Description
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BrandHIMA
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ModelDI3201
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Product NameSafety‑Related 32‑Channel Digital Input Module
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Dimensions185 mm × 261 mm × 20 mm
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Weight0.34 kg
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Place of OriginGermany
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HS Code8537101190
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Operating Temperature0 °C to +60 °C
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Storage Temperature‑40 °C to +85 °C
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Power Supply‑3‑5 VDC
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Warranty1 year
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Statusnew and original
HIMA X-DI3201 Input, Output, Compatible Systems & Software
Input
The X-DI3201 features 32 digital input channels designed for 24 VDC binary field signals. It works with PNP-type sensors, mechanical switches and contact-based field equipment. Every channel is equipped with loop diagnosis to detect open-circuit and short-circuit conditions. Galvanic isolation separates field circuits from the internal system bus to resist external interference. Analog input functionality is not implemented on this module.
Output
As a dedicated digital input module, it has no physical output terminals for field-side loads. Processed digital status signals and diagnostic fault messages are transferred to the safety controller through the backplane bus. On-board LED lights offer visual indication for individual-channel and overall module operating conditions.
Compatible Systems
HIMax safety control system with X-series backplane
HIMatrix F-series safety controller platform
Hot-swap capability is available when mounted on matching system sub-racks.
Compatible Software
SILworX: Main engineering tool covering hardware configuration, parameter assignment, application programming, online diagnostics and real-time fault surveillance.
ELOP II Factory: Valid for selected HIMatrix firmware revisions to execute project setup and application programming. Users can adjust parameters such as input filter delay and wire-diagnosis enablement under certified software surroundings for safety-relevant applications.

Working principle of HIMA DI3201
The HIMA DI3201 serves as a digital input module dedicated to safety‑critical control applications. It acquires binary switch‑type signals transmitted from on‑site sensors and switching devices. Galvanic isolation is implemented between field circuits and the system backplane to eliminate electromagnetic disturbance. Every input channel identifies high‑and low‑level states of field hardware and translates external discrete inputs into digital data interpretable by the safety CPU. Built‑in dual‑channel diagnostic logic keeps checking field wiring for open‑loop failures, short‑circuit defects and connection anomalies. Detected fault data is forwarded to the central processing unit for safety logic computation and fault notification. Designed with safety‑certified hardware construction, this module complies with functional safety standards. It maintains stable digital‑signal capture during operating anomalies and triggers corresponding safe‑state actions once malfunctions are identified.