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
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