The Siemens SIMATIC ET 200SP HA AI 4xI 0/4..20mA HART HF HA (6DL1136-6AA00-0PH1) is a high-accuracy 4-channel analog input module for the ET 200SP High Availability distributed I/O system. It provides 4 channels of 0/4-20 mA current input with integrated HART communication on all channels, achieving accuracy better than 0.1% of span with 16-bit resolution. The module features galvanic isolation between channels and the backplane bus, comprehensive diagnostics, and supports H-CIR (High Availability Circulate) mode for seamless failover in redundant configurations. Ideal for precision measurement of pressure, flow, level, and analytical transmitters in oil & gas, chemical, pharmaceutical, and power generation process plants where both high accuracy and high availability are critical.
Q: What is the measurement accuracy of this module?
A: Very high accuracy, typically better than 0.1% of span.
Q: How many HART channels are available?
A: All 4 channels support integrated HART communication for simultaneous analog + digital data.
Q: What input ranges are supported?
A: 0-20 mA and 4-20 mA current input ranges.
Q: Is there isolation between channels?
A: Yes, galvanic isolation exists between channels and the backplane bus.
Q: What is H-CIR mode?
A: H-CIR (High Availability Circulate) enables seamless controller switchover in redundant systems without process interruption
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