Analog Input
EL3201, EL3202
Run LED1
Error LED1
+R1
-RL1
+RL1
-R1
Shield
Power contact 0 V
Power contact
+24 V
+24 V
Top view
Contact assembly
Connection
3-wire
2-wire
4-wire
+R
+R
-R
+R
+RL
-R
+R
+RL
-R
-RL
Run LED1
Error LED1
+R1
Schirm
+RL1
-R1
Run LED2
Error LED2
+R2
+RL2
-R2
Shield
Power contact 0 V
Power contact
+24 V
+24 V
Top view
Contact assembly
Connection
3-wire
2-wire
+R
+R
-R
+R
RL
-R
EL3201, EL3202 | 1-, 2-channel input terminals PT100 (RTD) for 2-, 3- or 4-wire connection
The EL3201 and EL3202 analog input terminals allow resistance sensors to be connected directly. The EtherCAT Terminal circuitry can operate 2- and 3-wire sensors. The EL3201 can operate 4-wire versions in addition. A microprocessor handles linearisation across the whole temperature range, which is freely selectable. The EtherCAT Terminal’s standard settings are: resolution 0.1 °C in the temperature range of PT100 sensors in 3-wire connection. The EtherCAT Terminals indicate their signal state by means of light emitting diodes. Sensor malfunctions such as broken wires are indicated by error LEDs.
| Technical data | EL3201 | ES3201 | EL3202 | ES3202 |
|---|---|---|
| Number of inputs | 1 | 2 |
| Power supply | via the E-bus | |
| Sensor types | PT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000 resistance measurement 0…1/4 kΩ (e.g. for potentiometer) | |
| Connection method | 2-, 3-, 4-wire | 2- or 3-wire (default: 3-wire) |
| Temperature range | -250…+850 °C (PT sensors); -60…+250 °C (Ni sensors) | |
| Resolution | 0.1 °C per digit | |
| Conversion time | ~ 200 ms default setting, configurable (65…500 ms, see documentation) | approx. 800 ms up to 2 ms, depending on configuration and filter setting, see documentation, default: approx. 85 ms |
| Measuring current | typ. 0.5 mA | |
| Measuring error | < ±0.5 °C for PT sensors (further types see documentation) | |
| Electrical isolation | 500 Vrms (E-bus/signal voltage) | |
| Current consumption E-bus | 190 mA (see documentation) | |
| Bit width in the process image | 1 x 32 bit RTD input | 2 x 32 bit RTD input |
| Weight | approx. 60 g | |
| Operating/storage temperature | 0…+55 °C/-25…+85 °C | |
| Relative humidity | 95 %, no condensation | |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27/29 | |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 | |
| Protect. class/installation pos. | IP 20/variable | |
| Pluggable wiring | for all ESxxxx terminals | |
Product announcement |
EL3201, EL3202: available ES3201: estimated market release 4th quarter 2008 ES3202: estimated market release 3rd quarter 2008 |