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          API 4051GI信號(hào)調(diào)節(jié)器

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          • 公司名稱 密希爾儀表武漢有限公司
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          API 4051GI信號(hào)調(diào)節(jié)器

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          API 4051GI信號(hào)調(diào)節(jié)器

          Strain Gauge/Bridge/Load Cell/Pressure Transducer to DC Transmitters, Field Rangeable API 4058 G api-usa.com 1220 American Way Libertyville, IL 60048 BSOLUTE ROCESS NSTRUMENTS, Inc. Phone: © 11-16 Input: One to Four 350 W Sensors, 0-5 mV to 0-1200 mV, 4-10 VDC Excitation Output: 0-1 V to ±10 V or 0-1 mA to 4-20 mA, Non-Isolated O Drive up to Four 350 ? Bridges O Adjustable Excitation Power Supply O One Minute Setup for Hundreds of I/O Ranges O Easy-to-use External Switches for Setup O Hot-Swappable Plug-In Design O Input and Output LoopTracker® LEDs O Output Test or Calibration Resistor Options Applications Options—add to end of model number M01 Switch with built-in calibration resistor. Specify resistor value. M02 Switch for external calibration resistor DF 75 millisecond response time, or consult factory U Conformal coating for moisture resistance Accessories—order as a separate line item API 011 11-pin socket, DIN rail or surface mount API 011 FS 11-pin finger safe socket, DIN rail or surface mount API CLP1 Module hold-down spring for high vibration or applications Model Input Output Power API 4058 G Field configurable. Specify the following if factory is to set switches Bridge mV/V or mV range Excitation voltage Field configurable. Specify following if factory is to set switches Output range Output type (V or mA) 115 VAC API 4058 G A230 230 VAC API 4058 G P 85-265 VAC or 60-300 VDC API 4058 G D 9-30 VDC Description The API 4058 G accepts a strain gauge, bridge, load cell, or a summed input from up to four sensors, and provides a proportional, non-isolated DC voltage or current output. It includes filtering and processing to allow effective use of lowlevel transducers in the noisy environments found in industrial applications. The output is not electrically isolated. The built-in 115 mA bridge excitation power supply generates a stable source of excitation voltage to drive from one to four 350 W (or greater) bridge type sensors such as load cells, pressure transducers and strain gauges The API 4058 G amplifies and converts the resulting millivolt signal into the selected output. Input, output, excitation, and zero offset are field configurable, via external rotary and slide switches. Common ranges are on the module label. An offset switch is standard for applications requiring cancellation of sensor offsets or non-zero deadweights (taring). Zero and span potentiometers allow calibration of the output. LoopTracker API exclusive features include two LoopTracker LEDs (green for input, red for output) that vary in intensity with changes in the process input and output signals. These provide a quick visual picture of your process loop at all times and can greatly aid in saving time during initial startup and/or troubleshooting. Output Test An API exclusive feature includes the test button to provide a fixed output (independent of the input) when held depressed. The output test button greatly aids in saving time during initial startup and/or troubleshooting. The test output level is potentiometer adjustable from 0 to * of output span. The output test is not available with the M01 or M02 options. A calibration resistor switch replaces the test button. Mounting The API 4058 G plugs into an industry standard 11-pin octal socket sold separay. Sockets API 011 and finger-safe API 011 FS allow either DIN rail or panel mounting. Quick Link api-usa.com/4058 Strain Gauge Input Ranges Minimum range: 0 to 5 mV Maximum range: 0 to 1200 mV Minimum sensitivity: 0.5 mV/V Maximum sensitivity: 120 mV/V Millivolt output range is determined by the sensitivity of the sensor (mV/V) and the excitation voltage applied. mV/V sensitivity X excitation voltage = total mV range Input Impedance 1 M? typical Common Mode Rejection 100 dB minimum Calibration Resistor Options M01 option: Toggle switch with calibration resistor inside module. Specify resistor value. M02 option: Toggle switch for external (load cell) calibration resistor. Excitation Voltage Maximum output: 10 VDC maximum at 115 mA Drive capability: Up to four 350 ? bridges at 10 VDC Switch-selectable: 0-10 VDC in 1 V increments Fine adjustment: ±2.5% via multi-turn potentiometer Stability: ±0.01% per °C LoopTracker Variable brightness LEDs for input/output loop level and status DC Output Ranges Voltage: 0-1 VDC to 0-10 VDC Bipolar voltage: ±1 VDC to ±10 VDC Current: 0-2 mADC to 0-25 mADC 20 V compliance, 1000 W at 20 mA Output Calibration Multi-turn zero and span potentiometers ±15% of span adjustment range typical Zero Offset ±* of span in 15% increments Output Ripple and Noise Less than 10 mVRMS ripple and noise Output Test Sets output to test level when pressed Adjustable 0-* of span Not available with M01 or M02 options Accuracy ±0.1% of span (includes adjustment resolution and linearity) Response Time 150 milliseconds typical (6.6 Hz) DF option: 75 millisecond response time typical (13.3 Hz) Contact factory for faster response times Ambient Temperature Range and Stability –10°C to +60°C operating ambient Better than 0.04% of span per °C stability Housing and Sockets IP 40, requires installation in panel or enclosure Plugs into API 011 or API 011 FS socket Socket mounts to 35 mm DIN rail or can be surface mounted Q Load Cell Weighing Systems and Scales Q Strain Gauge Pressure Sensors and Transducers Q Tanks, Scales, Extruder Melt Pressure, Crane Loads 2.75" 11-Pin Socket Sold Separay Hot Swappable Plug-In Design Free Factory I/O Setup! Minute 1Setup! 