ECPIP1-0 B & R Automation
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The B & R Automation ECPIP1-0 is part of the ECP Multi Control Modules series and provides 8 outputs with a resolution of 10 bits plus sign. This module has an output signal of ±10 V and a per-channel load of ±20 mA. It offers a gain drift of ±0.12% per degree Celsius and an offset drift of ±0.05%.
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Product Description:
The ECPIP1-0 is an analog output control module produced by B & R Automation for installation within the ECP Multi Control Modules series. The unit supplies voltage signals to field actuators and transducers, serving as a bridge between the PLC backplane and process hardware in distributed automation cells. By converting internal numeric setpoints into stable bipolar voltages, the module allows the central control task to precisely adjust connected drives, valves, and measurement equipment. This functionality supports applications that require multiple analog commands to be generated from a shared control platform without separate signal converters.
At a reference temperature of 20 °C, the module maintains a gain error of ±0.2% and overall linearity of 0.2%, so the delivered output closely follows the commanded value across its full range. Thermal stability is characterized by a gain drift of ±0.12%/°C and an offset drift limited to ±0.05%; these values indicate the expected deviations when the cabinet temperature changes. The module provides 8 independent outputs that share a common supply rail. Because the channels do not have galvanic isolation, their reference potential is tied to the system ground. This arrangement is intended for installations where the connected signal circuits use a common electrical reference and do not require isolation between individual channels.
At 20 °C, the channels have an offset error of ±0.1%, while each output delivers a bipolar signal range of ±10 V to connected field wiring. Each channel supports a load of ±20 mA, allowing direct connection to most high-impedance instrumentation without additional buffering. The digital resolution is 10-bit plus sign, providing 1,024 discrete steps and polarity information for precise setpoint adjustment. Internally, the board draws 4.4 W from the −30 V rail, 3.3 W from the +15 V rail, and 0.5 W from the +8 V logic supply. These separate power demands must be included when allocating backplane capacity and managing heat within the control enclosure.
