ECPE82-1/PE82 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation ECPE82-1/PE82 is a multi control module from the ECP Multi Control Modules series that offers eight inputs and a nominal input signal range of 0 to 10 V. It features a 10-bit resolution, an input filter cutoff frequency of 640 Hz, and differential input resistance of 400 kiloohms. Power consumption for the module is 0.4 W at +15 V, 0.7 W at +8 V, and 0.3 W at -30 V.
Internal Product Review
The ECPE82-1/PE82 is a B & R Automation multi control module with 8 inputs and a 0 to 10 V nominal input signal. Technical performance is impressive, with ±0.3% basic precision at 20 °C and 10-bit resolution supporting dependable signal handling. A 640 Hz input filter cutoff supports stable measurement behavior, making the module a strong choice for control integration.
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Product Description:
The ECPE82-1/PE82 is an input sub-assembly manufactured by B&R Automation as part of the ECP Multi Control Modules series. It accepts multiple low-level voltage signals and passes them to the host CPU, allowing the controller to supervise motion axes, analog actuators, or general process variables without external signal conditioning. By integrating the card inside the same rack as the servo and logic hardware, wiring complexity and conversion latency are minimized.
At 20 °C, the module’s basic precision is ±0.3 %, so the reported value deviates only slightly from the true input. Each channel presents a differential impedance of 400 kΩ, keeping sensor loading negligible and maintaining signal integrity across long cable runs. The acquisition range is 0 to 10 V, a span commonly used by pressure transducers, potentiometric position sensors, and drive references. The conversion depth is 10-bit, supplying 1024 discrete codes that the PLC can map to engineering units. With 8 separate inputs, the board gathers grouped process data in a single scan. Linearity remains within 0.2 %/V, while gain drift of ±0.025 %/°C and offset drift of ±0.0025 %/°C help limit temperature-related error during warm-up or ambient swings.
Signal conditioning precedes conversion through an internal low-pass stage with a cutoff of 640 Hz and a roll-off of 6 dB/Decade, which helps attenuate switching noise from nearby drives. The protected front end tolerates excursions up to ±22 V without damage, and a dual-color limit LED indicates when either threshold is exceeded. Because galvanic isolation is not provided, system grounding must be planned so that common-mode offsets stay within the allowable window. The logic rail draws 0.7 W, while auxiliary rails consume 0.3 W at –30 V and 0.4 W at +15 V, keeping overall heat dissipation modest for dense cabinets.
