Products Description
HIMA X-SB01 System Bus Base Module

Technical Specifications
Model:X-SB01
Part No:985210207
Brand:HIMA
Safety certification:SIL3,IEC61508
Power supply:24V DC,max 0.65A
Type:System bus subrack baseplate
Diagnosis:Module insertion detection,bus fault monitoring
Mounting:Plug-in rack installation
Protection class:IP20
Operating temperature:-20~+60℃
Relative humidity:5~95% non-condensing
Weight:1.2kg
Certification:CE
System compatibility
Designed for HIMA HIMax PES safety system.It is the base backplane for HIMax series CPU,I/O and communication modules,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.
Function
HIMA X-SB01 system bus baseplate.It provides internal safety bus signal transmission and power distribution for all plug-in modules on the subrack.It supports hot swap of individual I/O modules without shutting down the whole safety system.The base monitors module status and reports insertion or bus fault to safety controller.
Installation
Install as HIMax subrack base,lock into rack frame,wire 24V DC power supply,insert CPU and I/O modules into slots,configure system via SILworX engineering software.
Interface
‑24V DC power terminals
‑Internal system bus connectors for modules
‑LED indicators for bus run and fault status
Circuit feature
SIL3 safety bus backplane design,galvanic isolation,hot swap architecture,stable power and signal distribution,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.
Feature
HIMax series system bus baseplate X-SB01. Common faults:bus connector pin oxidation,terminal loose,internal trace damage.Confirm module compatibility before replacement.
Diagnostic
Bus communication failure or module insertion error triggers fault alarm;controller executes safety interlock logic.

Built‑in function
X-SB01 serves as system bus backbone and power distribution base for SIS safety instrumented system emergency shutdown protection,widely used for process plant safety spare replacement.
Product Brief
X-SB01 (P/N 985210207) belongs to HIMA HIMax family,SIL3 system bus baseplate supporting hot swap. Verify rack and module compatibility before ordering.Test bus communication during commissioning. ESD anti‑static protection shall be followed during installation.