The book will be updated from time to time according to improvements made to the product. But if you find a discrepancy between the descriptions in this book and actual operation, and need help, contact TLV. SC-F70 SC-F70 ...
3. A mounting hardware set (2 brackets) 4. The Operating Instructions for Communications (When communication feature is specified) If the model code differs from your order, or accessories are missing or damaged, please contact TLV immediately. SC-F70 SC-F70 ...
Running in Remote Mode mode (see page 38). ∑ Runs using alarms, transmission output, or Using Other Functions communications (see page 45). ∑ Resolves problems you may encounter (see page Troubleshooting 64). SC-F70 SC-F70 Pressure Control Operating Instructions...
You can go to "1.3 Attaching to the Panel" directly. 1. Measurement input uses current mode, or the sensor to be used is a Danfoss type MBS33M obtained from TLV. 2. Remote analog setting operation is not used.
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Measurement Input Selection Jumper Current Input Voltage Input Voltage Input (Low) (High) [Figure 2. Jumper Setting Guide] 5. Restore the body into the case, and make sure it latches firmly at the stopper. SC-F70 SC-F70 Pressure Control Operating Instructions...
These figures show the sizes of the controller and the panel cut needed to fit the controller in millimeters (in inches). 12 (0.472") 100 (3.937") Panel Cut Sizes +0.8 +0.031" 25 (0.984") or more (3.622 ) 96 (3.780") -0" SC-F70 SC-F70 Pressure Control Operating Instructions...
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5. Repeat steps 3 and 4 to insert the other bracket on the bottom of the controller and fasten it in place. Fastening Screw Bracket Leg Insert [Figure 1] [Figure 2] SC-F70 SC-F70 Pressure Control Operating Instructions...
If the signal source is grounded, ground only the side closest to the signal source. Controller Signal source b. If the signal source is not grounded, ground the controller side. Signal source Controller SC-F70 SC-F70 Pressure Control Operating Instructions...
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2.) It will take about 3 seconds for the controller to prepare for contact output when the power is turned on. When using the controller to send a signal to an external interlock circuit or other circuits, add a delay relay. SC-F70 SC-F70 ...
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0.75 or larger * American Wire Gage Warning Do not turn on power supply to the value with which this controller will be used until instructed to do so in section 3.1 "Test Operation". SC-F70 SC-F70 Pressure Control Operating Instructions...
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The next diagram shows a minimum configuration and its wiring. This is the simplest configuration in which basic operations can be performed: Using the MBS33M sensor, manufactured by Danfoss, shipped with the controller from TLV. (Other possible connections are shown on the next page.) Sensor Terminal...
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Current output HIGH power source 4-20mA 4-20mA 4-20mA+DC24V 0-5V 0-20mA 1-5V 4-20mA 0-10V No.4 Alarm Terminals 0-10mV Relay contact 0-100mV 0-1V output No.2 Transmission Output Terminals Current output 4-20mA [Figure 2. Full Configuration] SC-F70 SC-F70 Pressure Control Operating Instructions...
This chapter shows how to use the keys and how to read messages displayed on the LEDs, and explains how to enter the necessary data. 2.1 Names and Functions on the Panel : LED Display : Keys SC-F70 FAIL DISP A.SEL AREA...
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∑ Refers to or sets a parameter group Parameter key PARA ∑ Registers the new setting Enter key ∑ Increments a setting value Up key ∑ Decrements a setting value Down key ∑ Changes operation modes Mode key MODE SC-F70 SC-F70 Pressure Control Operating Instructions...
Go to " Key Operation Flow" on page 21. PARA 5) If you want to know or change the mode of operation: Go to " MODE Key Operation Flow" on page 22. SC-F70 SC-F70 Pressure Control Operating Instructions...
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Key Operation Flow DISP At any time, pressing the key displays the following controller DISP values: Other than DISP status DISP SC-F70 Measurement value 測定値 Target value 目標値 The first digit indicates the area number. DISP A.SEL AREA PARA MODE...
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ENT operation. Other than Works in LOC mode only status A.SEL A.SEL Confirms selection SC-F70 SC-F70 測定値 測定値 Measurement value Measurement value Target value Target value 目標値 目標値 DISP A.SEL...
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AREA each item, and in combination with the keys, you can change these values. Other than status AREA AREA SC-F70 SC-F70 SC-F70 Target value New Target value New Target value 目標値 新目標値 新目標値...
