8400100.qxp 3/20/2006 3:21 PM Page 154 Flat Pack Series 330i Isolator Diagram Isolated Transmitters PLC / DCS 330i + + IN OUT 4-20mA – – 4-20mA Rs Source 3-way Isolation 10-36V DC 430i Isolator Diagram PLC / DCS 430i + + 4-20mA IN OUT – – 4-20mA Rs Source 3-way Isolation 115/230V AC 330i and 430i Signal Isolators n Description n Special Features Series 330i and 430i isolators provide 3-way n 3-way isolation; input, output, and power DC Current Input isolation and do not require recalibration for circuits are isolated from each other. different loads. n 1500V AC peak isolation (250V AC or 354V Models Both the 330i and 430i accept a 4 to 20mA DC continuous) prevents ground loops. 330i: DC-powered transmitter series process current input and provide a 3-way n Excellent accuracy and stability ensure reliable 430i: AC-powered transmitter series isolated process current output signal. measurements in harsh industrial environments Input Range These isolators use transformer isolation to n RFI and EMI resistance minimize the effects of n 4 to 20mA DC effectively break the electrical path between the environmental noise transmitted signal, receiving device, and power. Output Range This eliminates ground loops, reduces noise, and n Factory calibration is provided standard n 4 to 20mA DC helps protect sensitive instruments from transients n Calibration is independent of the load to for more accurate and reliable measurements. eliminate load compensation adjustments Power Requirements The 330i and 430i are also extremely easy to use. n 330i: 10 to 36V DC n Wide power supply range on 330i handles Advanced circuitry eliminates the need to recali- 85mA with 15V supply, 55mA at 24V more applications to reduce inventory stock brate as loads change and allows us to provide n 430i: factory calibration regardless of the load. And, n DC power used with 330i carry lower voltages 115V AC @ 0.040A for highly reliable field operation, they withstand and do not require expensive conduit for safer 230V AC @ 0.020A extreme ambient temperatures and have excel- and easier installation. lent temperature coefficients. n Low input burden (1.3V typical), independent of load, helps prevent overloading of the loop n High load compliance drives output load resistances up to 1050 ohms independent of supply voltage n 25mS response time delivers fast updates to monitoring and control systems. n Zero and span adjustment enable precise calibration. Tel: 248-295-0880 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 154 Flat Pack Flat Pack 8400100.qxp 3/20/2006 3:21 PM Page 155 Isolated Transmitters n Environmental n Performance n Ordering Ambient temperature range Reference test conditions Information -13 to 185°F (-25 to 85°C) Input/Output current: 4 to 20mA; output load 250 Ambient temperature effect ohms; 25°C ambient; 15V DC or 115V AC supply. Isolators Less than ±0.003% of output span per °F (±0.005% 330i-C1-Y-DIN-NCR per °C) over the ambient temperature range for refer- n Input Single-channel isolator unit, DC-powered. ence test conditions. This specification includes the Input 430i-C1-Y-1-DIN-NCR combined effects of zero and span over temperature. 4 to 20mA DC, with an input drop less than 1.5V DC Single-channel isolator unit, 115V AC-powered. (75 ohms) at full-scale. IMPORTANT: Input current Isolation must not exceed 100mA or damage to the unit may 430i-C1-Y-2-DIN-NCR Three-way isolation between input, output, and power occur. Single-channel isolator unit, 230V AC-powered. circuits for common mode voltages up to 250V AC, or 354V DC off ground, on a continuous basis (withstand Zero and span Accessories 1500V AC dielectric strength test for sixty seconds Zero and span trim adjustments utilize 15-turn without breakdown). Power supplies potentiometers accessible on front of the unit. See Power Supplies on Page 199. Noise rejection n Output Normal Mode: -6 dB at 60Hz, typical, 500 ohm load. DIN RAIL 3.0 Output DIN RAIL 16.7 RFI resistance 4 to 20mA DC RLOAD = 0 to 1050 ohms. DIN rail strip, Type T, 3 inches (75mm) or Less than ±0.5%, of output span with RFI field Output limiting 16.7 inches (425mm) strengths of up to 10V/meter at frequencies of 27, Output current limited to less than 28mA, nominal. 151 and 467 MHz. 20RM-16-DIN Output ripple 19" rack-mount kit with DIN rail. Holds ten 330i or EMI resistance Less than ±0.1% of maximum output span. 430i transmitters. Less than ±0.25% of output span effect with switch- Accuracy ing solenoids or commutator motors. 350T-N4-WM Better than ±0.1% of output span. Error includes the NEMA 4 water-tight enclosure, wall-mount. Surge withstand capability (SWC) combined effects of isolator repeatability, hysteresis, Holds one 330i/430i transmitter. Input/Output terminations rated per ANSI/IEEE C37.90- terminal point linearity and adjustment resolution. 1978. Unit is tested to a standardized test waveform 350T-N12-WM Does not include sensor error. that is representative of surges (high frequency transient NEMA 12 oil-tight enclosure, wall-mount. Bandwidth electrical interference), observed in actual installations. Holds one 330i/430i transmitter. -3dB at 50Hz, typical, with 500 ohm load. n Physical Response time Construction For a step input, the output reaches 98% of output Circuit boards: Military grade FR-4 epoxy glass. span in 25mS, typical, with a 500 ohm load. Terminals: Compression type, 14 AWG max. Response time will vary with load resistance. Case: Self-extinguishing NYLON Type 6.6 polyamide thermoplastic UL94V-2, color black. General Purpose, n Power NEMA Type 1 enclosure. Power (330i) Circuit board coating: Fungus resistant acrylic 10V to 36V DC, current draw is a function of supply conformal coat. voltage (refer to table below) Mounting position: Position insensitive. Supply Supply Current At Current Voltage at 20mA Output Limit 10V 135mA 200mA 12V 105mA 145mA 15V85mA 110mA 24V55mA 70mA 36V 45mA 50mA Power (430i) -1: 115V AC ±10%, 50 to 60Hz, 0.040A max. -2: 230V AC ±10%, 50 to 60Hz, 0.020A max. Power supply effect 330i: Less than ±0.001% of output span per volt for rated supply variations. 430i: Less than ±0.01% of output span for rated supply variations. Tel: 248-295-0880 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 155