Flat Pack Series 250T Loop-Powered (2-wire) Transmitter Isolated Transmitters PLC / DCS P 250T + S Sense Resistor Sensor + IN OUT – + 24V DC 4-20mA RLOAD Input L – Isolation 350T DC-Powered (3-wire) Transmitter PLC / DCS P 350T + P PWR Sensor + – IN + 24V DC OUT V/mA RLOAD Input – L – Isolation 450T AC-Powered (4-wire) Transmitter AC Voltage and PLC / DCS 450T + S Sense Resistor AC Current Input + + OUT Sensor – – IN V/mA These models convert sensor inputs to propor- L1 3-Way RLOAD W PWR tional process current or voltage output signals. – L Isolation G AC voltage transmitters accept direct voltage inputs. Current models include an external AC current sensor. This toroidal sensor outputs a safe ■Special Features■Performance DC milliamp signal which transmits accurately Ambient Temperature Range■Excellent accuracy and stability ensure reliable over long distances. Input span is a function of Operating: -13 to 185°F (-25 to 85°C). measurements in harsh industrial environments. the primary turns placed on the sensor. Storage: -40 to 185°F (-40 to 85°C). ■External AC current sensor with DC mA output Accuracy Input Ranges ±0.5% of calibrated span. Includes repeatability, enables remote mounting of transmitter (for ■AC voltage, 50/60Hz hysteresis, terminal point linearity, and adjustment safe monitoring of the AC signal) 0 to 150V AC resolution. ■AC current range is a function of sensor Ambient Temperature Effect ■AC current, 0 to 20A primary turns for easy rescaling in field Less than ±0.01% of output span per °F (±0.018% per °C). (Specification includes the combined effects of zero Output Ranges■Factory-calibrated AC current transmitter does and span over temperature). ■DC current: 4 to 20mA not need recalibration Noise Resistance RFI: Less than ±0.5% ,of output span effect. ■DC voltage: 0 to 5V or 0 to 10V■RFI and EMI resistance minimize the effects of EMI: Less than ±0.25% of output span effect. environmental noise. Noise Rejection Power Requirements Common Mode (-VAC): 120dB at 60Hz, 100 ohm■Compact, 1-inch wide housing uses less space. ■250T: 12 to 50V DC @ 20mA (loop-powered) unbalance. ■Low power consumption. (350T as low as 9mA). Common Mode (-CACX): 120dB at 60Hz, 1 ohm ■350T: DC voltage source (see table below) unbalance. ■1500V AC peak isolation (250V AC or 354V Normal Mode: Not Applicable. Output range Power DC continuous) prevents ground loops. 4 to 20mA 10 to 36V DC @ 30mA Response Time Output reaches 98% of output span in 300mS. 0 to 5V 10 to 36V DC @ 9mA 250T models: Bandwidth 0 to 10V 12.5 to 36V DC @ 9mA Input isolated from output/power. -3dB at 3 Hz, typical. ■450T: 115V or 230V AC, ±10%, 50 to 60Hz 350T models: Output Compliance 250T: RLOAD (max.) = (VSUPPLY - 12V) / 20mA. Input isolated from output and power. Output range Power 350T: RLOAD (max.) = (VSUPPLY - 2.5V) / 20mA. Output and power share a common. 4 to 20mA 115V AC @ 0.050A 450T: RLOAD = 600 ohms. 4 to 20mA 230V AC @ 0.025A 450T models: 0 to 5V, 0 to 10V 115V AC @ 0.020A 3-way isolation. Input, output, and power 0 to 5V, 0 to 10V 230V AC @ 0.010A circuits are isolated from each other. Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 132 Flat Pack Flat Pack Isolated Transmitters ■Ordering Information Select one option from each column. Example: 450T-VAC-V5-2-DIN-NCR-C To order factory calibration, append “-C” to end of model number. Specify ranges on order. Base Input Mounting Approval Ordering Notes * Unit is factory calibrated for fixed range (adjustable 250T -VAC -DIN -N4 -NCR Note: by windings of sensor). Custom factory calibration -CACX -ST -N12 All 250Ts have 4 to 20mA output ‘-C’ option is not available with this input. -SM -XP and are loop-powered. Accessories Power supplies Base Input Output Mounting Approval See Power Supplies on page 183. Note: 350T -VAC -Y -DIN -NCR DIN RAIL 3.0 All 350Ts accept DIN RAIL 16.7 -CACX -V0 10 to 36V DC DIN rail strip, Type T, 3 inches (75mm) or -V5 power supply. 16.7 inches (425mm) 20RM-16-DIN 19" rack-mount kit with DIN rail. Holds sixteen Base Input Output Power Mounting Approval 250T/350Ts or ten 450T transmitters. 450T -VAC -Y -1 -DIN -NCR 350T-N4-WM -CACX -V0 -2 NEMA 4 water-tight enclosure, wall-mount. Holds two 350Ts or one 450T transmitter. -V5 350T-N12-WM NEMA 12 oil-tight enclosure, wall-mount. Holds two Input Options Output Options (350T, 450T only) 350Ts or one 450T transmitter. -VAC: AC Voltage, -Y: 4 to 20mA DC. 0 to 150V AC range, -V0: 0 to 10V DC into 10K ohms or greater Span adjust: 60 to 150V AC -V5: 0 to 5V DC into 5K ohms or greater Zero adjust: 0 to 90VAC Input impedance 100k ohms Power Options (450T only) Input burden is 0.3 volt-amps -1: 115V AC power AC Current Sensor -CACX*: AC Current -2: 230V AC power AC Current Sensor (5020-350): One sensor is supplied with each transmitter. The sensor is a high-accuracy Mounting Options toroidal instrument transformer. See Page 165 for Mountings more information. -DIN: DIN rail G or T mount AC Input Range Primary Turns Sensor Output -ST: SNAPTRACK mount [250T only] 0 to 20 Amps AC 1 0 to 11.17 mA DC -SM: Surface-mount [250T only] 0 to 10 Amps AC 2 0 to 11.17 mA DC 0 to 5 Amps AC 4 0 to 11.17 mA DC External housings 0 to 1 Amps AC 20 0 to 11.17 mA DC -N4: NEMA 4, water-tight [250T only], holds two Input Burden: A function of the wire gauge resistance -N12: NEMA 12, oil-tight [250T only], holds two used for the primary turns. -XP: Explosion-proof NEMA 4 [250T only], holds one Input Overload: The AC Current Sensor withstands Approval Options overloads as follows: 20 times full-scale for 0.01 sec- ond., 10 times full-scale for 0.1 second., and 5 times -NCR: No certification/approval required. full-scale for 1.0 second. AC Current Sensor to Transmitter Wiring Distance: 400 feet maximum for 18 AWG wire gauge. Other wire gauges can be used as long as the resistance of both wires is less than 5.0 ohms. Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 133 Flat Pack Series Dimensions Transmitters: 250T, 350T Isolators: 270i, 340i, Limit Alarms: 260A Power Supplies: 25PS, 35PS-2U Surface Mount: Snaptrack 250T-SM, Mount: 260A-SM, 250T-ST, 270i-SM, 260A-ST, 25PS-SM 270i-ST, 25PS-ST Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 138 Flat Pack Flat Pack Signal Conditioners Dimensions Explosion-Proof and Industrial Housing 250T-XP, 260A-IH/IHW, 270i-XP 250T Transmitter shown installed in enclosure with cover removed. 250T Transmitter shown removed from enclosure. NEMA-4 and NEMA-12 Enclosures 250T-N4 / N12, 25PS-N4 / N12 260A-N4 / N12, 270i-N4 / N12 Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 139 Flat Pack Series Dimensions Transmitters: 450T Isolators: 330i, 430i, Limit Alarms: 361A, 461A Power Supplies: 35PS-8U NEMA-4 and NEMA-12 Enclosures 350T-N4-WM 350T-N12-WM Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 140 Flat Pack Flat Pack Signal Conditioners Dimensions 20RM-16-DIN Rack Mount Kit AC Sensor 5020-350 Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 141