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12 PARA parameter groups. With the keys and the key, you can change the value of the parameter. ENT Other than PARA status PARA ENT SC-F70 SC-F70 SC-F70 ENT Coefficient Bias バイアス 係 数 DISP A.SEL AREA...
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When current mode is LOC/MAN MODE Display state ∑ selects the SC-F70 SC-F70 Measurement value Measurement value mode shown blinking Target value in the set value LED. ∑ 4 modes available DISP A.SEL...
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When current mode is REM/MAN MODE Display state SC-F70 SC-F70 Measurement value Measurement value Target value ENT AUT REM DISP A.SEL AREA PARA DISP A.SEL AREA PARA MODE MODE [New MODE : REM/AUT] MODE Display state SC-F70 SC-F70 Measurement value...
2 Set the controller in LOC mode by referring to " MODE Operation Flow" on page 22. If the REM indicator lamp is off, it is already in LOC mode, so you can omit this step. SC-F70 SC-F70 ...
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3 Press PARA SC-F70 The display changes to: PV: Group number (PG01) SV: Group name (VcGr) FAIL Symbol: Blank DISP A.SEL AREA PARA MODE 4 Press once. SC-F70 The display changes to: PV: Group number (PG01) SV: Content value of the item No.1,...
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6 Press to register the new value. SC-F70 * The decimal point will stop blinking. * If the value contains no decimal fraction, the decimal point next to the last digit will disappear. DISP A.SEL AREA PARA MODE 7 Press to go to the next item.
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[F]. ∑ ∑ ∑ ∑ ∑ If you need to use a pressure unit different from the one specified on the coefficient plate, see "How to Convert Valve Coefficients" on page 53. SC-F70 SC-F70 Pressure Control Operating Instructions...
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Sensor Input Range(DC) 0 - 10mV 0 - 100mV Voltage 0 - 1V Input 0 - 5V High 0 - 5V 0 - 10V 0 - 20mA Current Input 4 - 20mA SC-F70 SC-F70 Pressure Control Operating Instructions...
In test operation, you set the valve control output of the controller manually and observe the valve secondary pressure changes. ® ® ® ® ® Running the Test Operation This procedure describes how to run the controller for test operation. SC-F70 SC-F70 ...
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2. The unit of valve control output becomes percent in MAN mode. ∑ Set the valve control output to 0 %. 1 Press several times until the Symbol Display DISP SC-F70 Measurement value shows OUT. ∑ The display should look as shown at right. INPUT ∑...
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Step Action ∑ Increase the valve control output while observing both SC-F70 the valve's movement and its secondary pressure output. ∑ The example shows that when the value is increased to 45.6%, the secondary pressure becomes 789kPaG. DISP A.SEL AREA...
(If either or both of them are on, set their modes to MAN and LOC, respectively, by referring to "Mode Key Operation Flow" on page 22.) Press AREA SC-F70 The display should look like the example at right. PV: Area group symbol (AG 1) SV: Target setting value (0) Symbol: Symbol of the target setting (SV).
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Step Action ∑ Select AUT mode. Press MODE SC-F70 AUT appears blinking in the SV display part. DISP A.SEL AREA PARA MODE Press SC-F70 The controller switches to AUT mode and turns on the AUT lamp. The display changes to the display state automatically.
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Step Action ∑ Change the target value while the operation is in process. SC-F70 1 Press AREA * The display shown at right appears. DISP A.SEL AREA PARA MODE 2 Press to set the new target value, and SC-F70 press to register the change.
Action ∑ Select LOC/MAN mode. * If you need instruction, see page 22. ∑ Set up the areas. * See page 20. SC-F70 1 Press AREA Target value The panel looks like the example at right: PV: Area group symbol (AG 1)
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Step Action ∑ Select the new area group number you want to use. * Refer to page 19. SC-F70 Press A.SEL * If group 2 is in process, the example shown at right appears. DISP A.SEL AREA PARA PV: Current measurement value (222) MODE Symbol: Area number.
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2. For MC-COS(R)-3: 3kPa(0.4psi) For MC-COS(R)-16 (15-50 mm( )): 4kPa(0.4psi) For MC-COS(R)-16 (65-150 mm(2 ~6 in.)): 10kPa(1.5psi) For MC-COS(-21): 20kPa(3.0psi) If a smaller value than the factory setting value is used, hunting problems can occur. SC-F70 SC-F70 Pressure Control Operating Instructions...
