Products Description
HIMA F621738 Safety Analog Input Module

Technical Specifications
Model:F621738
Brand:HIMA
Safety certification:SIL3,IEC61508,TÜV certified
Channel:32-channel analog input
Signal type:0/4~20mA,0~5V/0~10V
Resolution:12-bit
Diagnosis:Per-channel wire break,short circuit and overrange monitoring
Mounting:Plug-in subrack installation
Protection class:IP20
Power supply:24V DC
Operating temperature:-20~+70℃
Relative humidity:5~95% non-condensing
Weight:0.45kg
Certification:CE
System compatibility
Special variant version of F6217,designed for HIMA HIQuad X safety system,collects pressure,temperature and flow analog signals from field transmitters,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.
Function
SIL3 32-channel safety analog input module.It acquires analog measurement signals from field transmitters,converts to digital data and transmits to HIQuad X safety controller.Each channel supports galvanic isolation and independent loop fault monitoring.When wire break,short circuit or signal overrange detected,the module triggers fault alarm and system enters predefined safe state.
Installation
Plug into HIQuad X rack backplane,wire field transmitters to module terminals,configure signal type via SILworX engineering software.
Interface
‑32 channels analog signal input terminals
‑Backplane safety bus connector
‑LED indicators for channel,communication and fault status
Circuit feature
1oo2 fail-safe safety architecture,continuous hardware self-test,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.
Feature
HIQuad X series special variant SIL3 analog input module F621738. Common faults:input channel damage,terminal connector failure,backplane contact failure.Confirm firmware version before replacement.
Diagnostic
Input circuit wire break,short circuit or signal out of range triggers fault alarm;controller executes safety interlock logic.

Built‑in function
F621738 collects field analog measurement signals for SIS safety instrumented system emergency shutdown protection,widely used for process plant safety spare replacement.
Product Brief
F621738 belongs to HIMA HIQuad X family,plug-in SIL3 32-channel analog input module (special variant of F6217) for HIQuad X safety subrack. Verify rack compatibility before ordering.Test analog channel and diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.