EL4028 | 8-channel analog output terminal 4…20 mA, 12bit
The EL4028 analog output terminal generates signals in the range between 4 and 20 mA. The power is supplied to the process level with a resolution of 12 bits and is electrically isolated. Ground potential for the output channels of the EtherCAT Terminal is common with the 24 V DC supply. The output stages are powered by the 24 V supply. The EL4028 combines eight channels in one housing. The signal state of the EtherCAT Terminal is indicated by light emitting diodes.
| Technical data | EL4028 | ES4028 |
|---|---|
| Connection technology | 1-wire, single-ended |
| Number of outputs | 8 |
| Power supply | 24 V DC via power contacts |
| Signal current | 4…20 mA |
| Distributed clocks | yes |
| Distributed clock precision | << 1 µs |
| Load | < 150 Ω |
| Output error | < 0.1 % (relative to end value) |
| Resolution | 12 bit |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Conversion time | ~ 400 µs |
| Current consumption power contacts | typ. 60 mA |
| Current consumption E-bus | typ. 100 mA |
| Bit width in the process image | 8 x 16 bit AO output |
| Special features | Optional watchdog: user-specific output value with ramp; user synchronisation can be activated. |
| 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/variable |
| Pluggable wiring | for all ESxxxx terminals |
| Approvals/markings | CE, UL, ATEX |
| Ex-Marking | II 3 G Ex nA IIC T4 Gc |
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