2.38" 1.75" Output Test Button Variable Brightness Input LED Output LED Output Zero Output Span Output Test Adjust HHHHHH HHHHH HHHHHH HHHHH HHHHHH HHHHH HHHHHH HHHHH HHHHHH Made in USA API 011 300 V Rating API 011 FS 300 V Rating API CLP1 Power Standard: 115 VAC ±10%, 50/60 Hz, 2.5 W max. A230 option: 230 VAC ±10%, 50/60 Hz, 2.5 W max. P option: 85-265 VAC 50/60 Hz, 60-300 VDC, 2.5 W typ. D option: 9-30 VDC, 2.5 W typical M01/M02 Switch Precautions WARNING! All wiring must be performed by a qualified electrician or instrumentation engineer. See diagram for terminal designations and wiring examples. Consult factory for assistance. WARNING! Avoid shock hazards! Turn signal input, output, and power off before connecting or disconnecting wiring, or removing or installing module. Précautions ATTENTION! Tout le câblage doit être effectué par un électricien ou ingénieur en instrumentation qualifié. Voir le diagramme pour désignations des bornes et des exemples de câblage. Consulter l'usine pour assistance. ATTENTION! Éviter les risques de choc! Fermez le signal d'entrée, le signal de sortie et l'alimentation électrique avant de connecter ou de déconnecter le câblage, ou de retirer ou d'installer le module. Excitation Voltage and Range Selection It is easier to set the switches before installation. Common ranges are listed on the module label. 1. See table below and set Excitation rotary switch A to the desired voltage. The excitation voltage should match the sensor manufacturer’s recommendations. 2. From the table at right, find the switch combination that matches your input/output range and set rotary switches B, C, and D. 3. Set the Volt/Curr Select slide switch E to V for voltage or I for current, depending on the output type. Socket and Mounting The module installation requires a protective panel or enclosure. Use API 011 or finger-safe API 011 FS socket. The socket clips to a standard 35 mm DIN rail or can be attached to a flat surface using the two mounting holes. Input Terminals Refer to wiring diagram and strain gauge manufacturer’s data sheet for wiring and color coding. Polarity must be observed when connecting inputs. Connect up to 4 strain gauges or load cells. Sensor shield wire (if equipped) should be grounded at one end only. Excitation Voltage Connection Polarity must be observed. Never short the excitation leads together. This will cause internal damage to the module. Signal Output Terminals Polarity must be observed when connecting the signal output. Current output provides power to the output loop (sourcing). Module Power Terminals The module operating voltage shown on the model/serial number label must match available power. AC power can be connected with either polarity. Polarity MUST be observed for DC powered modules. Calibration This procedure and does not account for offset or tare weight calibration. To achieve optimum results, it is recommended that the API 4058 G be calibrated using an accurate bridge simulator. 1. Power the module and allow a minimum 20 minute warm up time. 2. Using an accurate voltmeter across terminals 7 and 8, adjust the excitation voltage fine adjust potentiometer to the required voltage. 3. Provide an input to the module equal to zero or the minimum input required for the application. 4. Using an accurate measurement device for the module output, adjust the Zero potentiometer for the exact minimum output desired. The Zero control should only be adjusted when the input signal is at its minimum. This will produce the corresponding minimum output signal. 5. Set the input at maximum, and then adjust the Span potentiometer for the exact maximum output desired. The Span control should only be adjusted when the input signal is at its maximum. This will produce the corresponding maximum output signal. 6. The calibration procedure should be repeated to achieve the desired accuracy over the selected range. Calibration, Models with Option M01 or M02 The M01 option uses a switch and a calibration resistor inside the API module. Ensure that the correct resistance value was specified. The M02 option uses a switch for the transducer's internal calibration resistor. The transducer’s calibration resistor wires are connected to terminals 5 and 11 on the API 4058 G socket. The sensor manufacturer should provide the percentage of fullscale transducer output when using the calibration resistor. 1. Power the module and allow a minimum 20 minute warm up time. 2. Using an accurate voltmeter across terminals 7 and 8, adjust the excitation voltage fine adjust potentiometer to the required voltage. 3. Provide an input to the module equal to zero or the minimum input required for the application. 