ELX3204 | EtherCAT Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i
+24 V EX
0 V EX
ELX3204 | EtherCAT Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i
The system-integrated solution for explosion protection: PC-based control
The ELX3204 analog input terminal allows the direct connection of RTDs located in hazardous areas classified zone 0/20 or 1/21. The circuitry of the ELX3204 can operate sensors with 2-wire technology. Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to Pt100 sensors with 2-wire technology. The ELX3204 terminal indicates signal state and sensor malfunctions (e.g. wire breakage) by means of LEDs.
EtherCAT terminals of the ELX series must always be operated in conjunction with the ELX9560 power supply terminal. This terminal generates an electrically isolated output voltage (24 V EX) from the input voltage (24 V DC) for supplying the subsequent ELX terminals. If a new power supply is required, the combination of an ELX9410 and an ELX9560 can be used so that further ELX terminals can be added. The ELX terminal string must be terminated with one ELX9012 or two ELX9410.
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| Technical data | ELX3204 |
|---|---|
| Number of inputs | 4 (differential) |
| Power supply | via the E-bus |
| Connection method | 2-wire |
| Temperature range | -200…+850 °C (Pt sensors); -60…+250 °C (Ni sensors), for further types and details see documentation |
| Resolution | up to 0.01 °C per digit (preset: 0.1 °C per digit) |
| Measuring current | < 1 mA (depending on sensor and measuring range) |
| Measurement error/ uncertainty | < ±0.3 % (relative to full scale value) |
| Internal resistance | typ. ≥ 10 kΩ (differential) |
| Input filter limit frequency | typ. 1 kHz |
| Sensor types | Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, resistance measurement (10 Ω…4 kΩ), KT(Y) sensors |
| Conversion time | 10…3300 ms (adjustable, default: 270 ms) |
| Supply voltage electronics | 24 V DC (via power contacts), ELX9560 power supply |
| Current consumption power contacts | typ. 10 mA |
| Current consumption E-bus | typ. 70 mA |
| Special features | limit value monitoring, digital filter and characteristic curve linearization integrated, connection method freely configurable |
| Weight | approx. 60 g |
| Operating/storage temperature | -25…+60 °C/-40…+85 °C |
| Relative humidity | 95 %, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/see documentation |
| Approvals/markings | CE, UL, ATEX, IECEx, cFMus, CCC |
| Ex marking | ATEX: II 3(1)G Ex ec [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I IECEx: Ex ec [ia Ga] IIC T4 Gc [Ex ia Da] IIIC [Ex ia Ma] I cFMus: AIS Class I, II, III, Division 1, Groups A thru G Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc [AEx ia Da] IIIC T4 |
| Housing data | ELX-12-8pin |
|---|---|
| Design form | compact terminal housing with signal LEDs |
| Material | polycarbonate, blue |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side by side mounting by means of | double slot and key connection |
| Marking | labeling of the BZxxx series |
| Wiring | solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver |
| Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection cross-section AWG | s*: AWG 28…14, st*: AWG 28…14, f*: AWG 26…16 |
| Stripping length | 8…9 mm |
| Power contacts | 2 blade/spring contacts |
*s: solid wire; st: stranded wire; f: with ferrule
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