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MTT MS3900 Series User Manual

Isolated signal conditioning system

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Thank you very much for employing MTT products.
Upon receipt of the product(s) please check the affixed label to make sure the specifications
shown therein conform to your requirements. If you find any discrepancies and/or any damage
on the product(s), please contact MTT or its local representatives.
You can be assured that all the MTT products are manufactured according to the strict quality
control standards.
WARRANTY PERIOD
MTT's hardware products are warranted for a period of seven (7) years from the
date of shipment.
WARRANTY SCOPE
1) MTT warrants that its hardware products are free from defects in materials and
workmanship and conform to its product specifications.
2) MTT ships the products under its appropriate quality management system and
quality control, but does not warrant, expressed or implied, that the operation,
output, or indication of the hardware will be uninterrupted or error free. MTT shall
not be liable and make no warranty for any damage to or any safety or
performance trouble in the customer's or any other third party's equipment if the
operation, output, or indication is interrupted or faulty.
3) If, during the warranty period, the product proves to be defective when used in
accordance with the relevant user's manual, the product will be repaired or
replaced.
4) This warranty does not apply to any malfunction or failure resulting from the
following:
1. Improper or incomplete maintenance or calibration,
2. Any other cause, which does not relate with the delivered product,
3. Modification or repair by any person other than MTT, and
4. Natural disasters or other unavoidable accidents, for which MTT is not liable.
https://mtt.co.jp
User's Manual
MS3900 Series
Isolated Signal Conditioning System
WARRANTY PERIOD AND SCOPE
MQDDK-110722 Rev. 3.00

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Summary of Contents for MTT MS3900 Series

  • Page 1 If you find any discrepancies and/or any damage on the product(s), please contact MTT or its local representatives. You can be assured that all the MTT products are manufactured according to the strict quality control standards.
  • Page 2: For Safe Operation

    The manual should be retained for future reference. Please also refer to the relevant product specification sheets. 2. For Safe Operation Be sure to observe the following safety clauses in your operation of the instrument(s). MTT cannot undertake any responsibility and guarantee for any damage and/or loss caused by improper operation contrary to or neglecting these clauses.
  • Page 3: On Power Supply