Improper setting of the parameter PG05/AiGr may produce unexpected controller output. 3. Connect the analog input device by referring to the following figure and tables. External contacts Back panel terminals No voltage contact 0-5V,1-5V Analog input signal 0-10V,0-20mA 4-20mA SC-F70 SC-F70 Pressure Control Operating Instructions...
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Contact Action Mode Switches To Close to open LOC mode (about 2 seconds later) No.12 - No.13(Di1) Open to close REM mode (about 2 seconds later) Analog input signal No.15 - No.16 SC-F70 SC-F70 Pressure Control Operating Instructions...
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Note: The analog input signal fluctuation must be less than 0.1 % F.S. If the fluctuation exceeds this, the controller may accept the fraction as a new set value, which can cause a hunting problem in the valve actuator. SC-F70 SC-F70 ...
MAN/AUT SW MAN/AUT SW 8 Di1 COM (—) COM (—) COM (—) Area 4 Di2 4 Di2 4 Di2 Area Area 2 Di3 2 Di3 2 Di3 1 Di4 1 Di4 1 Di4 SC-F70 SC-F70 Pressure Control Operating Instructions...
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1. The new value given by the external contacts becomes effective after about 2 seconds. 2. Mode switching requests are honored by detecting a status change . 3. An area number is determined only by the status of the contact points. SC-F70 SC-F70 ...
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13 - 16 (Di4) Note: 1. The new value given by the external contacts becomes effective after about 2 seconds. 2. An area number is determined only by the status of the contact points. SC-F70 SC-F70 Pressure Control Operating Instructions...
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MAN Æ AUT switching (External contact) 1 If Dil contact point is open, close it; if closed, open and close it. From now, the new area number set by the external contacts is used by the controller. SC-F70 SC-F70 ...
Four alarm points (AL1 to AL4) can be used and should be wired as shown in the diagram. AL1, AL2 Relay contact Back Panel Terminals Relay contact Relay contact Note: Relay contact numbers shown here correspond to the indicator lamps on the operation panel. SC-F70 SC-F70 Pressure Control Operating Instructions...
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3. Alarm relay contact is open for no alarm state, and is closed when alarm condition meets. 4. Inputs to be monitored are measurement input, analog setting input, and area switching input. SC-F70 SC-F70 ...
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Timer: Delays the alarm output activation. Hysteresis: Delays the alarm output deactivation. Use of these timer and hysteresis delays provides additional control to prevent frequent alarm activation due to the unstable pressure. SC-F70 SC-F70 Pressure Control Operating Instructions...
Item No.1 is for first transmission output, and item No. 4 is for second transmission output. 0: Measurement value 1: Deviation value 2: Target set value 3: Valve control output value SC-F70 SC-F70 Pressure Control Operating Instructions...
∑ EIA RS-485: 2-wire multidrop connection ∑ EIA RS-232C: 3-wire point-to-point connection See page 86 for other specifications. For operation details, refer to the "SC-F70 Multicontroller Operating Instructions for Communications" booklet. 5.4 Using Other Convenient Features The following commonly used features enable more sophisticated operation.
0 mA, and, as a result, the secondary pressure is also lost as the valve tends to close. To shut down the steam supply in the cases of 1 and 2 above, install an additional shutdown valve, which closes when power is lost. SC-F70 SC-F70 ...
6. Summary of PARAMETER Groups and AREAs This chapter summarizes all PARAMETER groups and AREAs in tables beginning on the next page. SC-F70 SC-F70 Pressure Control Operating Instructions...
[F]. ∑ ∑ ∑ ∑ ∑ If you need to use a pressure unit different from the one specified on the coefficient plate, see "How to Convert Valve Coefficients" on page 53. SC-F70 SC-F70 Pressure Control Operating Instructions...
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New units (F=2) (F=3) (F=0) (F=1) Current units 1.42230 0.98067 — 0.98067 kg/cm (F=0) 1.45040 1.00000 1.01970 — barG (F=1) — 0.68948 0.70307 0.68948 psiG (F=2) 1.45040 — 1.01970 1.00000 kPaG (F=3) SC-F70 SC-F70 Pressure Control Operating Instructions...
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Coefficient E=594 x 1.42230=844.8462=845 Note: Round the value to a whole number (no decimals). 3. The new valve coefficients A to F are as follows: d: 1425 SC-F70 SC-F70 Pressure Control Operating Instructions...
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Sensor Input Range(DC) 0 - 10mV 0 - 100mV Voltage 0 - 1V Input 0 - 5V High 0 - 5V 0 - 10V 0 - 20mA Current Input 4 - 20mA SC-F70 SC-F70 Pressure Control Operating Instructions...
