The F 3221 (also designated as F3221) is a safety-related 16-fold digital input hardware component engineered for deployment within HIMA HIQuad X high-integrity programmable electronic safety systems. This specific assembly functions to receive, monitor, and process binary signal data or voltage transitions tracking from field-located binary sensors or 24 V mechanical switching contacts. Operating with structural non-interacting (R non-interacting) logic segregation, the module safeguards internal system backplane communication from high-voltage transients while establishing absolute safety isolation barrier boundaries. This component serves critical processing loops to relay field instrumentation device states back into central controller frameworks safely under strict safety isolation limits.
Features
Processes 16 discrete input channels with a non-interacting circuit topology
Provides specialized safety isolation for integrated sensors or binary inputs
Fast technical processing cycle with a typical switching time of 10 ms
Compact backplane architecture requiring exactly 4 TE of rack sub-assembly space
Applications
High-reliability safety isolation for field binary sensors within HIQuad X architectures
Digital input marshalling within emergency shutdown systems
1-signal, 8 mA (incl. cable plug) or mechanical contact 24 V
Switching Time
typ. 10 ms
Space Requirement
4 TE
Operating Data (5 V DC)
5 V DC: 70 mA
Operating Data (24 V DC)
24 V DC: 130 mA
Connections/Interfaces
System Component Link
Interface Type Designation
Front Connector Interfacing
Z 7116 / 3221
System Bus Interfacing
I/O bus
Installation Guidelines
Guide Channel Insertion: Align the bottom and top frame tracks of the card with the sub-rack guide paths to ensure clear backplane path entry.
Rear Contact Engagement: Slide the hardware assembly inward firmly until the multi-pin backplane interface docks completely into the passive I/O bus socket.
Front Panel Retention: Torque down all front-facing captive panel screws to lock the card mechanically, minimizing drift against localized vibration.
Compliance and Certifications
CE
SN-Test-Certificate 12 D 2/H 19-66 R/82
FAQ
What are the core current ratings for the device operating data rails?
The device demands 70 mA at 5 V DC and 130 mA at 24 V DC under nominal operating parameters.
What types of sensors can be interfaced to the input channels?
The channels accommodate binary 1-signals drawing 8 mA including the front plug assembly, as well as mechanical 24 V dry contacts.
What is the physical width requirement of this hardware component inside a sub-rack?
The hardware requires exactly 4 TE of horizontal physical space within the system enclosure frame.
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