    User’s Manual for MS3900 Series Isolated Signal Conditioning System 3. Precautions Be sure to observe the following precautions to ensure proper operation of the product. If these precautions are disregarded, the performance of the product cannot be guaranteed. For Handling: This is a precision instrument.
  • Page 4 User’s Manual for MS3900 Series Isolated Signal Conditioning System To Avoid Erroneous Measurements: In order to reduce the influence of noise, the input/output wire and power supply wire should not be used in ■ a same bundle or same conduit. They should be installed separately with a minimum distance of 200 mm.
  • Page 5 RC3900A The RC3900A is a chassis intended for installation of any MS3900 series signal conditioning modules. The chassis has a backplane inside it, thereby allowing externally supplied power to be distributed to each of the modules mounted, and I/O signals from these modules to be accessed via the terminal blocks and to be delivered to your computer via the connectors.
  • Page 6 User’s Manual for MS3900 Series Isolated Signal Conditioning System 5. Parts Names Signal Conditioning Module I/O Connectors Module Fixing Screw CONNECTOR-1: FFC-6LBW1B (HTK) CONNECTOR-2: FFC-10LBW1B (HTK) ZERO Trimmer SPAN Trimmer Chassis Chassis for Input Modules: OUTPUT TB (M3.5 Screw) Power-On Indicator LED Chassis for Output Modules: INPUT TB (M3.5 Screw)
  • Page 7 User’s Manual for MS3900 Series Isolated Signal Conditioning System 6. Connections 6-1. Field-Side Connections Field-side connections for each signal conditioning module should be made to the terminal blocks on the RC3900A chassis. For terminal assignments for each model, refer to section 7.
  • Page 8 User’s Manual for MS3900 Series Isolated Signal Conditioning System 6-3. Power Connections All MS3900 series signal conditioning modules require a 24V DC power. This power shall be supplied to the RC3900A chassis. This allows the required voltage to be distributed through its backplane to all modules mounted in the same chassis.
  • Page 9 User’s Manual for MS3900 Series Isolated Signal Conditioning System 6-4. Signal Conditioning Modules and Pin Assignments – Input Modules MS3901 MS3902/72 9 ① ① + + OUTPUT1 OUTPUT1 ② ② - - ③ ③ + + OUTPUT2 OUTPUT2 ④ ④...
  • Page 10 User’s Manual for MS3900 Series Isolated Signal Conditioning System (w/ 3-wire power supply) MS3909 MS3909 MS3910 ① + ① ① - + + + INPUT OUTPUT1 OUTPUT1 OUTPUT1 ② ② ② - - - ③ ③ ③ INPUT + +...
  • Page 11 User’s Manual for MS3900 Series Isolated Signal Conditioning System 6-5. Signal Conditioning Modules and Pin Assignments – Output Module MS3954 9 ① + + OUTPUT INPUT ② - - ③ OPN.C ④ D.G. 2 1 ⑤ + ⑥ - 24V DC POWER ⑥...
  • Page 12 User’s Manual for MS3900 Series Isolated Signal Conditioning System 7. I/O and Power Connections to Chassis 1) RC3900-16AI-AU/D1-R (wall mounting), RC3900-16AI-AU/D1-D (DIN rail mounting), RC3900A-16AI-AU/D1-R (wall mounting), and RC3900A-16AI-AU/D1-D (DIN rail mounting) The figure below shows the connections to RC3900-16AI-AU.
  • Page 13 User’s Manual for MS3900 Series Isolated Signal Conditioning System 2) RC3900-16AO-AU/D1-R (wall mounting), RC3900-16AO-AU/D1-D (DIN rail mounting), RC3900A-16AO-AU/D1-R (wall mounting), and RC3900A-16AO-AU/D1-D (DIN rail mounting) The figure below shows the connections to RC3900-16AO-AU. Field Signal Connections Power Connections Modules RC3900...
  • Page 14 User’s Manual for MS3900 Series Isolated Signal Conditioning System 3) RC3900-08AI-AU/D1-R (wall mounting), RC3900-08AI-AU/D1-D (DIN rail mounting), RC3900A-08AI-AU/D1-R (wall mounting), and RC3900A-08AI-AU/D1-D (DIN rail mounting) The figure below shows the connections to RC3900-08AI-AU. NOTE: The MS3905 cannot be mounted in RC3900-08AI-AU/D1-R or RC3900-08AI-AU/D1-D.
  • Page 15 User’s Manual for MS3900 Series Isolated Signal Conditioning System 4) RC3900-08AO-AU/D1-R (wall mounting), RC3900-08AO-AU/D1-D (DIN rail mounting), RC3900A-08AO-AU/D1-R (wall mounting), and RC3900A-08AO-AU/D1-D (DIN rail mounting) The figure below shows the connections to RC3900-08AO-AU. Field Signal Connections Power Connections Modules RC3900...
  • Page 16 User’s Manual for MS3900 Series Isolated Signal Conditioning System 5) RC3900A-04AI-AU/D1-R (wall mounting) and RC3900A-04AI-AU/D1-D (DIN rail mounting) The figure below shows the connections to RC3900A-04AI-AU. Power Connections Field Signal Connections Modules RC3900 + POWER Power Terminals - MS3902 MS3972 +...
  • Page 17 User’s Manual for MS3900 Series Isolated Signal Conditioning System 6) RC3900A-04AO-AU/D1-R (wall mounting) and RC3900A-04AO-AU/D1-D (DIN rail mounting) The figure below shows the connections to RC3900A-04AO-AU. Field Signal Connections Power Connections Modules RC3900 POWER Power Terminals RC3900 POWER Power -...
  • Page 18 User’s Manual for MS3900 Series Isolated Signal Conditioning System 7) RS3900-01TB-AU/D1-R (wall mounting), RS3900-01TB-AU/D1-D (DIN rail mounting), RS3900A-01TB-AU/D1-R (wall mounting) and RS3900A-01TB-AU/D1-D (DIN rail mounting) The figure below shows the connections to RS3900-01TB-AU-D. NOTE: The MS3905 and MS3954 cannot be mounted in RS3900-01TB-AU/D1-R or RS3900-01TB-AU/D1-D.
  • Page 19 Adjustment of signal conditioners requires technical expertise and fine craftsmanship. We recommend that you use adjustment service of MTT to save costs and ensure accuracy. Please contact MTT or its local representatives. Just for your reference, the adjustment procedures are described below.
