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 | |
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Strain gauge | quarter 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 measurement | potentiometer ≥ 1 kΩ, supply integrated and adjustable 0…5 V |
Temperature measurement (RTD) | Pt1000 |
Technical data | EPP3504-0023 |
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Protocol | EtherCAT |
Bus interface | 2 x M8 socket, P-coded, shielded |
Technology | resistor bridge, strain gauge |
Number of channels | 4 |
Input connections | connector with spring-loaded system |
Connection method | 2-/3-/4-/5-/6-wire |
Connection type | push-in, service plug 6-pin |
Max. sampling rate | max. 100 µs/10 ksps (per channel, simultaneously) |
Oversampling factor | n = 1…100 selectable (max. 10 ksamples/s) |
Voltage measurement | ±10 V, ±80 mV, 0…10 V |
Resolution | 24 bit (incl. sign) |
Signal type | differential |
Internal resistance | > 4 MΩ |
Measurement error/uncertainty | typ. < ±1000 ppm/±0.1% in some measuring ranges, relative to the respective full scale value, see documentation |
Nominal voltage | 24 V DC (-15%/+20%) |
Temperature coefficient | up to typ. < 1 ppm/K in some measuring ranges, see documentation |
Functional diagnostics | yes |
Connection diagnostics | broken wire/short circuit |
Distributed clocks | yes, accuracy << 1 µs |
Current consumption from US | typ. 150 mA |
Current consumption from UP | none (only diagnostics LED, sensors are supplied from Us) |
Electrical isolation channel/channel | no |
Electrical isolation channel/bus | 707 V DC (type test) |
Electrical isolation channel/SGND | 707 V DC (type test) |
Thermal dissipation | typ. 3 W |
Special features | ExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold |
Weight | approx. 250 g |
Operating/storage temperature | 0…+55°C/-25…+85°C |
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. rating/installation pos. | IP20/variable conforms to EN 60529 (see documentation) |
Approvals/markings | CE, UL (in preparation) |
Housing data | 16 x M8, 8 x M12 |
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Dimensions (W x H x D) | 60 mm x 126 mm x 26.5 mm |
Material | PA6 (polyamide) |
Installation | 2 fixing holes 3.5 mm diameter for M3; 2 fixing holes 4.5 mm diameter for M4 |
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