Signal Converters | Isolation Amplifiers DRAGO | AUTOMATION engineered for your success Isolation Amplifiers Tiny Snap Series www.drago-automation.de

Bipolar Isolation Amplifier DB 68Isolation and Conversion of Fixed Range Bipolar and Unipolar Standard SignalsThe Isolation Amplifier DB 68 is used for isolation and conversion of bipolar and unipolar standard signals. For applications where one signal combination only is used, the Isolation Amplifier DB 68 offers a cost-effective alternative. A cross-connector for the auxiliary power supply ensures fast and easy installation. The slim housing with 1 1.2 mm width saves significant space on the DIN-rail. If required a measuring range compensation can be performed at the Zero/Scan potentiometers...

Technical Data Input Input resistance Voltage input approx. 1 MQ Current input approx. 5 Q Output signal (see product line) Load Residual ripple General Data Transmission error Temperature coefficient1 Zero/Span Compensation Cut-off frequency -3 dB Response time T99 Test voltage Working voltage2) (Basic Insulation) Protection against electrical shock2) Ambient temperature Power supply 3 kV AC, 50 Hz, 1 min. input against output against power supply 600 V AC/DC for overvoltage category II and pollution degree 2 acc. to EN 61 01 0-1 Protective separation according to EN 61140 by reinforced insulation...

Passive Transmitter Repeater DC 58Powering and Isolation of 2-wire transmitters The Passive Transmitter Repeater DC 58 is used for powering of 2-wire transmitters and isolation of 4 ... 20 mA standard signals. The 24 V power from the control system is transferred to the 2-wire transmitter with low voltage drop. The transmitter loop current is available galvanic isolated on output of the DC58. Additionally the measuring input accepts active 4 ... 20 mA signals from 4-wire transmitters. For communication with HART-Transmitters the internal 250 Ohm resistor on terminal 4 can be used. The slim housing...

Technical Data Input Input signal Operating current range Transmitter Repeater operating Transmitter voltage drop Short circuit current Isolator operating Input resistor Max. Input current Output signal Supply voltage Residual ripple General Data Transmission error Supply voltage influence Temperature coefficient1' Cut-off frequency -3 dB Response time T99 Test voltage Working voltage (Basic Insulation) 1 2 3 Protection against electrical shock2 Ambient temperature (Approx. 9.7 V with HART resistor, terminal 4) < 35 mA 50 Q 3 kV AC, 50 Hz, 1 min. input against output 600 V AC/DC for overvoltage...

Passive Isolator DH 18Separation of 0(4) ... 20 mA Standard SignalsThe input loop-powered isolator DH 18 is used for the electrical isolation of 0(4) ... 20 mA standard signals. The DH 18 transfers the measuring signal to the output with a high degree of accuracy and avoids interference voltage carry-over and suppressing interferences effectively. The slim housing with 1 1.2 mm wide for one or two channels saves significant space on the DIN-rail. Intelligent design and their consequential avoidance of highly integrated components result in extremely long service lives and reliability without...

Technical Data Input Voltage drop Overload Output signal Load Residual ripple < 10 mVrms General Data Transmission error Load error < 0.05 % of measured value / 100 Q load Temperature coefficient1 < 0.004 %/K of measured value / 100 Q load Test voltage 3 kV, 50 Hz all circuits against one another Working voltage (Basic Insulation) 1 2 600 V AC/DC for overvoltage category II and pollution degree 2 acc. to EN 61010-1 Protection against electrical shock2 Protective separation according to EN 61140 by reinforced insulation in accordance with EN 61010-1 up to 300 V AC/DC for overvoltage category II...

Isolation and Conversion of Standard Signals The Isolation Amplifier DN 28 is used for isolation and conversion of 0 ... 20 mA, 4 ... 20 mA and 0 ... 10 V standard signals. For applications where one signal combination only is used, the Isolation Amplifier DN 28 offers a cost-effective alternative. A cross-connector for the auxiliary power supply ensures fast and easy installation. The slim housing with 11.2 mm width saves significant space on the DIN-rail. If required a measuring range compensation can be performed at the Zero/Scan potentiometers behind the front cover. Analog signal processing...

Technical Data Input Input signal Input resistance Current input approx. 5 Q Voltage input approx. 1 MQ Output signal Load Residual ripple General Data Transmission error Temperature coefficient1' Cut-off frequency -3 dB Response time T99 Test voltage Working voltage (Basic Insulation)2' Protection against electrical shock2' 0 ... 20 mA 4 ... 20 mA 0 ... 10 V see product line Current output < 500 Q Ambient temperature Power supply 3 kV AC, 50 Hz, 1 min. input against output against power supply 600 V AC/DC for overvoltage category II and pollution degree 2 acc. to EN 61 01 0-1 Protective separation...

Resistance Transmitter DR 41Measuring of Resistors with Fixed Setting The Resistance Transmitter DR 41 converts the sensor resistance value to a standard signal and makes it galvanic isolated available on output. For applications where one measuring range only is used, the Resistance Transmitters DR 41 offers a cost-effective alternative. A cross-connector for the auxiliary power supply ensures fast and easy installation. The slim housing with 1 1.2 mm width saves significant space on the DIN-rail. If required a measuring range compensation can be performed at the Zero/Scan potentiometers behind...

Technical Data Input Measuring range_Fixed ranges within 20 Q ... 1 MQ_see product line Sensor connection 2-wire, 3-wire, 4-wire sensor connection see product line Sensor wire resistance < 25 Q / wire, maximum 5 % of final value at 2-wire connection Sensor current Output signal 0.1 ... 5 mA, depends on measuring range Load Current output < 500 Q Residual ripple General Data Transmission error Test voltage 3 kV AC, 50 Hz, 1 min. input against output against power supply Working voltage2' (Basic Insulation) 600 V AC/DC for overvoltage category II and pollution degree 2 acc. to EN 61010-1 Protection...