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倍福模块el2258 PLC模块el2258原装现货供应 BECKHOFF
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现场总线
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BK系列，KL系列，KS系列，KM系列
EtherCAT
EK系列，BK系列,EL系列，ES系列，EM系列
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EL2258 | 8-channel digital output terminal with multi-timestamping
The 8-channel EL2258 digital output terminal switches the binary output signals of the controller electrically isolated from the process level. As in the EL2252, the outputs of the EL2258 are switched with high precision relative to the transferred timestamp, although there are certain differences in the details: eight instead of two channels, coarser temporal resolution and AutoActivation, which enables consecutive switching tasks in each cycle. With multi-timestamping as many events can be read per channel in each EtherCAT cycle, as were pre-loaded in the internal buffer.
The distributed clocks are used as time reference. In conjunction with timestamp input terminals, the EL2258 enables responses at equidistant intervals that are largely independent of the bus cycle time.
Technical data EL2258
Connection technology 2-wire
Number of outputs 8
Rated load voltage 24 V DC (-15 %/+20 %)
Load type ohmic, inductive, lamp load
Oversampling/multi-timestamping factor n = integer multiple of the cycle time, 1…10
Internal sampling/execution < 10…40 μs, corresponds to 100…25 k detectable edges/s, dependent on configuration
Distributed clocks yes
Distributed clock precision << 1 μs
Output delay through 24 V power section typ. < 1 μs
Max. output current 0.5 A (short-circuit-proof) per channel
Short circuit current < typ. 1 A
Reverse voltage protection yes
Breaking energy < 150 mJ/channel
Switching times typ. TON: < 1 μs, typ. TOFF: < 1 μs
Output stage push
Current consumption E-bus typ. 130 mA
Electrical isolation 500 V (E-bus/field potential)
Current consumption power contacts typ. 30 mA + load
Bit width in the process image 8 bit output (ch. 1 + ch. 2), 9 byte timestamp
Special features multi-timestamping, auto activation
Weight approx. 55 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
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/variable
Approvals CE
