wi

- - 14 - ADDITIONAL FEATURES • The Commands pull-down menu allows you to execute certain functions by using your computer mouse. Th

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

- - 16 - 8. OPENING YOUR TRANSMITTER CASE WHEN TO CHANGE JUMPERS Most users will never have the need to open the transmitter case.

- - 17 - 9. DUAL CHANNEL PULSE OR AC INPUT SIGNAL CONDITIONER BOARD This signal conditioner board is used for the frequency, rate, period

- - 18 - Function Block Jumper Setting Frequency Response A0 & B0 - b a 1 MHz max 30 kHz max 250 Hz max Bias Resistor A1 & B1 a b 10 k

- - 19 - • Rates A+B, A-B, AxB, A-B, A/B, A/B-1 (Extended counter) can output arithmetic combi-nations of Rates A and B (Item #1), Ra

- - 2 - 1. ORDERING GUIDE, LTM “CTR” SERIES TRANSMITTERS Configure a model number in this format: LTM600VF1, CBL04 LTA Transmitter with serial

- - 20 - together and selecting a positive or negative edge to start (Slope A) and the opposite polarity edge to stop (Slope B). If multiple

- - 21 - 10. V-TO F CONVERTER SIGNAL CONDITIONER BOARD This process receiver signal conditioner board converts 0-1 mA, 4-20 mA or 0-

- - 22 - 11. QUADRATURE SIGNAL CONDITIONER BOARD This signal conditioner can be used for quadrature position (Basic or Extended main board) o

- - 23 - Phase for Up Count E7 A positive, negative B transition (A leads B) A positive, positive B transition (B leads A) none a Count-by Op

- - 24 - 12. MAIN BOARD JUMPER SETTINGS E1E4E6E3E2abc ababcdabcd Serial Signal Duplex Jumpers Termination Resistor* Full None E6 a = Transmi

- - 25 - 13. DUAL RELAY OPERATION The optional dual solid state relays can operate in a basic alarm mode, in a hysteresis band mode, or in

- - 26 - band is often used to minimize relay chatter. A wide hysteresis band can be used for on-off control applications. The hys

- - 27 - Calibration of the quartz crystal is easily accomplished using Instrument Setup software. Select Calibration from the Main Menu. A

- - 28 - 17. MODBUS PROTOCOL TRANSMITTER COMMUNICATIONS 1.0 GENERAL The Modbus capability conforms to the Modbus over Serial Line

- - 29 - 4.0 COMMUNICATIONS SETUP Parameters selectable via Instrument Setup software, distributed on CD ROM: Serial Protocol ...

- - 3 - 2. TABLE OF CONTENTS 1. ORDERING GUIDE, “CTR” SERIES TRANSMITTERS ... 2 2. TA

- - 30 - FC08: Diagnostics Checks communications between the Master and Slave, and returns the count in the Modbus Slave counters (which are rese

- - 31 - 6.0 SUPPORTED EXCEPTION RESPONSE CODES Code Name Error Description ---- -------------------- ----------------------------

- - 32 - 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*

- - 33 - 18. CUSTOM ASCII PROTOCOL TRANSMITTER COMMUNICATIONS 1.0 SERIAL COMMUNICATION FORMAT The Custom ASCII serial communication format

- - 34 - Values are transmitted in a continuous string with no intervening spaces. If the 5th digit in is set to 1 using Instrument Setup s

- - 35 - Char # Character Description 1 2 3 4 * 0-V A-Z 0-U Command Identifier. Recognition Character. Device Address. 0 addresses all devices,

- - 36 - Peak value reset *1C3 Remote display reset *1C4 Valley reset *1C9 Tare function *1CA Tare reset *1CB 6.0 RE

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

- - 38 - 19. “CTR” TRANSMITTER SPECIFICATIONS Mechanical Case Dimensions ...

- - 39 - DUAL CHANNEL SIGNAL CONDITIONER Crystal Accuracy at 25ºC...

- - 4 - 3. INTRODUCTION, “CTR” SERIES TRANSMITTERS This manual covers “CTR” Series DIN rail transmitters with an isolated serial data output a

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

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

- - 6 - 6. TRANSMITTER FIELD WIRING SignalconditionerboardP3 Solidstate relaysP1 PowerinputP6 Signalinput &excitationoutputP2 Serialdat

- - 7 - P6 - SIGNAL INPUT DETAILExcitation return 1+ Excitation 2- Signal input 3+ Signal input 42-Wire Process Transmitter+-Excitati

- - 8 - 7. PROGRAMMING YOUR TRANSMITTER OVERVIEW Our transmitters are easily programmed using a PC with an RS232 port and Instrument Setup (IS

- - 9 - In the Communications Setup screen, select the Custom ASCII as the protocol, as this is the factory default setting. Select Transmitter