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0-14 Selects the type of alarm for Type for Alarm 3 (Note 1) AL3. Selects whether the alarm is an 0:Exciting Exciting or non- exciting or non-exciting type. 1:Non-exciting exciting for AL3 SC-F70 SC-F70 Pressure Control Operating Instructions...
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(db) range even after a corrective action has been taken. 5. Exciting refers to the excitation of the alarm relay when an alarm condition is met, resulting in the N/O contact of the alarm relay to close. Conversely, non-exciting means the NO contact will open. SC-F70 SC-F70 ...
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0: MAN/AUT changing and analog setting input 1: LOC/REM changing and analog setting input On models equipped with area switching contact input: 0: MAN/AUT changing and area selection 1: LOC/REM changing and area selection 2: Area selection SC-F70 SC-F70 Pressure Control Operating Instructions...
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Select the output range for same as limit transmission output 2 transmission output 2. measurement 2.AL range Ao2=1: ±measurement Upper Upper limit for span limit transmission output 2 Ao2=3: 0~100% 2.AH (2.AL < 2.AH) SC-F70 SC-F70 Pressure Control Operating Instructions...
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MAN to AUT. Note: Even if a mode for power restoration has been selected, if a mode is selected through external contact input when power is restored, that mode will be the one selected. SC-F70 SC-F70 Pressure Control Operating Instructions...
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0: No overshoot Overshoot prevention Selects whether the overshoot prevention 1: Overshoot prevention function is used or not (see Note) prevention Note: Do not change the factory setting unless absolutely necessary. SC-F70 SC-F70 Pressure Control Operating Instructions...
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2. Baud rates Setting Parity bits Data bits Stop bits None 0: 1200 bps None 1: 2400 bps Even 2: 4800 bps Even 3: 9600 bps 4: 19200 bps None None Even Even SC-F70 SC-F70 Pressure Control Operating Instructions...
2. For MC-COS(R)-3: 3kPa(0.4psi) For MC-COS(R)-16 (15-50 mm( )): 4kPa(0.4psi) For MC-COS(R)-16 (65-150 mm(2 ~6 in.)): 10kPa(1.5psi) For MC-COS(-21): 20kPa(3.0psi) If a smaller value than the factory setting value is used, hunting problems can occur. SC-F70 SC-F70 Pressure Control Operating Instructions...
Generally, the controller system problems are categorized as follows: Controller problem Valve control problem Sensor problem Remote external input problem Communication problem Each of them has the characteristics described in the following pages. SC-F70 SC-F70 Pressure Control Operating Instructions...
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There are three types of external contact problems. ∑ External contact or wiring problems ∑ External analog input device or wiring problems ∑ Setting errors or outside specifications usage SC-F70 SC-F70 Pressure Control Operating Instructions...
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D i d t h e F A I L E r r o r - d i s p l a y a b l e lamp come on ? controller problem Go to page 69 Continued on next page SC-F70 SC-F70 Pressure Control Operating Instructions...
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? ∑ FAIL lamp on Go to page 69 D o e s s y s t e m No error-displayable operate correctly controller problem as set in area ? Go to page 71 Continued on next page SC-F70 SC-F70 Pressure Control Operating Instructions...
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E x t e r n a l a n a l o g Does the operation setting input problem work correctly ? Go to page 77 Use the communication function (See SC-F70 Only when this Communication Manual). option is installed. Does C o m m u n i c a t i o n...
7.2 Error-displayable Controller Problems Check the error code and its displayed location, and take action. SC-F70 Measurement Display Set value Symbol FAIL Indicator lamp DISP A.SEL AREA PARA MODE Error Code Where Error Description Action The pressure sensor signal is 100% to 105% or -5 1.
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All controller outputs are turned off. ROM error or CPU power error or watchdog timer FAIL error occurred. All other indicators are turned off. lights All controller outputs are also turned off. SC-F70 SC-F70 Pressure Control Operating Instructions...
37 or parameter PG03 on page 56. SC-F70 SC-F70 Pressure Control Operating Instructions...
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Make sure the type of alarm, Reset these values to the ones you faultly excitation, hysteresis setting, want by referring to "Alarm Setup or alarm timer are selected Procedure" on page 47. correctly. SC-F70 SC-F70 Pressure Control Operating Instructions...
Note: Even if the output is in current mode, measure it in assembly from the controller to DC voltage. the valve is not open. The output voltage changes proportionally with the target value settings. SC-F70 SC-F70 Pressure Control Operating Instructions...
