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EPP3504-0023 | EtherCAT P Box, 4-channel analog input, measuring bridge, full/half/quarter bridge, 24 bit, 10 ksps, IP20 connector

EPP3504-0023 | EtherCAT P Box, 4-channel analog input, measuring bridge, full/half/quarter bridge, 24 bit, 10 ksps, IP20 connector

EPP3504-0023 | EtherCAT P Box, 4-channel analog input, measuring bridge, full/half/quarter bridge, 24 bit, 10 ksps, IP20 connector

EtherCAT P signal input
EtherCAT P signal output
I/O connection sockets
push-in, service plug 6-pin
Power supply status display:
Box supply (US)
Auxiliary voltage (UP)
1 | Tx+/GNDS
2 | Rx+/GNDP
3 | Rx-/UP
4 | Tx-/US

X01, X02, X03, X04
6 | UV-
5 | UV+
4 | IN2-
3 | IN2+
2 | IN1-
1 | IN1+
Top view 
EPP3504-0023 | EtherCAT P Box, 4-channel analog input, measuring bridge, full/half/quarter bridge, 24 bit, 10 ksps, IP20 connector

EPP3504-0023 | EtherCAT P Box, 4-channel analog input, measuring bridge, full/half/quarter bridge, 24 bit, 10 ksps, IP20 connector

The EPP3504-0023 EtherCAT P Box is designed for the evaluation of measuring bridges in full-bridge, half-bridge and quarter-bridge configuration. It also supports the potentiometer, Pt1000 (RTD) and ±10 V measuring ranges. It is derived from the ELM3504 EtherCAT Terminal and features a sampling rate of 10,000 sps, internal switchable supplementary resistors, and an integrated, parametrizable bridge supply. It also features the same technological properties as the ELM3x0x terminals – i.e., all parameters can be set via EtherCAT using the CoE directory. The EPP3504-0023 is designed for use in close proximity to the measurement site in a protected environment and is therefore equipped with IP20 bridge connections.

Product status:

regular delivery

Product information

System data
Strain gaugequarter bridge (1000/350/120 Ω), half bridge (±16/8/4/2 mV/V), full bridge (±32/8/4/2 mV/V), internal bridge completion and supply adjustable 0…5 V (2-/3-/4-/5-/6-wire connection), shunt calibration
Voltage measurement±10 V, ±80 mV, 0…10 V
Potentiometer measurementpotentiometer ≥ 1 kΩ, supply integrated and adjustable 0…5 V
Temperature measurement (RTD)Pt1000
Technical dataEPP3504-0023
ProtocolEtherCAT
Bus interface2 x M8 socket, P-coded, shielded
Number of channels4
Input connectionsconnector with spring-loaded system
Technologyresistor bridge, strain gauge
Signal typedifferential
Connection technology2-/3-/4-/5-/6-wire
Connection typepush-in, service plug 6-pin
Max. sampling ratemax. 100 µs/10 ksps (per channel, simultaneously)
Oversampling factorn = 1…100 selectable (max. 10 ksamples/s)
Internal resistance> 4 MΩ
Measurement error/ uncertaintytyp. < ±1000 ppm/±0.1% in some measuring ranges, relative to the respective full scale value, see documentation
Temperature coefficientup to typ. < 1 ppm/K in some measuring ranges, see documentation
Functional diagnosticsyes
Connection diagnosticsbroken wire/short circuit
Distributed clocksyes, accuracy << 1 µs
Resolution24 bit (incl. sign)
Electrical isolation channel/channelno
Electrical isolation channel/bus707 V DC (type test)
Electrical isolation channel/SGND707 V DC (type test)
Nominal voltage24 V DC (-15%/+20%)
Current consumption from UStyp. 150 mA
Current consumption from UPnone (only diagnostics LED, sensors are supplied from Us)
Weightapprox. 250 g
Operating/storage temperature0…+55°C/-25…+85°C
Thermal dissipationtyp. 3 W
Special featuresExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold
Protect. rating/installation pos.IP20/variable conforms to EN 60529 (see documentation)
Approvals/markingsCE, (UL in preparation)
Housing data16 x M8, 8 x M12
Dimensions (W x H x D)60 mm x 126 mm x 26.5 mm
MaterialPA6 (polyamide)
Installation2 fixing holes 3.5 mm diameter for M3; 2 fixing holes 4.5 mm diameter for M4

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