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EP1258-0002 | EtherCAT Box, 8-channel digital input, 24 V DC, 1 µs, M12, timestamp

EP1258-0002 | EtherCAT Box, 8-channel digital input, 24 V DC, 1 µs, M12, timestamp

EP1258-0002 | EtherCAT Box, 8-channel digital input, 24 V DC, 1 µs, M12, timestamp

EtherCAT signal input
EtherCAT signal output
M12 I/O connection sockets
Signal status display
Labeling areas
Power supply status display:
Box supply (US)
Auxiliary voltage (UP)
Power supply feed
Power supply downstream
connection
1 | Tx+
2 | Rx+
3 | Rx-
4 | Tx-
1 | +24 V DC US
2 | Input B
3 | GND
4 | Input A
5 | n.c.
1 | +24 V DC US
2 | +24 V DC UP
3 | GND
4 | GND
2-wire
3-wire
Top view 
I/O connection 
Connector assignment 
with time stamp 
without time stamp 
EP1258-0002 | EtherCAT Box, 8-channel digital input, 24 V DC, 1 µs, M12, timestamp

EP1258-0002 | EtherCAT Box, 8-channel digital input, 24 V DC, 1 µs, M12, timestamp

The EP1258-0002 EtherCAT Box with digital inputs acquires the fast binary control signals from the process level and transmits them, in an electrically isolated form, to the controller. The signals are furnished with a timestamp that identifies the time of the last edge change with a resolution of 1 ns. This technology enables signals to be traced exactly over time and synchronized with the distributed clocks across the system. With this technology, machine-wide parallel hardware wiring of digital inputs or encoder signals for synchronization purposes is often no longer required. In this way, the EP1258 enables responses with equidistant time intervals, largely independent of the bus cycle time.

Product status:

regular delivery

Product information

Technical dataEP1258-0002
ProtocolEtherCAT
Bus interface2 x M8 socket, 4-pin, a-coded, shielded
SpecificationEN 61131-2, type 1/3
Number of inputs8, 2 with timestamp
Input connectionsM12 x 1, 5-pin, a-coded
Nominal input voltage24 V DC (-15%/+20%)
Input filter10 µs
“0” signal voltage-3…+5 V (similar to EN 61131-2, type 3)
“1” signal voltage11…30 V (similar to EN 61131-2, type 3)
Input currenttyp. 3 mA (similar to EN 61131-2, type 3)
Distributed clocksyes
Sensor supplyfrom control voltage, max. 0.5 A, short-circuit proof in total
Power supply connectionfeed: 1 x M8 male socket, 4-pin, a-coded; downstream connection: 1 x M8 female socket, 4-pin, a-coded
Resolution timestamp1 ns (channel 0/1)
Precision of timestamp10 ns (+ input delay) (channel 0/1)
Distributed clock precision< 100 ns (channel 0/1)
Current consumption from US120 mA
Electrical isolation500 V
Special featurestimestamp, latch last edge
Weightapprox. 165 g
Operating/storage temperature-25…+60°C/-40…+85°C
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP65/66/67 (conforms to EN 60529)/variable
Approvals/markingsCE, UL, ATEX
Ex markingII 3 G Ex nA IIC T4 Gc
Housing data8 x M8, 4 x M12
Dimensions (W x H x D)30 mm x 126 mm x 26.5 mm
MaterialPA6 (polyamide)
Installation2 fixing holes 3.5 mm diameter for M3

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