Note: This guide assumes that a MBS33M sensor, manufactured by Danfoss, is used. If another sensor or measurement input type is used, contact TLV for additional guidance. 1. Reconfirm that the pressure value indicated on the pressure gauge is correct.
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DC 1V ∑ If the voltage is unstable: -1 to +1 kg/cm G (-14 to +14 psig) DC 3V Confirm that both sensor shield wire cable and controller cable have been properly grounded. SC-F70 SC-F70 Pressure Control Operating Instructions...
1. Ensure your controller is equipped with the remote area switching feature. function cannot be used. Model code = SC-F70- The second-to-last digit should be a D. ∑ If the setting is incorrect, correct 2. Check that the setting in item 1 of the parameter PG06 is correct.
1. Ensure your controller is equipped with the remote analog input feature. function cannot be used. Model code = SC-F70- The second-to-last digit should be an A. ∑ If the settings are incorrect, 2. Check that the settings in all items of the parameter correct them.
∑ If the code is different, this 2. Ensure that your controller is equipped with the function cannot be used. communication functions. Model code = SC-F70- 1 (RS-232C) SC-F70- 4 (RS-422A) SC-F70- 5 (RS-485) The last digit should be either 1, 4, or 5.
∑ Is secondary pressure below the maximum allowable pressure differential? ∑ Is secondary pressure above the minimum allowable pressure differential? SC-F70 SC-F70 Pressure Control Operating Instructions...
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Valve opening: Minimum allowable measured secondary pressure F kPaG (psig) e. Contact TLV and provide values A to F. SC-F70 SC-F70 Pressure Control Operating Instructions...
Within ± 12 V Input voltage range: 3. DC current input Input values: 0-20 mA, 4-20 mA Input impedance: Approximately 250W ± (0.1F.S. + 1 digit) (2) Measurement accuracy: (3) Sampling period: 0.25 second SC-F70 SC-F70 Pressure Control Operating Instructions...
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Approximately 1 MW b. DC current input: 0-20 mA, 4-20 mA Input impedance: Approximately 250W Note: Input type a or b can be selected with a jumper. 2. Sampling period: 0.5 second SC-F70 SC-F70 Pressure Control Operating Instructions...
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FAIL status, control error Note: Selectable with alarm settings SC-F70 SC-F70 Pressure Control Operating Instructions...
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(1) Number of output points: 2 points (2) Output types (selectable): Measured value, set value, deviation, or control output (3) Output signal: DC 4 mA to 20 mA (4) Load resistance: 600W maximum SC-F70 SC-F70 Pressure Control Operating Instructions...
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500 kW minimum Resistance when CLOSED: 10W maximum 3. Voltage when OPEN: DC 5 V 4. Functions (selectable) a. MAN/AUT selection + area selection b. LOC/REM selection + area selection c. Area selection SC-F70 SC-F70 Pressure Control Operating Instructions...
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Note: Depending on host computer driver capability, the maximum number might not be supported. 2. RS-485: 32 units including host computer 3. RS-232C: 1 unit (8) Communication code: ASCII (JIS) 7-bit code SC-F70 SC-F70 Pressure Control Operating Instructions...
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(9) Terminals 1. RS-422A, 4-wire Terminal No. Signal SC-F70 <Signal Direction> Host Remarks ← R(A) Receive data ← R(B) Receive data → Transmit data T(A) → T(B) Transmit data ←→ Signal ground 2. RS-485, 2-wire Remarks Signal Terminal No. SC-F70 <Signal Direction> Host...
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AC 100V to AC 240 V. (4) Power consumption: 10VA at AC100V, 13VA at AC240V (5) Effect of power outage: No effect on operation if power outage is 50 msec. or less SC-F70 SC-F70 Pressure Control Operating Instructions...
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8.13 Shipping and Storage Conditions (1) Temperature: -20 to 70˚C (-4 to 158˚F) (2) Humidity: 95% RH maximum, no dew (3) Vibration: 5 m/sec (16.4 ft/sec (4) Shock: 100 m/sec (328 ft/sec SC-F70 SC-F70 Pressure Control Operating Instructions...
One year following product delivery. 2. Warranty Coverage TLV Co., Ltd. warrants this product to the original purchaser to be free from defective materials and workmanship. Under this warranty the product will be repaired or replaced, at our option, without charge for parts or labor.
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SC-F70 SC-F70 Pressure Control Operating Instructions...
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