90900 HIMA Planar4 Subrack Technical Manual Datasheet

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HIMA 90900 Planar4 Subrack with Bus PCB The HIMA 90900, also cataloged as the 90900 Subrack with Bus PCB, serves...

Código: 90900

Manufacturer: HIMA
Product No.: 90900
Product Type: Digital I/O Cards
Product Origin: Germany
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

HIMA 90900 Planar4 Subrack with Bus PCB

The HIMA 90900, also cataloged as the 90900 Subrack with Bus PCB, serves as the primary 90900 Subrack with Bus PCB utilized to execute module housing, power distribution, and communication routing across HIMA Planar4 System platforms.

Hardware Specifications

Parameter	Specification
Model	90900
Brand	HIMA
Origin	Germany
Weight	1.5 kg
Dimensions	Width: 482.6 mm (19"), Height: 177 mm (4U), Depth: 270 mm
Operating Temp	-40 to +70 deg C
Power Supply	24 VDC (EL+), protected by 16 A fuse or breaker
Module Capacity	20 slots for modules (1-20), slot 21 reserved for communication
Material	Aluminium, chromated
Spacing Units	84 SU (1 SU = 5.08 mm)
Module Compatibility	DIN 41494, 4 SU each
Connectors	DIN 41612, type F, rows z and d
Connection Type	Soldering
Current Capacity	Max 16 A
Fault Signal Loop	Pins z26-d26 link to EC terminals
Input / Output Voltage	24 VDC input / 24 VDC output
Input / Output Current	10 mA input current / 500 mA output current
Storage Temp	-40 to +85 deg C
Humidity Tolerance	5-95% RH, non-condensing
Protection Class	IP20

High Reliability Safety Control (SIS)

The subrack backplane architecture conforms to SIL3 certification constraints by establishing structured trace separation for all critical safety-related logic lines. The system bus distribution supports triple modular redundancy (TMR) 2oo3 architecture integration, routing parallel fault signal loops through pins z26-d26 directly to the EC terminals to prevent localized hardware failures from compromising the safety loop. Galvanic isolation barriers built into the structural trace network minimize cross-talk and supply spikes, enforcing deterministic fail-safe state execution across all occupied module slots.

Frequently Asked Questions

Q: How is backplane communication segregated for system management modules?

A: Slot 21 is structurally dedicated and wired exclusively to handle the communication interface module, isolating configuration data from standard logic processing slots.

Q: What power protection mechanisms are implemented on the 24 VDC distribution bus?

A: The main 24 VDC (EL+) power bus rail is designed with a total capacity of 16 A and must be coupled with an external 16 A fuse or circuit breaker to prevent overcurrent damage to the backplane traces.

Field Installation Guidelines

Mount the 19" subrack into a standard industrial panel or cabinet enclosure using heavy-duty mounting screws to ensure mechanical stability against shock and vibration. Prior to executing any soldering or field connection wiring to the DIN 41612 connectors, completely remove the plug blocks to prevent mechanical stress transmission to the inner PCB assembly layer. Route all field sensor and actuator lines through distinct low-voltage wireways, keeping them physically separated from parallel high-voltage AC lines. Connect the chromated aluminum chassis frame directly to the master safety earth grid at a single point using a low-impedance grounding strap.

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