+24 V EX
0 V EX
ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC
TwinSAFE SC: Making standard signals usable for safety tasks
The ELX3312 analog input terminals allows the direct connection of thermocouples located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3312 can operate sensors with 2-wire technology. Linearisation is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Millivolt measurement is also possible with ELX3312.
With the aid of the TwinSAFE SC technology (TwinSAFE Single Channel) it is possible to make use of standard signals for safety tasks in any network or fieldbus. To do this, EtherCAT I/Os from the areas of analog input, position measurement or communication (4…20 mA, incremental encoder, IO-Link, etc.) are extended by the TwinSAFE SC function. The properties typical for the signals and the standard functions of the I/O components are retained. TwinSAFE SC I/Os differ optically from standard I/Os by a yellow stripe on the front of the housing.
The TwinSAFE SC technology enables communication via a TwinSAFE protocol. These connections can be distinguished from the usual secure communication via Safety over EtherCAT.
The data from the TwinSAFE SC components is fed via a TwinSAFE protocol to the TwinSAFE Logic, where it can be used in the context of safety-relevant applications. Detailed examples confirmed/calculated by the TÜV SÜD for the correct application of the TwinSAFE SC components and the respective normative classifications can be found in the TwinSAFE application manual.
|Sensor types||thermocouples type K, J, L, E, T, N, U, B, R, S, C (default: type K)|
|Number of inputs||2 (differential)|
|Measuring range||depending on sensor type, default type K: -200…+1350 °C, voltage measurement: ±30…±100 mV, for further types and details see documentation|
|Resolution||0.1 °C per digit|
|Measuring error||< ±0.3 % (relative to full scale value)|
|Internal resistance||typ. ≥ 10 kΩ (differential)|
|Input filter limit frequency||typ. 1 kHz; depending on sensor length, conversion time, sensor type|
|Conversion time||10…5000 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 linearisation integrated, TwinSAFE SC|
|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. class/installation pos.||IP 20/see documentation|
|Approvals/markings||CE, UL, ATEX, IECEx, cFMus|
II 3(1)G Ex ec [ia Ga] IIC T4 Gc
II (1)D [Ex ia Da] IIIC
I (M1) [Ex ia Ma] I
Ex ec [ia Ga] IIC T4 Gc
[Ex ia Da] IIIC
[Ex ia Ma] I
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
|Design form||compact terminal housing with signal LEDs|
|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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