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3105
Isolated converter
- Isolation and conversion of standard DC signals
- Slimline housing of 6 mm
- Response time <7 ms
- Low cost
- DIP-switch configured
Application
- Isolation and conversion of standard DC signals.
- Galvanic separation of analog current and voltage signals.
- Elimination of ground loops and measurement of floating signals.
- A competitive choice in terms of both price and technology for galvanic isolation of current and voltage signals to SCADA systems or PLC equipment.
- Suitable for environments with high vibration stress, e.g. ships.
Technical characteristics
- Easy configuration via DIP-switches.
- The input is protected against overvoltage and polarity error.
- Factory-calibrated measurement ranges.
- Inputs and outputs are floating and galvanically separated.
Environmental Conditions
| Operating temperature | 0°C to +70°C |
| Storage temperature | -40°C to +85°C |
| Calibration temperature | 20...28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
| Installation in | Pollution degree 2 & meas. / overvoltage cat. II |
Mechanical specifications
| Dimensions (HxWxD) | 113 x 6.1 x 115 mm |
| Weight approx. | 70 g |
| DIN rail type | DIN EN 60715/35 mm |
| Wire size | 0.13 x 2.5 mm2 / AWG 26...12 stranded wire |
| Screw terminal torque | 0.5 Nm |
| Vibration | IEC 60068-2-6 |
| 2...25 Hz | ±1.6 mm |
| 25...100 Hz | ±4 g |
Common specifications
Supply |
|
| Supply voltage | 16.8...31.2 VDC |
| Max. required power | 0.80 W |
| Max. power dissipation | 0.52 W |
Isolation voltage |
|
| Isolation voltage, test / working | 2.5 kVAC / 300 VAC (reinforced) |
Response time |
|
| Response time (0...90%, 100...10%) | < 7 ms |
| Programming | DIP-switches |
| Signal / noise ratio | > 60 dB |
| Cut-off frequency (3 dB) | > 100 Hz |
| Signal dynamics, input | Analog signal chain |
| Signal dynamics, output | Analog signal chain |
| Accuracy | Better than 0.2% of selected range |
| Temperature coefficient | < ±0.015% of span / ˚C |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications
Current input |
|
| Measurement range | 0...23 mA |
| Programmable measurement ranges | 0...20 and 4...20 mA |
| Input voltage drop | < 1.5 VDC |
Voltage input |
|
| Measurement range |
0...10.25 V
0...11.5 V / 0...5.75 V |
| Programmable measurement ranges | 0/1...5 and 0/2...10 V |
| Input resistance | ≥ 500 kΩ |
Output specifications
Current output |
|
| Signal range | 0...23 mA |
| Programmable signal ranges | 0 / 4...20 mA |
| Load (@ current output) | ≤ 600 Ω |
| Load stability | ≤ 0.002% of span / 100 Ω |
| Current limit | ≤ 28 mA |
Voltage output |
|
| Signal range | 0...10 VDC |
| Programmable signal ranges | 0/1...5 and 0/2...10 V |
| Load (@ voltage output) | ≥ 10 kΩ |
| of span | = of the DIP-switch selected output range |
Observed authority requirements
| EMC | 2014/30/EU |
| LVD | 2014/35/EU |
| RoHS | 2011/65/EU |
| EAC | TR-CU 020/2011 |
Approvals
| DNV-GL Marine | Stand. f. Certific. No. 2.4 |
| UL | UL 508 / C22.2 no. 14 |