130B1243
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The Danfoss 130B1243, part of the Danfoss Cables and Accessories series, provides three galvanically isolated analog inputs with a voltage range of 0-10 V. It features three analog outputs, supports Pt1000 and Ni1000 sensors, and includes a lithium cell RTC backup battery with a life of 10 years.
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Product Description:
The 130B1243 I/O Extension increases analog inputs and outputs. It supports voltage and temperature signals for flexible operation. The module includes a long lasting battery backup for clock functions.
The model 130B1243 is an I/O expansion module for FC 100 frequency converters. It increases available connections by providing three configurable analog inputs and three analog outputs. The inputs can be used as voltage inputs ranging from 0 – 10 V DC or as temperature sensor inputs using PT1000 and NI1000 sensors. Each input supports a current range of 0/4–20 mA when configured for voltage input. The accuracy of temperature measurement is ± 1 K within - 50 °C to + 150 °C while voltage measurement has 0.2 % full scale accuracy at the calculated temperature. The resolution is 11 bits for temperature and 10 bits for voltage inputs. The input sampling rates are 3 Hz for temperature and 2.4 Hz for voltage. The impedance of voltage inputs is 5 kΩ. The analog outputs provide a voltage level from 0 – 10 V DC with 11 bit resolution. Each output has 1 % full scale linearity and supports a maximum load of 1 mA. The inputs and outputs are galvanically isolated to ensure reliable operation and electrical safety. The module uses modular technology that allows easy retrofit and integration into existing installations. This enables simple expansion of control capacity without significant downtime or rewiring.
The 130B1243 I/O extension module from Danfoss includes an integrated battery backup system supporting the built in clock function of the frequency converter. The battery typically provides a service life of 10 years depending on environmental conditions. The three analog inputs and three analog outputs can be configured for varied industrial applications including process control, monitoring and automation tasks requiring high precision and reliability.
Frequently Asked Questions about 130B1243:
Q: How does the 130B1243 I/O extension module enhance analog signal flexibility in FC 100 frequency converter systems?
A: It adds three configurable analog inputs and three analog outputs for voltage or temperature signal handling. This expands control options in process, automation, and monitoring systems.
Q: What performance characteristics define the temperature sensing capability of the 130B1243 I/O extension module?
A: It supports PT1000 and NI1000 sensors with ±1 K accuracy in the -50 °C to +150 °C range. The 11-bit resolution ensures reliable temperature profiling across sensitive industrial loads.
Q: How does the 130B1243 I/O extension module manage signal isolation and ensure electrical safety in mixed signal environments?
A: All analog inputs and outputs are galvanically isolated to prevent cross-signal interference. This provides robust protection and improves system reliability in electrically noisy installations.
Q: What role does the analog output precision of the 130B1243 module play in control signal reliability?
A: Each output delivers up to 10 V DC with 11-bit resolution and 1 % full-scale linearity. This ensures accurate actuation or feedback in tightly regulated automation systems.
Q: How does the integrated battery in the 130B1243 I/O extension module contribute to system continuity and data retention?
A: It supports the frequency converter’s internal clock function with a typical 10-year battery life. This reduces maintenance needs and preserves timing integrity during power interruptions.
