Description
3103 Isolated repeater – PR Electronics
Application
- Isolation and 1:1 conversion of standard current signals.
- Galvanic separation of analog current 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 signals to SCADA systems or PLC equipment.
- Installation in ATEX Ex zone 2 / IECEx Zone 2 / FM division 2.
- Suitable for environments with high vibration stress, e.g. ships.
Technical characteristics – PR 3103 Isolated repeater
- 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 | -25°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…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 – PR 3103 Isolated Repeater
Supply | |
| Supply voltage | 16.8…31.2 VDC |
| Max. required power | 0.65 W |
| Max. power dissipation | 0.60 W |
Isolation voltage | |
| Isolation voltage, test / working | 2.5 kVAC / 300 VAC (reinforced) |
| Zone 2 / Div. 2 | 250 VAC |
Response time | |
| Response time (0…90%, 100…10%) | < 7 ms |
| 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 0.05% |
| Temperature coefficient | < ±0.01% of span / °C |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications – – PR 3103 Isolated repeater
Current input | |
| Measurement range | 0…23 mA |
| Input voltage drop | < 1.5 VDC |
| Input resistance | Nom. 20 Ω + PTC 50 Ω |
Output specifications – – PR 3103 Isolated repeater
Current output | |
| Signal range | 0…23 mA |
| Load (@ current output) | ≤ 600 Ω |
| Load stability | ≤ 0.002% of span / 100 Ω |
| Current limit | ≤ 28 mA |
| of span | = 0…20 mA |
I.S. / Ex marking – – PR 3103 Isolated repeater
| ATEX | II 3 G Ex ec IIC T4 Gc |
| IECEx | Ex ec IIC T4 Gc |
| FM, US | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4 |
| FM, CA | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4 |
| EAC Ex | 2Ex nA IIC T4 Gc X |
Observed authority requirements
| EMC | 2014/30/EU & UK SI 2016/1091 |
| LVD | 2014/35/EU & UK SI 2016/1101 |
| ATEX | 2014/34/EU & UK SI 2016/1107 |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
| EAC | TR-CU 020/2011 |
| EAC Ex | TR-CU 012/2011 |
Approvals – PR 3103 Isolated repeater
| ATEX | KEMA 10ATEX0147 X |
| IECEx | KEM 10.0068X |
| UKEX | DEKRA 21UKEX0055X |
| c FM us | FM17US0004X / FM17CA0003X |
| c UL us, UL 61010-1 | E314307 |
| CCC | 2020322310003554 |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
| DNV Marine | TAA00001RW |
Data sheet & Manuals – PR 3103 Isolated repeater
PR 3103 Datasheet
PR 3103 Manuals
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