  • Page 20 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-2. Adjustment for MS3902 (1) Connect the module as illustrated below. (2) Adjust the resistance source to generate a signal equivalent to 0% of the input range of the module. (3) Slowly turn the ZERO Trimmer to get 0% output while applying 0% input as above.
  • Page 21 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-4. Adjustment for MS3906 (1) Connect the module as illustrated below. (2) Adjust the voltage source to generate a signal equivalent to 0% of the input range of the module. (3) Slowly turn the ZERO Trimmer to get 0% output while applying 0% input as above.
  • Page 22 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-6. Adjustment for MS3908 (1) Connect the module as illustrated below. (2) Adjust the pulse generator to generate a signal equivalent to 10% of the input range of the module. (3) Slowly turn the ZERO Trimmer to get 10% output while applying 10% input as above.
  • Page 23 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-8. Adjustment for MS3920 (1) Connect the module as illustrated below. (2) Adjust the AC signal source to generate a signal equivalent to 10% of the input range of the module.
  • Page 24 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-10. Adjustment for MS3929 (1) Connect the module as illustrated below. (2) Adjust the voltage or current source to generate a signal equivalent to 0.5% of the input range of the module.
  • Page 25 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-12. Adjustment for MS3971 Adjustment is performed with configuration software “Set3x7x”. Refer to the software manual and follow these steps: (1) Connect the module as illustrated below. Use an optional serial cable, MS-CBL01 for connection to your AT-compatible PC.
  • Page 26 User’s Manual for MS3900 Series Isolated Signal Conditioning System 8-1-14. Adjustment for MS3973 Adjustment is performed with configuration software “Set3x7x”. Refer to the software manual and follow these steps: (1) Connect the module as illustrated below. Use an optional serial cable, MS-CBL01 for connection to your AT-compatible PC.
  • Page 27 User’s Manual for MS3900 Series Isolated Signal Conditioning System 9. Using MS3907 as an Isolator RC3900A MS3907 Module Front Panel Toggle Switch + - + - EX POWER EX POWER When used as a When used as an When wired as an...
  • Page 28 User’s Manual for MS3900 Series Isolated Signal Conditioning System 10. Configuring MS3905 Setting Trip Point and Mode of Operation 1. You can use the rotary switches on the front 2. Relay operation without power is factory-set panel to set the trip point you want. Turn on and cannot be changed at the field.
  • Page 29 User’s Manual for MS3900 Series Isolated Signal Conditioning System 11. Setting MS3909 Output Polarity You can use the toggle switch on the front panel to select an output polarity. Refer to the following table for details on the output logic.
  • Page 30 User’s Manual for MS3900 Series Isolated Signal Conditioning System 12. Setting MS3916 Time Constant You can use the time constant setting trimmer on the front panel to set a time constant for first-order delay within the range of time constants you have specified when ordering. The trimmer has scales as shown below.
  • Page 31 User’s Manual for MS3900 Series Isolated Signal Conditioning System 13. MS3971/MS3972/MS3973 13-1. MS3971/MS3972/MS3973 Front Panel Parts Connector for Configurator Status Indicator LED 13-2. LED Status Indicators These models have two LED status indicators: RUN and FAIL. You can identify operating status of the module from these indicators.
  • Page 32 User’s Manual for MS3900 Series Isolated Signal Conditioning System 14. MS3900-TH The MS3900-TH has a toggle switch on its front panel. When you turn this switch on, the internal 250Ω shunt resistor will be connected across the input, and an input signal of 4-20mA will be converted to a 1-5V output.
  • Page 33 User’s Manual for MS3900 Series Isolated Signal Conditioning System 15-2. Wall Mounting Referring to the dimensions shown below, mount the chassis on a wall with four screws. RC3900-16AI/AO-AU/D1, RC3900A-16AI/AO-AU/D1 PS3900 POWER RC3900-08AI/AO-AU/D1, RC3900A-08AI/AO-AU/D1 RC3900A-04AI/AO-AU/D1 MQDDK-110722 Rev. 3.00...
  • Page 34 User’s Manual for MS3900 Series Isolated Signal Conditioning System RS3900-01TB-AU/D1-R 2-4.5Φ 15-3. Installing/Removing a Signal Conditioning Module Installing a module 1. Insert the module straight into the slot, along the 2. Tighten the fixing screw to secure the module guide.
  • Page 35: Installation Position

    User’s Manual for MS3900 Series Isolated Signal Conditioning System 15-4. Installation Position MS3900 modules should be installed as shown in the sketch below, namely, in such a position that the label on the front panel is readable in the right direction.
  • Page 36: Installation Requirements

    User’s Manual for MS3900 Series Isolated Signal Conditioning System 15-5. Installation Requirements (1) For effective heat dissipation, ensure adequate space above and below the chassis. - When there is a floorboard under the chassis, keep a minimum distance of 100 mm from the floor.
  • Page 37: Maintenance And Inspection

    User’s Manual for MS3900 Series Isolated Signal Conditioning System 16. Maintenance and Inspection 16-1. Cleaning When cleaning, wipe the unit gently with a soft cloth, dampened with water. Do not use solvents such as alcohol or benzene. 16-2. Periodic Inspection Check the unit for proper characteristics and settings about once every two years.