DescriptionThe SP333 is a high-performance signal splitter that converts one millivolt or thermocouple input into two isolated proportional control signals. A variety of current and voltage output ranges are supported. Power connects on a terminal block, a rail bus, or both for redundancy. High-voltage isolation separates the input from power and each output circuit. The isolation protects from surges, reduces noise, and eliminates ground loop errors. Setup is fast and easy with a USB connection to your PC and our Windows software. Acromag’s Agility™ mobile app enables configuration on an Android smart phone or tablet. Software simplifies I/O range scaling, calibration, and advanced signal processing capabilities. These rugged instruments withstand harsh industrial environments to operate reliably across a wide temperature range with very low drift. They feature high immunity to RFI, EMI, ESD, and EFT, plus low radiated emissions.
Performance SpecificationsIMPORTANT: To prevent ground loop error between a grounded PC and a grounded input signal, Acromag strongly recommends use of a USB isolator like Acromag’s USB-Isolator when configuring a SP330 Series transmitter.
USB Interface:USB Connector: USB Mini-B type socket, 5-pin. 5.0 meters cable length max. No driver required, uses Windows HID drivers. USB Data Rate: 12Mbps. USB v1.1 and 2.0 compatible USB Transient Protection: Transient voltage suppression on power and data lines
Input (Passive)Default Configuration/Calibration: Input: TC J, -210 to 760°C, med. filter, break: up Output: 4 to 20mA Input Ranges and Accuracy: Input Range Accuracy* TC J -210 to 760°C (-346 to 1400°F) ±0.5°C TC K -200 to 1372°C (-328 to 2502°F) ±0.5°C TC T -260 to 400°C (-436 to 752°F) ±0.5°C TC R -50 to 1768°C (-58 to 3214°F) ±1.0°C TC S -50 to 1768°C (-58 to 3214°F) ±1.0°C TC E -200 to 1000°C (-328 to 1832°F) ±0.5°C TC B 260 to 1820°C (500 to 3308°F) ±1.0°C TC N -230 to 1300°C (-382 to 2372°F) ±1.0°C mV -100 to 100mV ±0.1mV *Error includes the effects of repeatability, terminal point conformity, and linearization (but not CJC error). Thermocouple Reference (Cold Junction Compensation): ±0.2°C typical, ±0.5°C maximum at 25°C Ambient Temperature Effect: Better than ±80ppm/°C (±0.008%/°C) Scaling Adjust: 0 to 95% of range, typical Full Scale: 5 to 100% of full scale range, typical Lead Break (Sensor Burnout) Detection: Upscale/downscale ±5% full scale range typical Input Over-Voltage Protection: Bipolar Transient Voltage Suppressers (TVS), 5.6V clamp level typical. Resolution: milliVolt input: 0.0025% (1 part in 40,000) Thermocouple input: 0.1°C Input Impedance: Current input: 24.9 ohms Voltage input: 15M ohms Noise Rejection (with High Filter): Normal mode @ 60Hz: >80dB Common mode @ 60Hz: >134dB
Output (Two Signals, Active)Output Range: Range Over-Range Resolution ±10V ±10.5V 1 part in 62415 ±5V ±5.25V 1 part in 31208 0 to 10V –0.5527 to +10.5V 1 part in 59240 0 to 5V –0.27634 to +5.25V 1 part in 60262 0 to 20mA –1.1054 to 21mA 1 part in 58596 4 to 20mA –1.1054 to 21mA 1 part in 46877 Output Load: Voltage output: 1K ohms minimum Current output: 0-550 ohms Output Response Time (for step input change): Time to reach 98% of final output value (typical) No filtering: 14 milliseconds Low filter: 41 milliseconds Medium filter: 137 milliseconds High filter: 1141 milliseconds Output Ripple: Less than ±0.1% of output span
EnvironmentalOperating temperature: -40 to 75°C (-40° to 167°F) Storage temperature: -40 to 85°C (-40 to 185°F) Relative humidity: 5 to 95% non-condensing Power Requirement: 6-32V DC external supply, 1.5W max Isolation: 1500V AC peak. 250V AC (354V DC) continuous between input, output, and power circuits. Shock and Vibration Immunity: Vibration: 4g, per IEC 60068-2-64 Shock: 25g, per IEC 60068-2-27 Electromagnetic Compatibility (EMC) Compliance: Radiated Emissions: BS EN 61000-6-4, CISPR 16 RFI: BS EN 61000-6-2, IEC 61000-4-3 Conducted RFI: BS EN 61000-6-2, IEC 61000-4-6 ESD: BS EN 61000-6-2, IEC 61000-4-2 EFT: BS EN 61000-6-2, IEC 61000-4-4 Surge Immunity: BS EN 61000-6-2, IEC 61000-4-5 Approvals: CE compliant. Designed for UL/cUL Class I Division 2 Groups ABCD, ATEX / IECEx Zone 2. Ex II 3 G Ex nA IIC T4 Gc -40°C ≤ Ta ≤ +80°C
PhysicalGeneral: General-purpose enclosure designed for mounting on 35mm “T-type” DIN rail. Case Material: Self-extinguishing polyamide, UL94 V-0 rated, color light gray. General-purpose NEMA Type 1 enclosure. I/O Connectors: Removable plug-in terminal blocks rated for 12A/250V; AWG #26-12, stranded or solid copper wire. Dimensions: 17.5 x 114.5 x 99.0 mm (0.69 x 4.51 x 3.90 inches) Shipping Weight: 0.22 kg (0.5 pounds) packed
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