4. Using an accurate measurement device for the module output, adjust the Zero potentiometer for the exact minimum output signal desired. The Zero control should only be adjusted when the input signal is at its minimum. The zero pot may also be adjusted for a zero reading on the output display instrumentation, e.g. control system or process indicator. Adjusting the zero pot this way eliminates calibration errors in the display instrumentation. 5. Set the Test toggle switch to the Test position. The calibration resistor is switched into the circuit to unbalance the bridge. 6. Adjust the span pot for an 80% FS output or 80% reading on the process indicator, or per the manufacturer’s percentage of FS output. 7. Return the Test switch to the opposite position and readjust the zero pot if necessary. The calibration procedure should be repeated to achieve the desired accuracy over the selected range. Using Offset Switch B Offset switch B allows canceling of sensor offsets such as: Tare weights or scale deadweight Compensate for low-output sensors that may have large zero offsets. Switch B can realign the zero control so it has enough range to produce the desired zero output. Raising the offset to allow calibration of bi-directional sensors. Lowering the offset to compensate for elevated input ranges. 1. Switch B does not interact with any other switch and is the only switch needed to correct zero offsets. Its only purpose is to adjust or cancel effects of the low end of the input range not corresponding nominally to 0 mV. Setting this switch to “E” results in no offset. 2. To RAISE the output zero, rotate switch B from “E” thru “A”, until the Zero control can be set for your application. 3. To LOWER the output zero, rotate switch B from “E” thru “9”, until the Zero control can be set for your application. 4. After all switches are set, repeat the calibration procedure. Output Test Function Note that models with the M01 or M02 option do not have a Test function and the Test Cal. potentiometer is non-functional. The output test potentiometer is factory set to provide approximay 50% output. When the test button is depressed it will drive the output with a known good signal that can be used as a diagnostic aid during initial start-up or troubleshooting. When released, the output will return to normal. The Test Cal. potentiometer can be used to set the test output to the desired level. It is adjustable from 0 to * of the output span. Press and hold the Test button and adjust the Test Cal. potentiometer for the desired output level. Operation Strain gauges and load cells are are commonly referred to as bridges due to their four-resistor Wheatstone bridge configuration. These sensors require a precise excitation source to produce an output that is directly proportional to the load, pressure, etc. applied to the sensor. The exact output of the sensor (measured in millivolts) is determined by the sensitivity of the sensor (mV/V) and the excitation voltage applied. For example, a load cell rated for 3 mV/V sensitivity and 10 VDC excitation will produce an output of 0 to 30 mV for load variations from 0 to *. 3 mV/V sensitivity X 10 VDC excitation = 30 mV range The API 4058 G provides a precise excitation voltage to the sensors and receives the resulting millivolt signal in return. This input signal is filtered and amplified, then offset, if required, and passed to the output stage. Depending on the output configuration selected, a DC voltage or current output is generated. GREEN LoopTracker® Input LED – Provides a visual indication that a signal is being sensed by the input circuitry of the module. It also indicates the input signal level by changing in intensity as the process changes from minimum to maximum. If the LED fails to illuminate, or fails to change in intensity as the process changes, this may indicate a problem with module power or signal input wiring. RED LoopTracker Output LED – Provides a visual indication that the output signal is functioning. It becomes brighter as the input and the corresponding output change from minimum to maximum. For current outputs, the RED LED will only light if the output loop current path is complete. For either current or voltage outputs, failure to illuminate or a failure to change in intensity as the process changes may indicate a problem with the module power or signal output wiring. api-usa.com 1220 American Way Libertyville, IL 60048 BSOLUTE ROCESS NSTRUMENTS, Inc. Phone: Instructions API 4058 G Excitation 10V 9V 8V 7V 6V 5V 4V 3V 2V 1V 0V Switch A A 9 8 7 6 5 4 3 2 1 0 API maintains a constant effort to upgrade and improve its products. Specifications are subject to change without notice. Contact factory for assistance and see api-usa.com for latest datasheet version. Excitation 7 and 8 Input from strain gauge 4 and 5 V0 + VEX + VEX – – V0 9 10 11 1 2 3 8 7 6 5 4 (–) (+) Strain gauge (–) (+) PLC, Display, Recorder Power AC or DC– Power AC or DC+ Output (+) (–) Module power Socket top view Key down when panel mounting mA output provides 20 V loop power at terminal 9 Load cell with built-in calibration resistor used with M02 option With M02 option calibration resistor switch terminal



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