Products Description
Honeywell 1010521(10105/2/1) Analog Input Module

Technical Specifications
Model:1010521(10105/2/1)
Brand:Honeywell
Module type:Fail-safe high density analog input module
Input channels:16 channels
Input signal:0~4.1V DC
Backplane power:5V DC,35mA
Field signal:24V DC
Safety certification:TÜV SIL3(IEC61508)
Redundancy:Support redundant configuration
Operating temperature:0~+60℃
Relative humidity:5~95% non-condensing
Weight:0.15kg
Certification:CE,TÜV SIL3
System compatibility
Designed for Honeywell FSC safety instrumented system(SIS),installed in FSC safety rack,cooperates with FSC series controller and FTA terminal assembly,interconnects with Honeywell Experion PKS DCS,widely used in petrochemical,oil & gas,chemical refining ESD emergency shutdown and fire & gas safety monitoring.
Function
1010521(10105/2/1) is FSC 16-channel fail-safe high density analog input module.It collects analog process signals from field transmitters,convert 4-20mA signal to 0~4.1V via FTA terminal assembly or signal conversion module.Each channel supports continuous self-diagnosis for wire break,short circuit and signal abnormality.Adopt fail-safe design,automatically switch to safe state when module fault occurs.Transmit collected analog data to FSC controller through rack backplane bus for safety interlock calculation.
Installation
Install on FSC rack backplane slot,connect field transmitters to FTA termination assembly,configure channel range and diagnosis parameters via Honeywell FSC engineering software.Hot swap supported under redundant configuration.
Interface
‑Backplane bus connector
‑FTA terminal cable interface
‑LED indicators for module run,channel status and fault alarm
Circuit feature
Fail-safe hardware architecture,per-channel self-diagnosis,galvanic isolation,high diagnostic coverage,strong anti-electromagnetic interference,suitable for safety critical continuous industrial operation.
Feature
1010521(10105/2/1) belongs to Honeywell FSC SIS safety I/O series.Common faults:terminal assembly poor contact,signal conversion circuit drift,backplane connector damage.Confirm FSC rack firmware and FTA model before replacement.
Diagnostic
Channel open circuit,short circuit,overrange or module hardware fault triggers alarm and upload diagnostic information to safety workstation.

Built‑in function
Collect analog process signals for safety instrumented system,used for SIS safety spare replacement.
Product Brief
1010521(10105/2/1) is Honeywell FSC SIL3 16-channel high density fail-safe analog input module.Check FSC rack and FTA termination assembly compatibility before ordering.ESD anti-static protection required during installation.